New Plymouth weather by month

Check out New Plymouth weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in New Plymouth (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
70°F maximum daytime temperature in January in New Plymouth70
72°F maximum daytime temperature in February in New Plymouth72
70°F maximum daytime temperature in March in New Plymouth70
64°F maximum daytime temperature in April in New Plymouth64
59°F maximum daytime temperature in May in New Plymouth59
55°F maximum daytime temperature in June in New Plymouth55
55°F maximum daytime temperature in July in New Plymouth55
55°F maximum daytime temperature in August in New Plymouth55
57°F maximum daytime temperature in September in New Plymouth57
61°F maximum daytime temperature in October in New Plymouth61
64°F maximum daytime temperature in November in New Plymouth64
68°F maximum daytime temperature in December in New Plymouth68
Min temperature (night-time)
55°F minimum night-time temperature in January in New Plymouth55
55°F minimum night-time temperature in February in New Plymouth55
54°F minimum night-time temperature in March in New Plymouth54
50°F minimum night-time temperature in April in New Plymouth50
46°F minimum night-time temperature in May in New Plymouth46
43°F minimum night-time temperature in June in New Plymouth43
41°F minimum night-time temperature in July in New Plymouth41
43°F minimum night-time temperature in August in New Plymouth43
45°F minimum night-time temperature in September in New Plymouth45
46°F minimum night-time temperature in October in New Plymouth46
50°F minimum night-time temperature in November in New Plymouth50
54°F minimum night-time temperature in December in New Plymouth54
Heat & Humidity
No heat & humidity in January in New Plymouth0
No heat & humidity in February in New Plymouth0
No heat & humidity in March in New Plymouth0
No heat & humidity in April in New Plymouth0
No heat & humidity in May in New Plymouth0
No heat & humidity in June in New Plymouth0
No heat & humidity in July in New Plymouth0
No heat & humidity in August in New Plymouth0
No heat & humidity in September in New Plymouth0
No heat & humidity in October in New Plymouth0
No heat & humidity in November in New Plymouth0
No heat & humidity in December in New Plymouth0
Sea temperature
66°F sea temperature in January in New Plymouth66
68°F sea temperature in February in New Plymouth68
66°F sea temperature in March in New Plymouth66
64°F sea temperature in April in New Plymouth64
63°F sea temperature in May in New Plymouth63
59°F sea temperature in June in New Plymouth59
57°F sea temperature in July in New Plymouth57
55°F sea temperature in August in New Plymouth55
57°F sea temperature in September in New Plymouth57
57°F sea temperature in October in New Plymouth57
59°F sea temperature in November in New Plymouth59
63°F sea temperature in December in New Plymouth63

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & UV index in New Plymouth

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
15 hours of daylight per day in January in New Plymouth15
14 hours of daylight per day in February in New Plymouth14
12 hours of daylight per day in March in New Plymouth12
11 hours of daylight per day in April in New Plymouth11
10 hours of daylight per day in May in New Plymouth10
9 hours of daylight per day in June in New Plymouth9
10 hours of daylight per day in July in New Plymouth10
11 hours of daylight per day in August in New Plymouth11
12 hours of daylight per day in September in New Plymouth12
13 hours of daylight per day in October in New Plymouth13
14 hours of daylight per day in November in New Plymouth14
15 hours of daylight per day in December in New Plymouth15
UV Index (Maximum)
UV (maximum) index 11 (Extreme) in January in New Plymouth11
UV (maximum) index 10 (Very High) in February in New Plymouth10
UV (maximum) index 7 (High) in March in New Plymouth7
UV (maximum) index 4 (Moderate) in April in New Plymouth4
UV (maximum) index 2 (Low) in May in New Plymouth2
UV (maximum) index 2 (Low) in June in New Plymouth2
UV (maximum) index 2 (Low) in July in New Plymouth2
UV (maximum) index 3 (Moderate) in August in New Plymouth3
UV (maximum) index 4 (Moderate) in September in New Plymouth4
UV (maximum) index 6 (High) in October in New Plymouth6
UV (maximum) index 9 (Very High) in November in New Plymouth9
UV (maximum) index 11 (Extreme) in December in New Plymouth11

