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Omachi

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Omachi Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Omachi year round climate

  • Spring (March–May): Average 11.2–19.8°C, mild and comfortable climate, but with relatively high rainfall. Common activities: Hiking, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt.
  • Summer (June–August): Average 23.7–30.0°C, hot and humid, with rainfall concentrated in July. Common activities: Swimming, mountain climbing (sun protection and rain gear are recommended). Recommended clothing: Light and breathable clothing, sunscreen, rain gear.
  • Autumn (September–November): Average 19.7–14.4°C, pleasant climate, with reduced rainfall. Common activities: Maple leaf viewing, outdoor hiking. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average 7.3–6.7°C, cold and dry, with less rainfall. Common activities: Hot spring experience, skiing (depending on snow conditions). Recommended clothing: Warm jacket, sweater, scarf, gloves.

Omachi climatological average

Annual average temperature: approx. 17.6°C / Annual rainfall: approx. 1529 mm / Summer humidity: 70%–80% / Rainiest month: July

Omachi monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
5.8°C
33.7
February
6.7°C
73.7
March
11.2°C
115
April
16.5°C
193.3
May
19.8°C
165.7
June
23.7°C
217
July
28.3°C
308
August
30°C
83.7
September
27.3°C
128.3
October
19.7°C
72
November
14.4°C
111
December
7.3°C
28.3

Omachi weather for the next seven days

4/5
Sunday
Patchy rain nearby
17.9°C/10°C
4/6
Monday
Partly Cloudy
16.5°C/8°C
4/7
Tuesday
Patchy rain nearby
14.6°C/4.9°C
4/8
Wednesday
Sunny
14.6°C/3.7°C
4/9
Thursday
Patchy rain nearby
15.3°C/6°C
4/10
Friday
Moderate rain
12.7°C/10.8°C
4/11
Saturday
Sunny
18.9°C/9.3°C