Niigata weather by month

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

Temperature in Niigata (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
41°F maximum daytime temperature in January in Niigata41
41°F maximum daytime temperature in February in Niigata41
48°F maximum daytime temperature in March in Niigata48
61°F maximum daytime temperature in April in Niigata61
70°F maximum daytime temperature in May in Niigata70
75°F maximum daytime temperature in June in Niigata75
82°F maximum daytime temperature in July in Niigata82
88°F maximum daytime temperature in August in Niigata88
79°F maximum daytime temperature in September in Niigata79
68°F maximum daytime temperature in October in Niigata68
57°F maximum daytime temperature in November in Niigata57
46°F maximum daytime temperature in December in Niigata46
Min temperature (night-time)
30°F minimum night-time temperature in January in Niigata30
30°F minimum night-time temperature in February in Niigata30
34°F minimum night-time temperature in March in Niigata34
45°F minimum night-time temperature in April in Niigata45
54°F minimum night-time temperature in May in Niigata54
63°F minimum night-time temperature in June in Niigata63
70°F minimum night-time temperature in July in Niigata70
73°F minimum night-time temperature in August in Niigata73
64°F minimum night-time temperature in September in Niigata64
54°F minimum night-time temperature in October in Niigata54
43°F minimum night-time temperature in November in Niigata43
36°F minimum night-time temperature in December in Niigata36
Heat & Humidity
No heat & humidity in January in Niigata0
No heat & humidity in February in Niigata0
No heat & humidity in March in Niigata0
No heat & humidity in April in Niigata0
No heat & humidity in May in Niigata0
No heat & humidity in June in Niigata0
Moderate heat & humidity in July in NiigataM
High heat & humidity in August in NiigataH
Low heat & humidity in September in NiigataL
No heat & humidity in October in Niigata0
No heat & humidity in November in Niigata0
No heat & humidity in December in Niigata0
Sea temperature
54°F sea temperature in January in Niigata54
50°F sea temperature in February in Niigata50
48°F sea temperature in March in Niigata48
50°F sea temperature in April in Niigata50
57°F sea temperature in May in Niigata57
66°F sea temperature in June in Niigata66
72°F sea temperature in July in Niigata72
79°F sea temperature in August in Niigata79
77°F sea temperature in September in Niigata77
70°F sea temperature in October in Niigata70
64°F sea temperature in November in Niigata64
59°F sea temperature in December in Niigata59

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

Sunshine & UV index in Niigata

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Niigata10
11 hours of daylight per day in February in Niigata11
12 hours of daylight per day in March in Niigata12
13 hours of daylight per day in April in Niigata13
14 hours of daylight per day in May in Niigata14
15 hours of daylight per day in June in Niigata15
14 hours of daylight per day in July in Niigata14
14 hours of daylight per day in August in Niigata14
12 hours of daylight per day in September in Niigata12
11 hours of daylight per day in October in Niigata11
10 hours of daylight per day in November in Niigata10
10 hours of daylight per day in December in Niigata10
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Niigata2
UV (maximum) index 3 (Moderate) in February in Niigata3
UV (maximum) index 5 (Moderate) in March in Niigata5
UV (maximum) index 7 (High) in April in Niigata7
UV (maximum) index 8 (Very High) in May in Niigata8
UV (maximum) index 9 (Very High) in June in Niigata9
UV (maximum) index 10 (Very High) in July in Niigata10
UV (maximum) index 9 (Very High) in August in Niigata9
UV (maximum) index 7 (High) in September in Niigata7
UV (maximum) index 5 (Moderate) in October in Niigata5
UV (maximum) index 3 (Moderate) in November in Niigata3
UV (maximum) index 2 (Low) in December in Niigata2

