Nelson weather by month

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

Temperature in Nelson (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
72°F maximum daytime temperature in January in Nelson72
72°F maximum daytime temperature in February in Nelson72
70°F maximum daytime temperature in March in Nelson70
64°F maximum daytime temperature in April in Nelson64
59°F maximum daytime temperature in May in Nelson59
54°F maximum daytime temperature in June in Nelson54
54°F maximum daytime temperature in July in Nelson54
54°F maximum daytime temperature in August in Nelson54
57°F maximum daytime temperature in September in Nelson57
61°F maximum daytime temperature in October in Nelson61
64°F maximum daytime temperature in November in Nelson64
68°F maximum daytime temperature in December in Nelson68
Min temperature (night-time)
54°F minimum night-time temperature in January in Nelson54
54°F minimum night-time temperature in February in Nelson54
52°F minimum night-time temperature in March in Nelson52
46°F minimum night-time temperature in April in Nelson46
41°F minimum night-time temperature in May in Nelson41
36°F minimum night-time temperature in June in Nelson36
34°F minimum night-time temperature in July in Nelson34
37°F minimum night-time temperature in August in Nelson37
41°F minimum night-time temperature in September in Nelson41
45°F minimum night-time temperature in October in Nelson45
48°F minimum night-time temperature in November in Nelson48
52°F minimum night-time temperature in December in Nelson52
Heat & Humidity
No heat & humidity in January in Nelson0
No heat & humidity in February in Nelson0
No heat & humidity in March in Nelson0
No heat & humidity in April in Nelson0
No heat & humidity in May in Nelson0
No heat & humidity in June in Nelson0
No heat & humidity in July in Nelson0
No heat & humidity in August in Nelson0
No heat & humidity in September in Nelson0
No heat & humidity in October in Nelson0
No heat & humidity in November in Nelson0
No heat & humidity in December in Nelson0
Sea temperature
64°F sea temperature in January in Nelson64
66°F sea temperature in February in Nelson66
64°F sea temperature in March in Nelson64
63°F sea temperature in April in Nelson63
59°F sea temperature in May in Nelson59
55°F sea temperature in June in Nelson55
54°F sea temperature in July in Nelson54
52°F sea temperature in August in Nelson52
54°F sea temperature in September in Nelson54
57°F sea temperature in October in Nelson57
61°F sea temperature in November in Nelson61
63°F sea temperature in December in Nelson63

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

Sunshine & UV index in Nelson

  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 Nelson15
14 hours of daylight per day in February in Nelson14
12 hours of daylight per day in March in Nelson12
11 hours of daylight per day in April in Nelson11
10 hours of daylight per day in May in Nelson10
9 hours of daylight per day in June in Nelson9
10 hours of daylight per day in July in Nelson10
11 hours of daylight per day in August in Nelson11
12 hours of daylight per day in September in Nelson12
13 hours of daylight per day in October in Nelson13
14 hours of daylight per day in November in Nelson14
15 hours of daylight per day in December in Nelson15
UV Index (Maximum)
UV (maximum) index 11 (Extreme) in January in Nelson11
UV (maximum) index 10 (Very High) in February in Nelson10
UV (maximum) index 7 (High) in March in Nelson7
UV (maximum) index 4 (Moderate) in April in Nelson4
UV (maximum) index 2 (Low) in May in Nelson2
UV (maximum) index 1 (Low) in June in Nelson1
UV (maximum) index 1 (Low) in July in Nelson1
UV (maximum) index 2 (Low) in August in Nelson2
UV (maximum) index 4 (Moderate) in September in Nelson4
UV (maximum) index 6 (High) in October in Nelson6
UV (maximum) index 8 (Very High) in November in Nelson8
UV (maximum) index 10 (Very High) in December in Nelson10

Rainfall in Nelson

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
9 days with some rainfall in January in Nelson9
8 days with some rainfall in February in Nelson8
10 days with some rainfall in March in Nelson10
9 days with some rainfall in April in Nelson9
10 days with some rainfall in May in Nelson10
10 days with some rainfall in June in Nelson10
11 days with some rainfall in July in Nelson11
12 days with some rainfall in August in Nelson12
13 days with some rainfall in September in Nelson13
12 days with some rainfall in October in Nelson12
12 days with some rainfall in November in Nelson12
11 days with some rainfall in December in Nelson11
Average monthly rainfall (inches)
3.8 inches monthly rainfall in January in Nelson3.8
3.0 inches monthly rainfall in February in Nelson3.0
4.3 inches monthly rainfall in March in Nelson4.3
4.9 inches monthly rainfall in April in Nelson4.9
5.0 inches monthly rainfall in May in Nelson5.0
4.3 inches monthly rainfall in June in Nelson4.3
4.8 inches monthly rainfall in July in Nelson4.8
5.2 inches monthly rainfall in August in Nelson5.2
4.3 inches monthly rainfall in September in Nelson4.3
5.0 inches monthly rainfall in October in Nelson5.0
4.7 inches monthly rainfall in November in Nelson4.7
4.1 inches monthly rainfall in December in Nelson4.1

More about Nelson

Nelson by month

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

Recommended for New Zealand

  • Save up to 15% on 5+ day car hire with Spaceship Rentals
  • Book in advance for pick-ups across New Zealand
  • Travel between 1st Sep 2026 & 1st Feb 2028 (inclusive)

Expires at 23:59 on Sunday 31st May 2026

The climate guide for New Zealand (Nelson) 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 Nelson?

