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 43–62°F, 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 70–79°F, 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 48–73°F, cool and comfortable climate, decreased rainfall. Common activities: autumn leaves viewing, mountain climbing. Recommended clothing: light jacket, long-sleeved clothing.
Winter (December–February): Average 32–37°F, 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. 56.1°F / Annual rainfall: approx. 1226 mm / Summer humidity: 70%–80% / Rainiest month: May
Shinano-Omachi monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
32.4°F
21.2
February
34.2°F
48.8
March
43.7°F
138.4
April
55.9°F
135.3
May
62.2°F
211.9
June
70.3°F
181.1
July
78.4°F
113.5
August
79.9°F
76.5
September
73.9°F
111.8
October
57.7°F
96.5
November
48.4°F
76.8
December
37.2°F
14.4
Shinano-Omachi weather for the next seven days
5/6
Wednesday
Sunny
64°F/34.9°F
5/7
Thursday
Sunny
70.8°F/38.6°F
5/8
Friday
Patchy rain nearby
66.5°F/42.1°F
5/9
Saturday
Moderate rain
51.8°F/28.6°F
5/10
Sunday
Sunny
65.2°F/28.1°F
5/11
Monday
Patchy rain nearby
60.3°F/38.7°F
5/12
Tuesday
Patchy rain nearby
63.5°F/36.6°F
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