Rainfall in Niigata

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
29 days with some rainfall in January in Niigata29
26 days with some rainfall in February in Niigata26
25 days with some rainfall in March in Niigata25
17 days with some rainfall in April in Niigata17
17 days with some rainfall in May in Niigata17
17 days with some rainfall in June in Niigata17
18 days with some rainfall in July in Niigata18
16 days with some rainfall in August in Niigata16
19 days with some rainfall in September in Niigata19
20 days with some rainfall in October in Niigata20
23 days with some rainfall in November in Niigata23
28 days with some rainfall in December in Niigata28
Average monthly rainfall (inches)
7.4 inches monthly rainfall in January in Niigata7.4
5.0 inches monthly rainfall in February in Niigata5.0
4.0 inches monthly rainfall in March in Niigata4.0
3.6 inches monthly rainfall in April in Niigata3.6
3.8 inches monthly rainfall in May in Niigata3.8
4.6 inches monthly rainfall in June in Niigata4.6
7.1 inches monthly rainfall in July in Niigata7.1
5.3 inches monthly rainfall in August in Niigata5.3
6.2 inches monthly rainfall in September in Niigata6.2
6.1 inches monthly rainfall in October in Niigata6.1
7.6 inches monthly rainfall in November in Niigata7.6
8.5 inches monthly rainfall in December in Niigata8.5

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Niigata by month

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

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The climate guide for Japan (Niigata) 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 Niigata?

Niigata has a temperate climate with hot summers and some rainfall in all months.

Niigata weather in January

Expect daytime maximum temperatures of 41°F in Niigata, Japan in January based on long-term weather averages. There are 2 hours of sunshine per day on average with 29 days with some rainfall and typically 7.4 inches of rainfall in the month.

  • 41°F maximum daytime temperature in January in Niigata41
    41°F max day temperature
  • 2 hours of sunshine per day
  • 29 days with some rainfall in January in Niigata29
    29 days with some rainfall
  • 30°F minimum night-time temperature in January in Niigata30
    30°F min night temperature
  • 10 hours of daylight per day in January in Niigata10
    10 hours of daylight per day
  • No heat & humidity in January in Niigata0
    No heat & humidity
  • 7.4 inches monthly rainfall in January in Niigata7.4
    7.4 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Niigata2
    2 (Low) UV index
  • 54°F sea temperature in January in Niigata54
    54°F sea temperature

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Niigata weather in February

Expect daytime maximum temperatures of 41°F in Niigata, Japan in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 26 days with some rainfall and typically 5.0 inches of rainfall in the month.

  • 41°F maximum daytime temperature in February in Niigata41
    41°F max day temperature
  • 3 hours of sunshine per day
  • 26 days with some rainfall in February in Niigata26
    26 days with some rainfall
  • 30°F minimum night-time temperature in February in Niigata30
    30°F min night temperature
  • 11 hours of daylight per day in February in Niigata11
    11 hours of daylight per day
  • No heat & humidity in February in Niigata0
    No heat & humidity
  • 5.0 inches monthly rainfall in February in Niigata5.0
    5.0 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in February in Niigata3
    3 (Moderate) UV index
  • 50°F sea temperature in February in Niigata50
    50°F sea temperature

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Niigata weather in March

Expect daytime maximum temperatures of 48°F in Niigata, Japan in March based on long-term weather averages. There are 5 hours of sunshine per day on average with 25 days with some rainfall and typically 4.0 inches of rainfall in the month.

  • 48°F maximum daytime temperature in March in Niigata48
    48°F max day temperature
  • 5 hours of sunshine per day
  • 25 days with some rainfall in March in Niigata25
    25 days with some rainfall
  • 34°F minimum night-time temperature in March in Niigata34
    34°F min night temperature
  • 12 hours of daylight per day in March in Niigata12
    12 hours of daylight per day
  • No heat & humidity in March in Niigata0
    No heat & humidity
  • 4.0 inches monthly rainfall in March in Niigata4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in March in Niigata5
    5 (Moderate) UV index
  • 48°F sea temperature in March in Niigata48
    48°F sea temperature

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Niigata weather in April

Expect daytime maximum temperatures of 61°F in Niigata, Japan in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 3.6 inches of rainfall in the month.