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

Nelson weather in January

Expect daytime maximum temperatures of 72°F in Nelson, New Zealand in January based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 3.8 inches of rainfall in the month.

  • 72°F maximum daytime temperature in January in Nelson72
    72°F max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in January in Nelson9
    9 days with some rainfall
  • 54°F minimum night-time temperature in January in Nelson54
    54°F min night temperature
  • 15 hours of daylight per day in January in Nelson15
    15 hours of daylight per day
  • No heat & humidity in January in Nelson0
    No heat & humidity
  • 3.8 inches monthly rainfall in January in Nelson3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in Nelson11
    11 (Extreme) UV index
  • 64°F sea temperature in January in Nelson64
    64°F sea temperature

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Nelson weather in February

Expect daytime maximum temperatures of 72°F in Nelson, New Zealand in February based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 3.0 inches of rainfall in the month.

  • 72°F maximum daytime temperature in February in Nelson72
    72°F max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in February in Nelson8
    8 days with some rainfall
  • 54°F minimum night-time temperature in February in Nelson54
    54°F min night temperature
  • 14 hours of daylight per day in February in Nelson14
    14 hours of daylight per day
  • No heat & humidity in February in Nelson0
    No heat & humidity
  • 3.0 inches monthly rainfall in February in Nelson3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in February in Nelson10
    10 (Very High) UV index
  • 66°F sea temperature in February in Nelson66
    66°F sea temperature

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Nelson weather in March

Expect daytime maximum temperatures of 70°F in Nelson, New Zealand in March based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 4.3 inches of rainfall in the month.

  • 70°F maximum daytime temperature in March in Nelson70
    70°F max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in March in Nelson10
    10 days with some rainfall
  • 52°F minimum night-time temperature in March in Nelson52
    52°F min night temperature
  • 12 hours of daylight per day in March in Nelson12
    12 hours of daylight per day
  • No heat & humidity in March in Nelson0
    No heat & humidity
  • 4.3 inches monthly rainfall in March in Nelson4.3
    4.3 inches of monthly rainfall
  • UV (maximum) index 7 (High) in March in Nelson7
    7 (High) UV index
  • 64°F sea temperature in March in Nelson64
    64°F sea temperature

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Nelson weather in April

Expect daytime maximum temperatures of 64°F in Nelson, New Zealand in April based on long-term weather averages. There are 6 hours of sunshine per day on average with typically 4.9 inches of rainfall in the month.

  • 64°F maximum daytime temperature in April in Nelson64
    64°F max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in April in Nelson9
    9 days with some rainfall
  • 46°F minimum night-time temperature in April in Nelson46
    46°F min night temperature
  • 11 hours of daylight per day in April in Nelson11
    11 hours of daylight per day
  • No heat & humidity in April in Nelson0
    No heat & humidity
  • 4.9 inches monthly rainfall in April in Nelson4.9
    4.9 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in April in Nelson4
    4 (Moderate) UV index
  • 63°F sea temperature in April in Nelson63
    63°F sea temperature

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Nelson weather in May

Expect daytime maximum temperatures of 59°F in Nelson, New Zealand in May based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 5.0 inches of rainfall in the month.

  • 59°F maximum daytime temperature in May in Nelson59
    59°F max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in May in Nelson10
    10 days with some rainfall
  • 41°F minimum night-time temperature in May in Nelson41
    41°F min night temperature
  • 10 hours of daylight per day in May in Nelson10
    10 hours of daylight per day
  • No heat & humidity in May in Nelson0
    No heat & humidity
  • 5.0 inches monthly rainfall in May in Nelson5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in May in Nelson2
    2 (Low) UV index
  • 59°F sea temperature in May in Nelson59
    59°F sea temperature

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Nelson weather in June

Expect daytime maximum temperatures of 54°F in Nelson, New Zealand in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 4.3 inches of rainfall in the month.

  • 54°F maximum daytime temperature in June in Nelson54
    54°F max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in June in Nelson10
    10 days with some rainfall
  • 36°F minimum night-time temperature in June in Nelson36
    36°F min night temperature
  • 9 hours of daylight per day in June in Nelson9
    9 hours of daylight per day
  • No heat & humidity in June in Nelson0
    No heat & humidity
  • 4.3 inches monthly rainfall in June in Nelson4.3
    4.3 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in June in Nelson1
    1 (Low) UV index
  • 55°F sea temperature in June in Nelson55
    55°F sea temperature

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Nelson weather in July

Expect daytime maximum temperatures of 54°F in Nelson, New Zealand in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 11 days with some rainfall and typically 4.8 inches of rainfall in the month.