Rainfall in New Plymouth

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
12 days with some rainfall in January in New Plymouth12
10 days with some rainfall in February in New Plymouth10
12 days with some rainfall in March in New Plymouth12
12 days with some rainfall in April in New Plymouth12
15 days with some rainfall in May in New Plymouth15
16 days with some rainfall in June in New Plymouth16
18 days with some rainfall in July in New Plymouth18
17 days with some rainfall in August in New Plymouth17
16 days with some rainfall in September in New Plymouth16
17 days with some rainfall in October in New Plymouth17
14 days with some rainfall in November in New Plymouth14
13 days with some rainfall in December in New Plymouth13
Average monthly rainfall (inches)
5.0 inches monthly rainfall in January in New Plymouth5.0
4.3 inches monthly rainfall in February in New Plymouth4.3
5.1 inches monthly rainfall in March in New Plymouth5.1
5.2 inches monthly rainfall in April in New Plymouth5.2
6.3 inches monthly rainfall in May in New Plymouth6.3
6.9 inches monthly rainfall in June in New Plymouth6.9
7.1 inches monthly rainfall in July in New Plymouth7.1
6.3 inches monthly rainfall in August in New Plymouth6.3
5.6 inches monthly rainfall in September in New Plymouth5.6
5.7 inches monthly rainfall in October in New Plymouth5.7
5.5 inches monthly rainfall in November in New Plymouth5.5
5.2 inches monthly rainfall in December in New Plymouth5.2

More about New Plymouth

New Plymouth by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for New Zealand

  • Book Spaceships Rental campervans for New Zealand
  • Explore latest discount offers & deals for 2025/2026
  • Offers include early bird discounts & last minute deals

The climate guide for New Zealand (New Plymouth) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in New Plymouth?

New Plymouth has a temperate climate with warm summers and some rainfall in all months.

New Plymouth weather in January

Expect daytime maximum temperatures of 70°F in New Plymouth, New Zealand in January based on long-term weather averages. There are 8 hours of sunshine per day on average with 12 days with some rainfall and typically 5.0 inches of rainfall in the month.

  • 70°F maximum daytime temperature in January in New Plymouth70
    70°F max day temperature
  • 8 hours of sunshine per day
  • 12 days with some rainfall in January in New Plymouth12
    12 days with some rainfall
  • 55°F minimum night-time temperature in January in New Plymouth55
    55°F min night temperature
  • 15 hours of daylight per day in January in New Plymouth15
    15 hours of daylight per day
  • No heat & humidity in January in New Plymouth0
    No heat & humidity
  • 5.0 inches monthly rainfall in January in New Plymouth5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in New Plymouth11
    11 (Extreme) UV index
  • 66°F sea temperature in January in New Plymouth66
    66°F sea temperature

Back to months

New Plymouth weather in February

Expect daytime maximum temperatures of 72°F in New Plymouth, New Zealand in February based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 4.3 inches of rainfall in the month.

  • 72°F maximum daytime temperature in February in New Plymouth72
    72°F max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in February in New Plymouth10
    10 days with some rainfall
  • 55°F minimum night-time temperature in February in New Plymouth55
    55°F min night temperature
  • 14 hours of daylight per day in February in New Plymouth14
    14 hours of daylight per day
  • No heat & humidity in February in New Plymouth0
    No heat & humidity
  • 4.3 inches monthly rainfall in February in New Plymouth4.3
    4.3 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in February in New Plymouth10
    10 (Very High) UV index
  • 68°F sea temperature in February in New Plymouth68
    68°F sea temperature

Back to months

New Plymouth weather in March

Expect daytime maximum temperatures of 70°F in New Plymouth, New Zealand in March based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 5.1 inches of rainfall in the month.

  • 70°F maximum daytime temperature in March in New Plymouth70
    70°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in March in New Plymouth12
    12 days with some rainfall
  • 54°F minimum night-time temperature in March in New Plymouth54
    54°F min night temperature
  • 12 hours of daylight per day in March in New Plymouth12
    12 hours of daylight per day
  • No heat & humidity in March in New Plymouth0
    No heat & humidity
  • 5.1 inches monthly rainfall in March in New Plymouth5.1
    5.1 inches of monthly rainfall
  • UV (maximum) index 7 (High) in March in New Plymouth7
    7 (High) UV index
  • 66°F sea temperature in March in New Plymouth66
    66°F sea temperature

Back to months

New Plymouth weather in April

Expect daytime maximum temperatures of 64°F in New Plymouth, New Zealand in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 5.2 inches of rainfall in the month.

