Live Weather & Forecast
Weather in Gunma
Kanto, Japan · Real-time conditions & 3-day outlook
11°C
Feels like 9°C
52°F / Feels 49°F
Sunny
Gunma, Kanto
🌞 Daytime
Updated: 2026-04-16 06:00
Humidity
84%
Wind
14.4 km/h NNW
Wind Gust
21.2 km/h
Pressure
1011 mb
Visibility
10 km
UV Index
0.1
(Low)
Precipitation
0 mm
Cloud Cover
3%
Dew Point
8.6°C
Wind Degree
333°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (3)
CO
421.9 μg/m³
NO₂
30.1 μg/m³
O₃
61 μg/m³
SO₂
10.2 μg/m³
PM 2.5
24.7 μg/m³
PM 10
27.4 μg/m³
Today's Hourly Forecast
24-hour breakdown for Gunma, Kanto
12 AM
13°
Light drizzle
1 AM
13°
Patchy rain nearby
2 AM
13°
Light drizzle
3 AM
13°
Cloudy
4 AM
12°
Partly Cloudy
5 AM
12°
Clear
6 AM
11°
Sunny
7 AM
13°
Sunny
8 AM
14°
Sunny
9 AM
16°
Sunny
10 AM
17°
Sunny
11 AM
18°
Sunny
12 PM
19°
Sunny
1 PM
19°
Sunny
2 PM
19°
Sunny
3 PM
18°
Sunny
4 PM
18°
Sunny
5 PM
17°
Sunny
6 PM
14°
Sunny
7 PM
11°
Clear
8 PM
10°
Clear
9 PM
10°
Clear
10 PM
9°
Clear
11 PM
9°
Clear
3-Day Forecast
Daily overview for Gunma, Kanto
Today
Patchy rain nearby
19°
/
9°
🌧️ 87% chance of rain
💧 Avg. humidity: 59%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0.59 mm
☀️ UV Index: 1.8
🌅 Sunrise: 05:10 AM
🌇 Sunset: 06:18 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Overcast
18°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 50%
💨 Max wind: 10.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 05:09 AM
🌇 Sunset: 06:19 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Partly Cloudy
21°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 47%
💨 Max wind: 9.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 05:07 AM
🌇 Sunset: 06:20 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Gunma
Plan your trip to Gunma, 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 Gunma?
Current conditions in Gunma: Sunny, temperature 11°C, humidity 84%.
What is the best time to visit Gunma?
The best time to visit Gunma is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Gunma?
Gunma is located at approximately 36.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Gunma?
The wettest period in Gunma is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Gunma?
For visits to Gunma during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Gunma in 2026?
View the 2026 public holidays for Gunma on our Holidays page.
What are the GPS coordinates used for the weather forecast in Gunma?
The weather forecast for Gunma uses coordinates 36.522, 139.0335.