Shinano-Omachi Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Shinano-Omachi year round climate
Spring (March–May): Average 6.5–16.8°C, climate gradually warming from cold, rainfall gradually increasing, with the most rainfall in May. Common activities: flower viewing, hiking. Recommended clothing: light jacket, long-sleeved clothing, rain gear needed in May.
Summer (June–August): Average 21.3–26.6°C, warm and humid climate, less rainfall than spring. Common activities: outdoor activities, water activities. Recommended clothing: light and breathable clothing, short sleeves, shorts, sun hat.
Autumn (September–November): Average 9.1–23.3°C, cool and comfortable climate, decreased rainfall. Common activities: autumn leaves viewing, mountain climbing. Recommended clothing: light jacket, long-sleeved clothing.
Winter (December–February): Average 0.2–2.9°C, cold and dry climate, least rainfall. Common activities: skiing, hot springs. Recommended clothing: warm clothing, thick jacket, hat, gloves, scarf.
Shinano-Omachi climatological average
Annual average temperature: approx. 13.4°C / Annual rainfall: approx. 1226 mm / Summer humidity: 70%–80% / Rainiest month: May
Shinano-Omachi monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
0.2°C
21.2
February
1.2°C
48.8
March
6.5°C
138.4
April
13.3°C
135.3
May
16.8°C
211.9
June
21.3°C
181.1
July
25.8°C
113.5
August
26.6°C
76.5
September
23.3°C
111.8
October
14.3°C
96.5
November
9.1°C
76.8
December
2.9°C
14.4
Shinano-Omachi weather for the next seven days
2/3
Tuesday
Light freezing rain
-0.9°C/-12.2°C
2/4
Wednesday
Sunny
3.9°C/-12.2°C
2/5
Thursday
Sunny
5°C/-7.9°C
2/6
Friday
Moderate snow
3.5°C/-7.4°C
2/7
Saturday
Moderate snow
-4.1°C/-7.5°C
2/8
Sunday
Moderate or heavy snow showers
-5.6°C/-10.1°C
2/9
Monday
Heavy snow
-2.5°C/-14.8°C
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