Live Weather & Forecast
Weather in Gumma
Japan · Real-time conditions & 3-day outlook
22°C
Feels like 22°C
71°F / Feels 71°F
Partly cloudy
Gumma, Japan
🌞 Daytime
Updated: 2026-04-15 15:30
Humidity
42%
Wind
4.7 km/h ESE
Wind Gust
5.6 km/h
Pressure
1011 mb
Visibility
16 km
UV Index
0.4
(Low)
Precipitation
0.44 mm
Cloud Cover
75%
Dew Point
11.1°C
Wind Degree
116°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (3)
CO
306.9 μg/m³
NO₂
9.4 μg/m³
O₃
70 μg/m³
SO₂
8.7 μg/m³
PM 2.5
33.1 μg/m³
PM 10
39.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Gumma, Japan
12 AM
15°
Patchy rain nearby
1 AM
15°
Patchy rain nearby
2 AM
15°
Patchy rain nearby
3 AM
15°
Light rain shower
4 AM
15°
Patchy rain nearby
5 AM
15°
Patchy rain nearby
6 AM
15°
Light rain shower
7 AM
15°
Light rain shower
8 AM
15°
Light rain shower
9 AM
17°
Light rain shower
10 AM
18°
Patchy rain nearby
11 AM
18°
Patchy rain nearby
12 PM
19°
Patchy rain nearby
1 PM
19°
Light rain shower
2 PM
17°
Patchy rain nearby
3 PM
22°
Partly cloudy
4 PM
16°
Light drizzle
5 PM
15°
Light drizzle
6 PM
14°
Patchy light drizzle
7 PM
14°
Light drizzle
8 PM
14°
Light drizzle
9 PM
13°
Light drizzle
10 PM
13°
Patchy rain nearby
11 PM
13°
Patchy rain nearby
3-Day Forecast
Daily overview for Gumma, Japan
Today
Patchy rain nearby
19°
/
13°
🌧️ 94% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 10.1 km/h
🌧️ Total precip: 4.74 mm
☀️ UV Index: 1
🌅 Sunrise: 05:12 AM
🌇 Sunset: 06:18 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Sunny
20°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 52%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0.06 mm
☀️ UV Index: 1.8
🌅 Sunrise: 05:11 AM
🌇 Sunset: 06:19 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
19°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 46%
💨 Max wind: 9.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 05:09 AM
🌇 Sunset: 06:20 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Gumma
Plan your trip around the most favorable weather conditions in Gumma, 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 Gumma?
Current conditions in Gumma: Partly cloudy, temperature 22°C, humidity 42%.
What is the best time to visit Gumma?
The best time to visit Gumma is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Gumma?
Gumma shares the climate of Japan. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Gumma?
Rainfall patterns in Gumma vary by season. Peak rainfall typically occurs outside of the dry season.
What should I pack for Gumma?
For visits during June – September: light clothing and sun protection. For the November – March period: layers and a waterproof jacket are recommended for Gumma.
What country is Gumma in?
Gumma is a state/province of Japan.
What are the public holidays in Gumma in 2026?
View the full list of 2026 public holidays for Gumma on our Holidays page.
What are the coordinates for the weather forecast in Gumma?
The weather forecast for Gumma is based on coordinates 36.3264, 138.8878.