Spring (March–May): 6.4–15.9°C on average, the climate changes from cold to warm. There is still a chance of snow in March, but it gradually warms up from April to May, with increasing rainfall. Common activities: picnics, flower viewing. Recommended clothing: warm jacket, long-sleeved shirt; in May, a light jacket is sufficient.
Summer (June–August): 20.2–26.2°C on average, hot and humid, with relatively high rainfall. Common activities: escaping the heat, mountain climbing. Recommended clothing: breathable clothing, short-sleeved shirts, light rain gear.
Autumn (September–November): 10.9–23.1°C on average, the climate is comfortable and pleasant. September has the most rainfall, but overall it is relatively dry. Common activities: maple leaf viewing, outdoor activities. Recommended clothing: light jacket, long-sleeved shirt.
Winter (December–February): 2.2–4.3°C on average, cold and dry, with a low probability of snowfall. Common activities: skiing (requires travel to other areas), hot springs. Recommended clothing: warm coat, sweater, scarf, gloves.
Shiraishi climatological average
Annual average temperature: approx. 13.8°C / Annual rainfall: approx. 1173 mm / Summer humidity: 70%–80% / Rainiest month: September
Shiraishi monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
2.2°C
53.4
February
2.7°C
48.1
March
6.4°C
109.9
April
12.3°C
61.4
May
15.9°C
135.1
June
20.2°C
152
July
25°C
144.1
August
26.2°C
102.3
September
23.1°C
166.8
October
16.5°C
83
November
10.9°C
74.2
December
4.3°C
42.8
Shiraishi weather for the next seven days
7/9
Thursday
Sunny
28.3°C/17.8°C
7/10
Friday
Sunny
30.2°C/20.1°C
7/11
Saturday
Mist
29.5°C/21.2°C
7/12
Sunday
Mist
23.4°C/20.8°C
7/13
Monday
Light rain
24.6°C/20.4°C
7/14
Tuesday
Mist
28.4°C/20.1°C
7/15
Wednesday
Sunny
32.8°C/21.8°C
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