Hamamatsu weather by month

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

Temperature
Rainfall
Sunshine & UV index

Temperature in Hamamatsu (°C)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	9	10	13	18	22	25	28	30	27	22	17	12
Min temperature (night-time)	1	1	4	10	14	18	22	23	20	14	9	4
Heat & Humidity	0	0	0	0	0	L	M	H	M	0	0	0
Sea temperature	18	17	17	18	20	23	26	27	26	24	22	20

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

Sunshine & UV index in Hamamatsu

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	6	6	6	6	6	5	5	7	5	5	5	6
Daily hours of daylight	10	11	12	13	14	14	14	13	12	11	10	10
UV Index (Maximum)	3	4	6	8	9	10	11	10	8	6	4	2

Rainfall in Hamamatsu

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	12	13	15	16	14	18	19	16	18	15	12	10
Average monthly rainfall (mm)	53	83	153	187	195	247	224	195	245	158	106	47

More about Hamamatsu

Hamamatsu by month

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

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The climate guide for Japan (Hamamatsu) 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 Hamamatsu?

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

Hamamatsu weather in January

Expect daytime maximum temperatures of 9°C in Hamamatsu, Japan in January based on long-term weather averages. There are 6 hours of sunshine per day on average with 12 days with some rainfall and typically 53 mm of rainfall in the month.

9
9°C max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
1
1°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
53
53 mm of monthly rainfall
3
3 (Moderate) UV index
18
18°C sea temperature

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Hamamatsu weather in February

Expect daytime maximum temperatures of 10°C in Hamamatsu, Japan in February based on long-term weather averages. There are 6 hours of sunshine per day on average with 13 days with some rainfall and typically 83 mm of rainfall in the month.

10
10°C max day temperature
6
6 hours of sunshine per day
13
13 days with some rainfall
1
1°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
83
83 mm of monthly rainfall
4
4 (Moderate) UV index
17
17°C sea temperature

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Hamamatsu weather in March

Expect daytime maximum temperatures of 13°C in Hamamatsu, Japan in March based on long-term weather averages. There are 6 hours of sunshine per day on average with 15 days with some rainfall and typically 153 mm of rainfall in the month.

13
13°C max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
4
4°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
153
153 mm of monthly rainfall
6
6 (High) UV index
17
17°C sea temperature

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Hamamatsu weather in April

Expect daytime maximum temperatures of 18°C in Hamamatsu, Japan in April based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 187 mm of rainfall in the month.

18
18°C max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
10
10°C min night temperature
13
13 hours of daylight per day
0
No heat & humidity
187
187 mm of monthly rainfall
8
8 (Very High) UV index
18
18°C sea temperature

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Hamamatsu weather in May

Expect daytime maximum temperatures of 22°C in Hamamatsu, Japan in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 14 days with some rainfall and typically 195 mm of rainfall in the month.

22
22°C max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
14
14°C min night temperature
14
14 hours of daylight per day
0
No heat & humidity
195
195 mm of monthly rainfall
9
9 (Very High) UV index
20
20°C sea temperature

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Hamamatsu weather in June

Expect daytime maximum temperatures of 25°C in Hamamatsu, Japan in June based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 247 mm of rainfall in the month.

25
25°C max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
18
18°C min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
247
247 mm of monthly rainfall
10
10 (Very High) UV index
23
23°C sea temperature

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Hamamatsu weather in July

Expect daytime maximum temperatures of 28°C in Hamamatsu, Japan in July based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 224 mm of rainfall in the month.

28
28°C max day temperature
5
5 hours of sunshine per day
19
19 days with some rainfall
22
22°C min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
224
224 mm of monthly rainfall
11
11 (Extreme) UV index
26
26°C sea temperature

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Hamamatsu weather in August

Expect daytime maximum temperatures of 30°C in Hamamatsu, 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 195 mm of rainfall in the month.

30
30°C max day temperature
7
7 hours of sunshine per day
16
16 days with some rainfall
23
23°C min night temperature
13
13 hours of daylight per day
H
High heat & humidity
195
195 mm of monthly rainfall
10
10 (Very High) UV index
27
27°C sea temperature

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Hamamatsu weather in September

Expect daytime maximum temperatures of 27°C in Hamamatsu, Japan in September based on long-term weather averages. There are 5 hours of sunshine per day on average with 18 days with some rainfall and typically 245 mm of rainfall in the month.

27
27°C max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
20
20°C min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
245
245 mm of monthly rainfall
8
8 (Very High) UV index
26
26°C sea temperature

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Hamamatsu weather in October

Expect daytime maximum temperatures of 22°C in Hamamatsu, Japan in October based on long-term weather averages. There are 5 hours of sunshine per day on average with 15 days with some rainfall and typically 158 mm of rainfall in the month.

22
22°C max day temperature
5
5 hours of sunshine per day
15
15 days with some rainfall
14
14°C min night temperature
11
11 hours of daylight per day
0
No heat & humidity
158
158 mm of monthly rainfall
6
6 (High) UV index
24
24°C sea temperature

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Hamamatsu weather in November

Expect daytime maximum temperatures of 17°C in Hamamatsu, Japan in November based on long-term weather averages. There are 5 hours of sunshine per day on average with 12 days with some rainfall and typically 106 mm of rainfall in the month.

17
17°C max day temperature
5
5 hours of sunshine per day
12
12 days with some rainfall
9
9°C min night temperature
10
10 hours of daylight per day
0
No heat & humidity
106
106 mm of monthly rainfall
4
4 (Moderate) UV index
22
22°C sea temperature

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Hamamatsu weather in December

Expect daytime maximum temperatures of 12°C in Hamamatsu, Japan in December based on long-term weather averages. There are 6 hours of sunshine per day on average with 10 days with some rainfall and typically 47 mm of rainfall in the month.