  • 61°F maximum daytime temperature in April in Niigata61
    61°F max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in April in Niigata17
    17 days with some rainfall
  • 45°F minimum night-time temperature in April in Niigata45
    45°F min night temperature
  • 13 hours of daylight per day in April in Niigata13
    13 hours of daylight per day
  • No heat & humidity in April in Niigata0
    No heat & humidity
  • 3.6 inches monthly rainfall in April in Niigata3.6
    3.6 inches of monthly rainfall
  • UV (maximum) index 7 (High) in April in Niigata7
    7 (High) UV index
  • 50°F sea temperature in April in Niigata50
    50°F sea temperature

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Niigata weather in May

Expect daytime maximum temperatures of 70°F in Niigata, Japan in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 3.8 inches of rainfall in the month.

  • 70°F maximum daytime temperature in May in Niigata70
    70°F max day temperature
  • 7 hours of sunshine per day
  • 17 days with some rainfall in May in Niigata17
    17 days with some rainfall
  • 54°F minimum night-time temperature in May in Niigata54
    54°F min night temperature
  • 14 hours of daylight per day in May in Niigata14
    14 hours of daylight per day
  • No heat & humidity in May in Niigata0
    No heat & humidity
  • 3.8 inches monthly rainfall in May in Niigata3.8
    3.8 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Niigata8
    8 (Very High) UV index
  • 57°F sea temperature in May in Niigata57
    57°F sea temperature

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Niigata weather in June

Expect daytime maximum temperatures of 75°F in Niigata, Japan in June based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 4.6 inches of rainfall in the month.

  • 75°F maximum daytime temperature in June in Niigata75
    75°F max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in June in Niigata17
    17 days with some rainfall
  • 63°F minimum night-time temperature in June in Niigata63
    63°F min night temperature
  • 15 hours of daylight per day in June in Niigata15
    15 hours of daylight per day
  • No heat & humidity in June in Niigata0
    No heat & humidity
  • 4.6 inches monthly rainfall in June in Niigata4.6
    4.6 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Niigata9
    9 (Very High) UV index
  • 66°F sea temperature in June in Niigata66
    66°F sea temperature

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Niigata weather in July

Expect daytime maximum temperatures of 82°F in Niigata, Japan in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 7.1 inches of rainfall in the month.

  • 82°F maximum daytime temperature in July in Niigata82
    82°F max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in July in Niigata18
    18 days with some rainfall
  • 70°F minimum night-time temperature in July in Niigata70
    70°F min night temperature
  • 14 hours of daylight per day in July in Niigata14
    14 hours of daylight per day
  • Moderate heat & humidity in July in NiigataM
    Moderate heat & humidity
  • 7.1 inches monthly rainfall in July in Niigata7.1
    7.1 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Niigata10
    10 (Very High) UV index
  • 72°F sea temperature in July in Niigata72
    72°F sea temperature

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Niigata weather in August

Expect daytime maximum temperatures of 88°F in Niigata, Japan in August and high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 16 days with some rainfall and typically 5.3 inches of rainfall in the month.

  • 88°F maximum daytime temperature in August in Niigata88
    88°F max day temperature
  • 7 hours of sunshine per day
  • 16 days with some rainfall in August in Niigata16
    16 days with some rainfall
  • 73°F minimum night-time temperature in August in Niigata73
    73°F min night temperature
  • 14 hours of daylight per day in August in Niigata14
    14 hours of daylight per day
  • High heat & humidity in August in NiigataH
    High heat & humidity
  • 5.3 inches monthly rainfall in August in Niigata5.3
    5.3 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Niigata9
    9 (Very High) UV index
  • 79°F sea temperature in August in Niigata79
    79°F sea temperature

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Niigata weather in September

Expect daytime maximum temperatures of 79°F in Niigata, Japan in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 6.2 inches of rainfall in the month.

