Spring (March–May): Average 34–52°F, cold and rainy climate with slow temperature increase. Common activities: Spring scenery viewing, mountain hiking (note: keep warm). Recommended clothing: Thick coat, warm clothing, waterproof jacket.
Summer (June–August): Average 60–73°F, warm and humid, with high rainfall, especially in August. Common activities: Outdoor activities, seaside recreation (note: sun protection and rain gear needed). Recommended clothing: Light and breathable clothing, rain gear, sunscreen.
Autumn (September–November): Average 54–67°F, gradually decreasing temperature, still relatively high rainfall. Common activities: Maple viewing, harvesting agricultural products. Recommended clothing: Light jacket, comfortable long pants.
Winter (December–February): Average -4.0–-35.1°F, cold and dry, with little snowfall. Common activities: Skiing, onsen experience. Recommended clothing: Heavy down jacket, warm hat, gloves, scarf.
Shiraoi climatological average
Annual average temperature: approx. 47.8°F / Annual rainfall: approx. 1309 mm / Summer humidity: 70%–80% / Rainiest month: August
Shiraoi monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
24.8°F
56
February
27°F
23.5
March
34.5°F
69.5
April
45.3°F
69
May
52.9°F
99
June
60.3°F
124.2
July
70.3°F
145.5
August
73.2°F
248.6
September
67.5°F
233.3
October
54.9°F
132.3
November
42.8°F
76.6
December
28.9°F
32.4
Shiraoi weather for the next seven days
3/20
Friday
Patchy rain nearby
40.1°F/28.6°F
3/21
Saturday
Moderate or heavy snow showers
38.5°F/29.4°F
3/22
Sunday
Patchy rain nearby
44.9°F/29.9°F
3/23
Monday
Moderate rain
40.1°F/36.6°F
3/24
Tuesday
Patchy rain nearby
42.2°F/33.2°F
3/25
Wednesday
Sunny
42.3°F/31.6°F
3/26
Thursday
Overcast
42.9°F/34.2°F
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