  • 64°F maximum daytime temperature in April in New Plymouth64
    64°F max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in April in New Plymouth12
    12 days with some rainfall
  • 50°F minimum night-time temperature in April in New Plymouth50
    50°F min night temperature
  • 11 hours of daylight per day in April in New Plymouth11
    11 hours of daylight per day
  • No heat & humidity in April in New Plymouth0
    No heat & humidity
  • 5.2 inches monthly rainfall in April in New Plymouth5.2
    5.2 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in New Plymouth4
    4 (Moderate) UV index
  • 64°F sea temperature in April in New Plymouth64
    64°F sea temperature

Back to months

New Plymouth weather in May

Expect daytime maximum temperatures of 59°F in New Plymouth, New Zealand in May based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 6.3 inches of rainfall in the month.

  • 59°F maximum daytime temperature in May in New Plymouth59
    59°F max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in May in New Plymouth15
    15 days with some rainfall
  • 46°F minimum night-time temperature in May in New Plymouth46
    46°F min night temperature
  • 10 hours of daylight per day in May in New Plymouth10
    10 hours of daylight per day
  • No heat & humidity in May in New Plymouth0
    No heat & humidity
  • 6.3 inches monthly rainfall in May in New Plymouth6.3
    6.3 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in May in New Plymouth2
    2 (Low) UV index
  • 63°F sea temperature in May in New Plymouth63
    63°F sea temperature

Back to months

New Plymouth weather in June

Expect daytime maximum temperatures of 55°F in New Plymouth, New Zealand in June based on long-term weather averages. There are 4 hours of sunshine per day on average with 16 days with some rainfall and typically 6.9 inches of rainfall in the month.

  • 55°F maximum daytime temperature in June in New Plymouth55
    55°F max day temperature
  • 4 hours of sunshine per day
  • 16 days with some rainfall in June in New Plymouth16
    16 days with some rainfall
  • 43°F minimum night-time temperature in June in New Plymouth43
    43°F min night temperature
  • 9 hours of daylight per day in June in New Plymouth9
    9 hours of daylight per day
  • No heat & humidity in June in New Plymouth0
    No heat & humidity
  • 6.9 inches monthly rainfall in June in New Plymouth6.9
    6.9 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in June in New Plymouth2
    2 (Low) UV index
  • 59°F sea temperature in June in New Plymouth59
    59°F sea temperature

Back to months

New Plymouth weather in July

Expect daytime maximum temperatures of 55°F in New Plymouth, New Zealand in July based on long-term weather averages. There are 4 hours of sunshine per day on average with 18 days with some rainfall and typically 7.1 inches of rainfall in the month.

  • 55°F maximum daytime temperature in July in New Plymouth55
    55°F max day temperature
  • 4 hours of sunshine per day
  • 18 days with some rainfall in July in New Plymouth18
    18 days with some rainfall
  • 41°F minimum night-time temperature in July in New Plymouth41
    41°F min night temperature
  • 10 hours of daylight per day in July in New Plymouth10
    10 hours of daylight per day
  • No heat & humidity in July in New Plymouth0
    No heat & humidity
  • 7.1 inches monthly rainfall in July in New Plymouth7.1
    7.1 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in July in New Plymouth2
    2 (Low) UV index
  • 57°F sea temperature in July in New Plymouth57
    57°F sea temperature

Back to months

New Plymouth weather in August

Expect daytime maximum temperatures of 55°F in New Plymouth, New Zealand in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 17 days with some rainfall and typically 6.3 inches of rainfall in the month.

