Get Exclusive App Deals

Nagano

Nagano 1
Travel guide
2
Travel guide

Ongoing promotions in Nagano

More destinations

Featured activity reviews in Nagano

Best time to visit Nagano

Data source:Meteostat
Last updated:2025-09

Weather in Nagano throughout the year

  • Spring (March–May): Average 6–17°C, mild climate but with a large temperature difference between day and night, increasing rainfall. Common activities: Cherry blossom viewing, hiking, mountain trekking. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 21–27°C, high temperature, high humidity, and frequent rain. Common activities: Summer resorts, water activities, enjoying mountain scenery. Recommended clothing: Light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): Average 9–24°C, comfortable and pleasant climate, crisp autumn air, gradual change in foliage color. Common activities: Maple leaf viewing, hiking, hot spring bathing. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Winter (December–February): Average -0.3–2.6°C, cold and dry, high probability of snowfall. Common activities: Skiing, winter sports, enjoying snow scenes. Recommended clothing: Warm jacket, beanie, scarf, gloves, waterproof and warm shoes.

Weather in Nagano

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

Nagano weather by month

Month
Temperature (°C)
Rainfall (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

7-day weather forecast for Nagano

11/13
Friday
Sunny
16.9°C/5°C
11/14
Saturday
Overcast
16.5°C/7.5°C
11/15
Sunday
Light drizzle
13°C/9.7°C
11/16
Monday
Light drizzle
11.1°C/6.8°C
11/17
Tuesday
Overcast
14.1°C/5.2°C
11/18
Wednesday
Light drizzle
15.2°C/9°C
11/19
Thursday
Light rain
9.2°C/4.4°C