Hamamatsu Weather

The climate in southern Hamamatsu has a humid subtropical climate with cool to mild winters with little snowfall; however, it is windy in winter because of the dry monsoon called Enshū no Karakaze, which is unique to the region. The climate in northern Hamamatsu is much harsher because of foehn winds. Summer is hot with the highest temperature often exceeds 35 degrees in the Tenryu-ku area, while it snows in winter.

Average Temperature
Jan
46 °F
8 °C
Feb
51 °F
11 °C
Mar
54 °F
12 °C
Apr
62 °F
17 °C
May
72 °F
22 °C
Jun
75 °F
24 °C
Jul
79 °F
26 °C
Aug
88 °F
31 °C
Sep
82 °F
28 °C
Oct
72 °F
22 °C
Nov
64 °F
18 °C
Dec
54 °F
12 °C
Humidity
Jan
51%
Feb
54%
Mar
56%
Apr
58%
May
63%
Jun
83%
Jul
91%
Aug
80%
Sep
75%
Oct
75%
Nov
61%
Dec
64%
Rain
Jan
16mm
Feb
42mm
Mar
72mm
Apr
137mm
May
138mm
Jun
233mm
Jul
253mm
Aug
114mm
Sep
44mm
Oct
189mm
Nov
36mm
Dec
69mm
Clouds
Jan
29%
Feb
58%
Mar
58%
Apr
56%
May
69%
Jun
86%
Jul
96%
Aug
57%
Sep
55%
Oct
73%
Nov
34%
Dec
56%
Air quality US AQI
Jan
30
Feb
39
Mar
43
Apr
49
May
48
Jun
44
Jul
47
Aug
49
Sep
44
Oct
37
Nov
36
Dec
27
Sun
Jan
3UVI
Feb
4UVI
Mar
5UVI
Apr
6UVI
May
6UVI
Jun
5UVI
Jul
5UVI
Aug
9UVI
Sep
6UVI
Oct
4UVI
Nov
4UVI
Dec
3UVI