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Shiraoi

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Shiraoi Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Shiraoi year round climate

  • Spring (March–May): Average 1.4–11.6°C, 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 15.7–22.9°C, 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 12.7–19.7°C, 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–-1.7°C, 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. 8.8°C / Annual rainfall: approx. 1309 mm / Summer humidity: 70%–80% / Rainiest month: August

Shiraoi monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-4°C
56
February
-2.8°C
23.5
March
1.4°C
69.5
April
7.4°C
69
May
11.6°C
99
June
15.7°C
124.2
July
21.3°C
145.5
August
22.9°C
248.6
September
19.7°C
233.3
October
12.7°C
132.3
November
6°C
76.6
December
-1.7°C
32.4

Shiraoi weather for the next seven days

2/2
Monday
Light freezing rain
-0.6°C/-6.1°C
2/3
Tuesday
Partly Cloudy
0.5°C/-7.5°C
2/4
Wednesday
Sunny
4.1°C/-4.1°C
2/5
Thursday
Moderate or heavy snow showers
0.7°C/-4.4°C
2/6
Friday
Blowing snow
0.6°C/-10.2°C
2/7
Saturday
Blizzard
-7.4°C/-10.5°C
2/8
Sunday
Light snow
-4.2°C/-7.6°C