Shinanomachi Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Shinanomachi year round climate
Spring (March–May): Average 6–17°C, mild climate, but significant temperature variations are possible, rainfall gradually increases. Common activities: enjoying the scenery, flower viewing (e.g., cherry blossoms, but possibly later than other areas). Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
Summer (June–August): Average 21–27°C, hot and humid, more rainfall, occasional afternoon thunderstorms. Common activities: visiting summer resorts, playing in streams (safety precautions are necessary). Recommended clothing: light and breathable clothing, sun hat, rain gear.
Autumn (September–November): Average 9–24°C, comfortable and pleasant climate, rainfall gradually decreases, significant temperature difference between morning and evening. Common activities: viewing autumn leaves, hiking and mountain climbing. Recommended clothing: light jacket, long-sleeved shirt, comfortable shoes.
Winter (December–February): Average -0.3–6°C, cold and dry, less rainfall, occasional snowfall. Common activities: skiing (depending on snowfall), onsen experience. Recommended clothing: warm jacket, hat, gloves, scarf.
Shinanomachi climatological average
Annual average temperature: approx. 13°C / Annual rainfall: approx. 1004 mm / Summer humidity: 70%–80% / Rainiest month: July
Shinanomachi monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-0.3°C
37.7
February
0.9°C
43.3
March
6°C
76.7
April
12.9°C
83.7
May
16.6°C
108.3
June
21.3°C
94.7
July
25.7°C
141.3
August
27°C
115
September
23.9°C
138.7
October
15.1°C
64
November
9.2°C
70.7
December
2.6°C
30.7
Shinanomachi weather for the next seven days
12/17
Wednesday
Patchy rain nearby
5.7°C/-6.3°C
12/18
Thursday
Moderate snow
4.2°C/-5.7°C
12/19
Friday
Sunny
8.3°C/-6.6°C
12/20
Saturday
Patchy moderate snow
9.2°C/-5°C
12/21
Sunday
Patchy rain nearby
8.2°C/-1.2°C
12/22
Monday
Patchy rain nearby
6.2°C/1.1°C
12/23
Tuesday
Moderate or heavy snow showers
2°C/-2.1°C
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