  • 79°F maximum daytime temperature in September in Niigata79
    79°F max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in September in Niigata19
    19 days with some rainfall
  • 64°F minimum night-time temperature in September in Niigata64
    64°F min night temperature
  • 12 hours of daylight per day in September in Niigata12
    12 hours of daylight per day
  • Low heat & humidity in September in NiigataL
    Low heat & humidity
  • 6.2 inches monthly rainfall in September in Niigata6.2
    6.2 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Niigata7
    7 (High) UV index
  • 77°F sea temperature in September in Niigata77
    77°F sea temperature

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Niigata weather in October

Expect daytime maximum temperatures of 68°F in Niigata, Japan in October based on long-term weather averages. There are 5 hours of sunshine per day on average with 20 days with some rainfall and typically 6.1 inches of rainfall in the month.

  • 68°F maximum daytime temperature in October in Niigata68
    68°F max day temperature
  • 5 hours of sunshine per day
  • 20 days with some rainfall in October in Niigata20
    20 days with some rainfall
  • 54°F minimum night-time temperature in October in Niigata54
    54°F min night temperature
  • 11 hours of daylight per day in October in Niigata11
    11 hours of daylight per day
  • No heat & humidity in October in Niigata0
    No heat & humidity
  • 6.1 inches monthly rainfall in October in Niigata6.1
    6.1 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in October in Niigata5
    5 (Moderate) UV index
  • 70°F sea temperature in October in Niigata70
    70°F sea temperature

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Niigata weather in November

Expect daytime maximum temperatures of 57°F in Niigata, Japan in November based on long-term weather averages. There are 3 hours of sunshine per day on average with 23 days with some rainfall and typically 7.6 inches of rainfall in the month.

  • 57°F maximum daytime temperature in November in Niigata57
    57°F max day temperature
  • 3 hours of sunshine per day
  • 23 days with some rainfall in November in Niigata23
    23 days with some rainfall
  • 43°F minimum night-time temperature in November in Niigata43
    43°F min night temperature
  • 10 hours of daylight per day in November in Niigata10
    10 hours of daylight per day
  • No heat & humidity in November in Niigata0
    No heat & humidity
  • 7.6 inches monthly rainfall in November in Niigata7.6
    7.6 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in November in Niigata3
    3 (Moderate) UV index
  • 64°F sea temperature in November in Niigata64
    64°F sea temperature

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Niigata weather in December

Expect daytime maximum temperatures of 46°F in Niigata, Japan in December based on long-term weather averages. There are 2 hours of sunshine per day on average with 28 days with some rainfall and typically 8.5 inches of rainfall in the month.

  • 46°F maximum daytime temperature in December in Niigata46
    46°F max day temperature
  • 2 hours of sunshine per day
  • 28 days with some rainfall in December in Niigata28
    28 days with some rainfall
  • 36°F minimum night-time temperature in December in Niigata36
    36°F min night temperature
  • 10 hours of daylight per day in December in Niigata10
    10 hours of daylight per day
  • No heat & humidity in December in Niigata0
    No heat & humidity
  • 8.5 inches monthly rainfall in December in Niigata8.5
    8.5 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Niigata2
    2 (Low) UV index
  • 59°F sea temperature in December in Niigata59
    59°F sea temperature

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More about Niigata

Niigata by month

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

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The climate guide for Japan (Niigata) 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: Niigata, Japan typhoon season

% of month affected by tropical storms
0
0
0
0
0
1.3%
1.4%
5.2%
4.6%
<1%
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Compare Niigata weather with the UK

The weather chart below compares the average monthly maximum daytime temperature for Niigata, Japan and the UK (London).

Maximum daytime temperature (°F)

Niigata, Japan
UK (London)
41
45
41
45
48
50
61
55
70
63
75
68
82
72
88
72
79
66
68
59
57
50
46
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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