  • 55°F maximum daytime temperature in August in New Plymouth55
    55°F max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in August in New Plymouth17
    17 days with some rainfall
  • 43°F minimum night-time temperature in August in New Plymouth43
    43°F min night temperature
  • 11 hours of daylight per day in August in New Plymouth11
    11 hours of daylight per day
  • No heat & humidity in August in New Plymouth0
    No heat & humidity
  • 6.3 inches monthly rainfall in August in New Plymouth6.3
    6.3 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in August in New Plymouth3
    3 (Moderate) UV index
  • 55°F sea temperature in August in New Plymouth55
    55°F sea temperature

Back to months

New Plymouth weather in September

Expect daytime maximum temperatures of 57°F in New Plymouth, New Zealand in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 16 days with some rainfall and typically 5.6 inches of rainfall in the month.

  • 57°F maximum daytime temperature in September in New Plymouth57
    57°F max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in September in New Plymouth16
    16 days with some rainfall
  • 45°F minimum night-time temperature in September in New Plymouth45
    45°F min night temperature
  • 12 hours of daylight per day in September in New Plymouth12
    12 hours of daylight per day
  • No heat & humidity in September in New Plymouth0
    No heat & humidity
  • 5.6 inches monthly rainfall in September in New Plymouth5.6
    5.6 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in New Plymouth4
    4 (Moderate) UV index
  • 57°F sea temperature in September in New Plymouth57
    57°F sea temperature

Back to months

New Plymouth weather in October

Expect daytime maximum temperatures of 61°F in New Plymouth, New Zealand in October based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 5.7 inches of rainfall in the month.

  • 61°F maximum daytime temperature in October in New Plymouth61
    61°F max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in October in New Plymouth17
    17 days with some rainfall
  • 46°F minimum night-time temperature in October in New Plymouth46
    46°F min night temperature
  • 13 hours of daylight per day in October in New Plymouth13
    13 hours of daylight per day
  • No heat & humidity in October in New Plymouth0
    No heat & humidity
  • 5.7 inches monthly rainfall in October in New Plymouth5.7
    5.7 inches of monthly rainfall
  • UV (maximum) index 6 (High) in October in New Plymouth6
    6 (High) UV index
  • 57°F sea temperature in October in New Plymouth57
    57°F sea temperature

Back to months

New Plymouth weather in November

Expect daytime maximum temperatures of 64°F in New Plymouth, New Zealand in November based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 5.5 inches of rainfall in the month.

  • 64°F maximum daytime temperature in November in New Plymouth64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in November in New Plymouth14
    14 days with some rainfall
  • 50°F minimum night-time temperature in November in New Plymouth50
    50°F min night temperature
  • 14 hours of daylight per day in November in New Plymouth14
    14 hours of daylight per day
  • No heat & humidity in November in New Plymouth0
    No heat & humidity
  • 5.5 inches monthly rainfall in November in New Plymouth5.5
    5.5 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in November in New Plymouth9
    9 (Very High) UV index
  • 59°F sea temperature in November in New Plymouth59
    59°F sea temperature

Back to months

New Plymouth weather in December

Expect daytime maximum temperatures of 68°F in New Plymouth, New Zealand in December based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 5.2 inches of rainfall in the month.

  • 68°F maximum daytime temperature in December in New Plymouth68
    68°F max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in December in New Plymouth13
    13 days with some rainfall
  • 54°F minimum night-time temperature in December in New Plymouth54
    54°F min night temperature
  • 15 hours of daylight per day in December in New Plymouth15
    15 hours of daylight per day
  • No heat & humidity in December in New Plymouth0
    No heat & humidity
  • 5.2 inches monthly rainfall in December in New Plymouth5.2
    5.2 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in December in New Plymouth11
    11 (Extreme) UV index
  • 63°F sea temperature in December in New Plymouth63
    63°F sea temperature

Back to months

More about New Plymouth

New Plymouth by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for New Zealand

  • Book Spaceships Rental campervans for New Zealand
  • Explore latest discount offers & deals for 2025/2026
  • Offers include early bird discounts & last minute deals

The climate guide for New Zealand (New Plymouth) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Tropical storm risk: New Plymouth, New Zealand cyclone season

% of month affected by tropical storms
0
0
<1%
0
0
0
0
0
0
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare New Plymouth weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for New Plymouth, New Zealand and the UK (London).

Maximum daytime temperature (°F)

New Plymouth, New Zealand
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

Compare more weather >>

Back to top

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^