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 (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	48	50	55	64	72	77	82	86	81	72	63	54
Min temperature (night-time)	34	34	39	50	57	64	72	73	68	57	48	39
Heat & Humidity	0	0	0	0	0	L	M	H	M	0	0	0
Sea temperature	64	63	63	64	68	73	79	81	79	75	72	68

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 (inches)	2.1	3.3	6.0	7.4	7.7	9.7	8.8	7.7	9.6	6.2	4.2	1.9

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 48°F 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 2.1 inches of rainfall in the month.

48
48°F max day temperature
6
6 hours of sunshine per day
12
12 days with some rainfall
34
34°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
2.1
2.1 inches of monthly rainfall
3
3 (Moderate) UV index
64
64°F sea temperature

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Hamamatsu weather in February

Expect daytime maximum temperatures of 50°F 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 3.3 inches of rainfall in the month.

50
50°F max day temperature
6
6 hours of sunshine per day
13
13 days with some rainfall
34
34°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
3.3
3.3 inches of monthly rainfall
4
4 (Moderate) UV index
63
63°F sea temperature

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Hamamatsu weather in March

Expect daytime maximum temperatures of 55°F 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 6.0 inches of rainfall in the month.

55
55°F max day temperature
6
6 hours of sunshine per day
15
15 days with some rainfall
39
39°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
6.0
6.0 inches of monthly rainfall
6
6 (High) UV index
63
63°F sea temperature

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Hamamatsu weather in April

Expect daytime maximum temperatures of 64°F 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 7.4 inches of rainfall in the month.

64
64°F max day temperature
6
6 hours of sunshine per day
16
16 days with some rainfall
50
50°F min night temperature
13
13 hours of daylight per day
0
No heat & humidity
7.4
7.4 inches of monthly rainfall
8
8 (Very High) UV index
64
64°F sea temperature

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Hamamatsu weather in May

Expect daytime maximum temperatures of 72°F 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 7.7 inches of rainfall in the month.

72
72°F max day temperature
6
6 hours of sunshine per day
14
14 days with some rainfall
57
57°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
7.7
7.7 inches of monthly rainfall
9
9 (Very High) UV index
68
68°F sea temperature

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Hamamatsu weather in June

Expect daytime maximum temperatures of 77°F 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 9.7 inches of rainfall in the month.

77
77°F max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
64
64°F min night temperature
14
14 hours of daylight per day
L
Low heat & humidity
9.7
9.7 inches of monthly rainfall
10
10 (Very High) UV index
73
73°F sea temperature

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Hamamatsu weather in July

Expect daytime maximum temperatures of 82°F 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 8.8 inches of rainfall in the month.

82
82°F max day temperature
5
5 hours of sunshine per day
19
19 days with some rainfall
72
72°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
8.8
8.8 inches of monthly rainfall
11
11 (Extreme) UV index
79
79°F sea temperature

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Hamamatsu weather in August

Expect daytime maximum temperatures of 86°F 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 7.7 inches of rainfall in the month.

86
86°F max day temperature
7
7 hours of sunshine per day
16
16 days with some rainfall
73
73°F min night temperature
13
13 hours of daylight per day
H
High heat & humidity
7.7
7.7 inches of monthly rainfall
10
10 (Very High) UV index
81
81°F sea temperature

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Hamamatsu weather in September

Expect daytime maximum temperatures of 81°F 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 9.6 inches of rainfall in the month.

81
81°F max day temperature
5
5 hours of sunshine per day
18
18 days with some rainfall
68
68°F min night temperature
12
12 hours of daylight per day
M
Moderate heat & humidity
9.6
9.6 inches of monthly rainfall
8
8 (Very High) UV index
79
79°F sea temperature

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Hamamatsu weather in October

Expect daytime maximum temperatures of 72°F 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 6.2 inches of rainfall in the month.

72
72°F max day temperature
5
5 hours of sunshine per day
15
15 days with some rainfall
57
57°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
6.2
6.2 inches of monthly rainfall
6
6 (High) UV index
75
75°F sea temperature

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Hamamatsu weather in November

Expect daytime maximum temperatures of 63°F 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 4.2 inches of rainfall in the month.

63
63°F max day temperature
5
5 hours of sunshine per day
12
12 days with some rainfall
48
48°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
4.2
4.2 inches of monthly rainfall
4
4 (Moderate) UV index
72
72°F sea temperature

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Hamamatsu weather in December

Expect daytime maximum temperatures of 54°F 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 1.9 inches of rainfall in the month.