Spring (March–May): Average 34–55°F, the weather is changeable with a large diurnal temperature variation, and moderate rainfall. Common activities: Flower viewing, hiking. Recommended clothing: Warm jacket, comfortable trousers, easy-to-remove clothing.
Summer (June–August): Average 63–74°F, comfortable temperatures, but August has more rainfall and higher humidity. Common activities: Outdoor recreation, mountain climbing. Recommended clothing: Breathable clothing, light rain gear.
Autumn (September–November): Average 66–40°F, temperatures gradually decrease, rainfall is relatively high, and the diurnal temperature variation is significant. Common activities: Maple viewing, fruit picking. Recommended clothing: Warm jacket, long-sleeved clothing.
Winter (December–February): Average -5.6–-38.3°F, cold temperatures, snow may accumulate, and rainfall is relatively high. Common activities: Skiing, ice activities. Recommended clothing: Heavy warm clothing, waterproof and windproof jacket, hat, scarf, gloves.
Sunagawa climatological average
Annual average temperature: approx. 47.5°F / Annual rainfall: approx. 1436 mm / Summer humidity: 70%–80% / Rainiest month: August
Sunagawa monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
21.9°F
132
February
24.1°F
83.7
March
34.2°F
58
April
47.3°F
61.1
May
55.4°F
89.2
June
63.5°F
110.9
July
72.7°F
103.1
August
74.1°F
213.9
September
66.2°F
156.4
October
53.4°F
148.6
November
40.6°F
117.1
December
25.7°F
162.4
Sunagawa weather for the next seven days
7/20
Monday
Fog
78.1°F/63.2°F
7/21
Tuesday
Sunny
82.5°F/61.6°F
7/22
Wednesday
Patchy rain nearby
80°F/60.8°F
7/23
Thursday
Fog
80.6°F/63.7°F
7/24
Friday
Patchy rain nearby
78.3°F/62.7°F
7/25
Saturday
Mist
75.7°F/59.5°F
7/26
Sunday
Cloudy
73.1°F/59°F
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