Live Weather & Forecast
Weather in Suwa
Nagano, Japan · Real-time conditions & 3-day outlook
12°C
Feels like 12°C
53°F / Feels 53°F
Patchy rain nearby
Suwa, Nagano
🌙 Nighttime
Updated: 2026-04-15 18:30
Humidity
86%
Wind
3.6 km/h NNE
Wind Gust
10.8 km/h
Pressure
1011 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0.07 mm
Cloud Cover
100%
Dew Point
9.2°C
Wind Degree
27°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
252.9 μg/m³
NO₂
9 μg/m³
O₃
79 μg/m³
SO₂
9 μg/m³
PM 2.5
22.5 μg/m³
PM 10
29 μg/m³
Today's Hourly Forecast
24-hour breakdown for Suwa, Nagano
12 AM
12°
Patchy rain nearby
1 AM
12°
Patchy rain nearby
2 AM
12°
Patchy rain nearby
3 AM
12°
Patchy rain nearby
4 AM
11°
Patchy rain nearby
5 AM
11°
Patchy rain nearby
6 AM
12°
Overcast
7 AM
13°
Patchy rain nearby
8 AM
13°
Patchy rain nearby
9 AM
13°
Patchy rain nearby
10 AM
13°
Patchy rain nearby
11 AM
13°
Patchy rain nearby
12 PM
13°
Patchy rain nearby
1 PM
13°
Patchy rain nearby
2 PM
13°
Patchy rain nearby
3 PM
12°
Patchy rain nearby
4 PM
12°
Patchy rain nearby
5 PM
12°
Patchy rain nearby
6 PM
12°
Patchy rain nearby
7 PM
11°
Light drizzle
8 PM
11°
Light rain
9 PM
11°
Light drizzle
10 PM
11°
Light drizzle
11 PM
11°
Light drizzle
3-Day Forecast
Daily overview for Suwa, Nagano
Today
Patchy rain nearby
13°
/
11°
🌧️ 97% chance of rain
💧 Avg. humidity: 84%
💨 Max wind: 5 km/h
🌧️ Total precip: 3.69 mm
☀️ UV Index: 0.7
🌅 Sunrise: 05:15 AM
🌇 Sunset: 06:21 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
17°
/
4°
🌧️ 87% chance of rain
💧 Avg. humidity: 60%
💨 Max wind: 14.8 km/h
🌧️ Total precip: 0.88 mm
☀️ UV Index: 1.9
🌅 Sunrise: 05:14 AM
🌇 Sunset: 06:21 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Patchy rain nearby
20°
/
2°
🌧️ 78% chance of rain
💧 Avg. humidity: 51%
💨 Max wind: 8.6 km/h
🌧️ Total precip: 0.22 mm
☀️ UV Index: 2.1
🌅 Sunrise: 05:13 AM
🌇 Sunset: 06:22 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Suwa
Plan your trip to Suwa, Japan around the most favorable weather conditions.
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 Suwa?
Current conditions in Suwa: Patchy rain nearby, temperature 12°C, humidity 86%.
What is the best time to visit Suwa?
The best time to visit Suwa is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Suwa?
Suwa is located at approximately 36° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Suwa?
The wettest period in Suwa is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Suwa?
For visits to Suwa during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Suwa in 2026?
View the 2026 public holidays for Suwa on our Holidays page.
What are the GPS coordinates used for the weather forecast in Suwa?
The weather forecast for Suwa uses coordinates 36.0321, 138.1141.