Live Weather & Forecast
Weather in Nagano
Japan · Real-time conditions & 3-day outlook
14°C
Feels like 15°C
57°F / Feels 58°F
Clear
Nagano, Japan
🌙 Nighttime
Updated: 2026-04-15 00:45
Humidity
67%
Wind
3.6 km/h S
Wind Gust
10.8 km/h
Pressure
1018 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
8.3°C
Wind Degree
184°
Air Quality Index
US EPA: Moderate
UK DEFRA: Moderate (4)
CO
254.9 μg/m³
NO₂
51.7 μg/m³
O₃
31 μg/m³
SO₂
11.7 μg/m³
PM 2.5
37 μg/m³
PM 10
37.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Nagano, Japan
12 AM
13°
Clear
1 AM
14°
Clear
2 AM
11°
Clear
3 AM
11°
Clear
4 AM
11°
Clear
5 AM
10°
Clear
6 AM
10°
Clear
7 AM
12°
Sunny
8 AM
14°
Sunny
9 AM
17°
Sunny
10 AM
19°
Sunny
11 AM
20°
Sunny
12 PM
21°
Sunny
1 PM
22°
Sunny
2 PM
24°
Sunny
3 PM
24°
Sunny
4 PM
24°
Sunny
5 PM
23°
Sunny
6 PM
22°
Sunny
7 PM
20°
Sunny
8 PM
18°
Clear
9 PM
17°
Clear
10 PM
17°
Clear
11 PM
15°
Clear
3-Day Forecast
Daily overview for Nagano, Japan
Today
Sunny
25°
/
10°
🌧️ 0% chance of rain
💧 Avg. humidity: 62%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:19 AM
🌇 Sunset: 07:23 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Overcast
20°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:18 AM
🌇 Sunset: 07:23 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Sunny
24°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 19%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:17 AM
🌇 Sunset: 07:24 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Nagano
Plan your trip around the most favorable weather conditions in Nagano, Japan.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Nagano?
Current conditions in Nagano: Clear, temperature 14°C, humidity 67%.
What is the best time to visit Nagano?
The best time to visit Nagano is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Nagano?
Nagano shares the climate of Japan. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Nagano?
Rainfall patterns in Nagano vary by season. Peak rainfall typically occurs outside of the dry season.
What should I pack for Nagano?
For visits during June – September: light clothing and sun protection. For the November – March period: layers and a waterproof jacket are recommended for Nagano.
What country is Nagano in?
Nagano is a state/province of Japan.
What are the public holidays in Nagano in 2026?
View the full list of 2026 public holidays for Nagano on our Holidays page.
What are the coordinates for the weather forecast in Nagano?
The weather forecast for Nagano is based on coordinates 34.0134, -117.6901.