Niigata weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Niigata (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	5	5	9	16	21	24	28	31	26	20	14	8
Min temperature (night-time)	-1	-1	1	7	12	17	21	23	18	12	6	2
Heat & Humidity	0	0	0	0	0	0	M	H	L	0	0	0
Sea temperature	12	10	9	10	14	19	22	26	25	21	18	15

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	2	3	5	6	7	6	5	7	5	5	3	2
Daily hours of daylight	10	11	12	13	14	15	14	14	12	11	10	10
UV Index (Maximum)	2	3	5	7	8	9	10	9	7	5	3	2

Rainfall in Niigata

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	29	26	25	17	17	17	18	16	19	20	23	28
Average monthly rainfall (mm)	188	128	102	92	97	117	181	135	158	155	194	216

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.

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 5°C 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 188 mm of rainfall in the month.

5
5°C max day temperature
2
2 hours of sunshine per day
29
29 days with some rainfall
-1
-1°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
188
188 mm of monthly rainfall
2
2 (Low) UV index
12
12°C sea temperature

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Niigata weather in February

Expect daytime maximum temperatures of 5°C 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 128 mm of rainfall in the month.

5
5°C max day temperature
3
3 hours of sunshine per day
26
26 days with some rainfall
-1
-1°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
128
128 mm of monthly rainfall
3
3 (Moderate) UV index
10
10°C sea temperature

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Niigata weather in March

Expect daytime maximum temperatures of 9°C 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 102 mm of rainfall in the month.

9
9°C max day temperature
5
5 hours of sunshine per day
25
25 days with some rainfall
1
1°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
102
102 mm of monthly rainfall
5
5 (Moderate) UV index
9
9°C sea temperature

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Niigata weather in April

Expect daytime maximum temperatures of 16°C 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 92 mm of rainfall in the month.

16
16°C max day temperature
6
6 hours of sunshine per day
17
17 days with some rainfall
7
7°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
92
92 mm of monthly rainfall
7
7 (High) UV index
10
10°C sea temperature

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Niigata weather in May

Expect daytime maximum temperatures of 21°C 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 97 mm of rainfall in the month.

21
21°C max day temperature
7
7 hours of sunshine per day
17
17 days with some rainfall
12
12°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
97
97 mm of monthly rainfall
8
8 (Very High) UV index
14
14°C sea temperature

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Niigata weather in June

Expect daytime maximum temperatures of 24°C 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 117 mm of rainfall in the month.

24
24°C max day temperature
6
6 hours of sunshine per day
17
17 days with some rainfall
17
17°C min night temperature
15
15 hours of daylight per day
0
No heat & humidity
117
117 mm of monthly rainfall
9
9 (Very High) UV index
19
19°C sea temperature

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Niigata weather in July

Expect daytime maximum temperatures of 28°C 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 181 mm of rainfall in the month.

28
28°C max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
21
21°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
181
181 mm of monthly rainfall
10
10 (Very High) UV index
22
22°C sea temperature

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Niigata weather in August

Expect daytime maximum temperatures of 31°C 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 135 mm of rainfall in the month.

31
31°C max day temperature
7
7 hours of sunshine per day
16
16 days with some rainfall
23
23°C min night temperature
14
14 hours of daylight per day
H
High heat & humidity
135
135 mm of monthly rainfall
9
9 (Very High) UV index
26
26°C sea temperature

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Niigata weather in September

Expect daytime maximum temperatures of 26°C 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 158 mm of rainfall in the month.

26
26°C max day temperature
5
5 hours of sunshine per day
19
19 days with some rainfall
18
18°C min night temperature
12
12 hours of daylight per day
L
Low heat & humidity
158
158 mm of monthly rainfall
7
7 (High) UV index
25
25°C sea temperature

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Niigata weather in October

Expect daytime maximum temperatures of 20°C 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 155 mm of rainfall in the month.

20
20°C max day temperature
5
5 hours of sunshine per day
20
20 days with some rainfall
12
12°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
155
155 mm of monthly rainfall
5
5 (Moderate) UV index
21
21°C sea temperature

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Niigata weather in November

Expect daytime maximum temperatures of 14°C 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 194 mm of rainfall in the month.

14
14°C max day temperature
3
3 hours of sunshine per day
23
23 days with some rainfall
6
6°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
194
194 mm of monthly rainfall
3
3 (Moderate) UV index
18
18°C sea temperature

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Niigata weather in December

Expect daytime maximum temperatures of 8°C 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 216 mm of rainfall in the month.

8
8°C max day temperature
2
2 hours of sunshine per day
28
28 days with some rainfall
2
2°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
216
216 mm of monthly rainfall
2
2 (Low) UV index
15
15°C sea temperature

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