  • 54°F maximum daytime temperature in July in Nelson54
    54°F max day temperature
  • 5 hours of sunshine per day
  • 11 days with some rainfall in July in Nelson11
    11 days with some rainfall
  • 34°F minimum night-time temperature in July in Nelson34
    34°F min night temperature
  • 10 hours of daylight per day in July in Nelson10
    10 hours of daylight per day
  • No heat & humidity in July in Nelson0
    No heat & humidity
  • 4.8 inches monthly rainfall in July in Nelson4.8
    4.8 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in July in Nelson1
    1 (Low) UV index
  • 54°F sea temperature in July in Nelson54
    54°F sea temperature

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Nelson weather in August

Expect daytime maximum temperatures of 54°F in Nelson, New Zealand in August based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 5.2 inches of rainfall in the month.

  • 54°F maximum daytime temperature in August in Nelson54
    54°F max day temperature
  • 5 hours of sunshine per day
  • 12 days with some rainfall in August in Nelson12
    12 days with some rainfall
  • 37°F minimum night-time temperature in August in Nelson37
    37°F min night temperature
  • 11 hours of daylight per day in August in Nelson11
    11 hours of daylight per day
  • No heat & humidity in August in Nelson0
    No heat & humidity
  • 5.2 inches monthly rainfall in August in Nelson5.2
    5.2 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in August in Nelson2
    2 (Low) UV index
  • 52°F sea temperature in August in Nelson52
    52°F sea temperature

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Nelson weather in September

Expect daytime maximum temperatures of 57°F in Nelson, New Zealand in September based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 4.3 inches of rainfall in the month.

  • 57°F maximum daytime temperature in September in Nelson57
    57°F max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in September in Nelson13
    13 days with some rainfall
  • 41°F minimum night-time temperature in September in Nelson41
    41°F min night temperature
  • 12 hours of daylight per day in September in Nelson12
    12 hours of daylight per day
  • No heat & humidity in September in Nelson0
    No heat & humidity
  • 4.3 inches monthly rainfall in September in Nelson4.3
    4.3 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Nelson4
    4 (Moderate) UV index
  • 54°F sea temperature in September in Nelson54
    54°F sea temperature

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Nelson weather in October

Expect daytime maximum temperatures of 61°F in Nelson, New Zealand in October based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 5.0 inches of rainfall in the month.

  • 61°F maximum daytime temperature in October in Nelson61
    61°F max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in October in Nelson12
    12 days with some rainfall
  • 45°F minimum night-time temperature in October in Nelson45
    45°F min night temperature
  • 13 hours of daylight per day in October in Nelson13
    13 hours of daylight per day
  • No heat & humidity in October in Nelson0
    No heat & humidity
  • 5.0 inches monthly rainfall in October in Nelson5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in October in Nelson6
    6 (High) UV index
  • 57°F sea temperature in October in Nelson57
    57°F sea temperature

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Nelson weather in November

Expect daytime maximum temperatures of 64°F in Nelson, New Zealand in November based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 4.7 inches of rainfall in the month.

  • 64°F maximum daytime temperature in November in Nelson64
    64°F max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in November in Nelson12
    12 days with some rainfall
  • 48°F minimum night-time temperature in November in Nelson48
    48°F min night temperature
  • 14 hours of daylight per day in November in Nelson14
    14 hours of daylight per day
  • No heat & humidity in November in Nelson0
    No heat & humidity
  • 4.7 inches monthly rainfall in November in Nelson4.7
    4.7 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in November in Nelson8
    8 (Very High) UV index
  • 61°F sea temperature in November in Nelson61
    61°F sea temperature

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Nelson weather in December

Expect daytime maximum temperatures of 68°F in Nelson, New Zealand in December based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 4.1 inches of rainfall in the month.

  • 68°F maximum daytime temperature in December in Nelson68
    68°F max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in December in Nelson11
    11 days with some rainfall
  • 52°F minimum night-time temperature in December in Nelson52
    52°F min night temperature
  • 15 hours of daylight per day in December in Nelson15
    15 hours of daylight per day
  • No heat & humidity in December in Nelson0
    No heat & humidity
  • 4.1 inches monthly rainfall in December in Nelson4.1
    4.1 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in December in Nelson10
    10 (Very High) UV index
  • 63°F sea temperature in December in Nelson63
    63°F sea temperature

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More about Nelson

Nelson by month

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

Recommended for New Zealand

  • Save up to 15% on 5+ day car hire with Spaceship Rentals
  • Book in advance for pick-ups across New Zealand
  • Travel between 1st Sep 2026 & 1st Feb 2028 (inclusive)

Expires at 23:59 on Sunday 31st May 2026

The climate guide for New Zealand (Nelson) 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.

Compare Nelson weather with the UK

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

Maximum daytime temperature (°F)

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

Metric (°C)  |  Imperial (°F)

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