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Nagano City

Nagano City 1
Travel Info
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Travel Info

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Nagano City Weather and climate

Data source:Meteostat
Update date:2025-09

Nagano City year round climate
  • Spring (March–May): Average 6–17°C, mild climate, but early spring can still be cold, with occasional rain. Cherry blossoms start blooming in March, and April to May is the best time to see them. Common activities: Cherry blossom viewing, hiking, hot spring trips. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 21–27°C, hot and humid, with more rainfall, especially in July, which is the rainiest month. Common activities: Outdoor activities, mountain climbing, visits to summer resorts. Recommended clothing: Breathable clothing, light shorts or skirts, sun hat, rain gear.
  • Autumn (September–November): Average 9–16°C, cool and comfortable, with vibrant autumn colors, making it a great season for viewing autumn leaves. Occasional rain, but the overall climate is pleasant. Common activities: Viewing autumn leaves, hot springs, mountain climbing. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average -0.3–2.6°C, cold and dry, with occasional snowfall. It's the season for skiing and enjoying winter sports. Common activities: Skiing, hot springs, winter festivals. Recommended clothing: Warm jacket, hat, gloves, scarf, thermal underwear.
Nagano City climatological average

Annual average temperature: approx. 13°C / Annual rainfall: approx. 1004 mm / Summer humidity: 70%–80% / Rainiest month: July

Nagano City 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
Nagano City weather for the next seven days
11/15
Saturday
Sunny
12.6°C/0°C
11/16
Sunday
Sunny
14.5°C/0.4°C
11/17
Monday
Patchy rain nearby
16.7°C/1.5°C
11/18
Tuesday
Moderate rain
5°C/-0.5°C
11/19
Wednesday
Sunny
7.6°C/-2.6°C
11/20
Thursday
Sunny
12°C/-1.8°C
11/21
Friday
Sunny
14°C/-1°C