Gumma, Japan Weather

  1. Gumma, Japan Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Gumma over the next 12 hours
  7. Temperature and possibility of rain in Gumma in the coming days
  8. Rainfall in Gumma in the coming days
  9. Gumma Weather Summary
  10. Weather averages by month
  11. Gumma's weather
  12. Frequently asked questions
  13. Comments
Gumma, Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
16°C
60.8°F
°C °F

Condition: Clear Sky

Pressure: 965 hPa

Feel like: 14 °C

Temperature: 16°C

Cloud: 6%

Humidity: 56%

Wind: WNW - 7 km/h

Visibility: 15.68 km

Weather forecast

Sat
07 Nov
4°C / 10°C
Fog
Sun
08 Nov
3°C / 11°C
Drizzle
Mon
09 Nov
2°C / 8°C
Drizzle
Tue
10 Nov
-1°C / 12°C
Clear Sky
Wed
11 Nov
1°C / 16°C
Clear Sky
Hourly forecast today:
08:00 AM
7° / 16°
7° / 16°
Clear Sky
56% 23 km/h
09:00 AM
6° / 14°
6° / 14°
Clear Sky
58% 24 km/h
10:00 AM
4° / 14°
4° / 14°
Clear Sky
54% 22 km/h
11:00 AM
4° / 12°
4° / 12°
Clear Sky
55% 21 km/h
12:00 PM
4° / 11°
4° / 11°
Clear Sky
60% 23 km/h
13:00 PM
4° / 11°
4° / 11°
Clear Sky
62% 25 km/h
14:00 PM
4° / 11°
4° / 11°
Clear Sky
62% 29 km/h
15:00 PM
4° / 11°
4° / 11°
Clear Sky
62% 32 km/h
16:00 PM
4° / 11°
4° / 11°
Clear Sky
65% 34 km/h
17:00 PM
5° / 10°
5° / 10°
Clear Sky
72% 33 km/h
18:00 PM
5° / 9°
5° / 9°
Clear Sky
74% 32 km/h

30 Day Averages and Extremes

  • Average high 14.9°C
  • Average low 5.9°C
  • Hottest day 22°C (26 October 2026)
  • Coldest day -1°C (10 November 2026)
  • Average humidity 75.5%
  • Days with precipitation 20 days
  • Highest precipitation 87 mm (25 October 2026)

Yesterday's Data

  • Max: 20°C
  • Min: 11°C
  • Total Precipitation: 2 mm

Temperature and possibility of rain in Gumma over the next 12 hours

Temperature and possibility of rain in Gumma in the coming days

Rainfall in Gumma in the coming days

Gumma Climate Summary

Gumma features a Humid continental, no dry season, warm summer (Köppen classification: Dfb), with an average annual temperature of 13.22ºC (55.8ºF), which is about -1.97% lower than the national average for Japan. Annually, the city experiences approximately 63.3 millimeters (2.49 inches) of rainfall, spread across 102.74 rainy days, accounting for 28.15% of the year.

Longitude 36.5605388
Latitude 138.8799972
Yearly high temperature 16.56ºC (61.81ºF)
Yearly low temperature 7.59ºC (45.66ºF)
Hottest month August 29.53ºC (85.15ºF)
Coldest month January -3.56ºC (25.59ºF)
Yearly precip 63.3mm (2.49in)
Days with rainfall 102.74 days (28.15%)
Driest month December (65.83%)
Wettest month July (77.86%)

Weather averages by month

Month High / Low (°C) Rain
January 3.85° / -3.56° 5.0 days
February 5.05° / -3.14° 4.64 days
March 9.41° / 0.03° 7.64 days
April 15.03° / 4.51° 8.91 days
May 21.11° / 10.22° 8.36 days
June 23.85° / 14.29° 15.0 days
July 27.82° / 19.0° 16.55 days
August 29.53° / 19.85° 11.64 days
September 24.76° / 15.84° 10.82 days
October 18.58° / 9.96° 6.82 days
November 12.83° / 4.49° 3.91 days
December 6.87° / -0.39° 3.45 days

Gumma's weather

Frequently asked questions

1. What is the hottest month in Gumma?

August has the highest average monthly temperature (daily mean of 29.53ºC) and January are the coolest (daily mean of -3.56ºC).

2. What should I wear in Gumma today?

For today's cool weather in Gumma, with temperatures between 9ºC to 12ºC (48.2ºF to 53.6ºF), you should consider wearing:
- Cotton socks
- Light jacket or cardigan
- Long-sleeve top or shirt
- Light scarf or wrap

Temperature

Early
7°C / 19°C
Morning
6°C / 14°C
Afternoon
4°C / 11°C
Evening
4°C / 9°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 450
  • CO 168
  • NH3 0
  • NO2 6
  • O3 87
  • PM10 5
  • PM25 4
  • SO2 1
  • CH4 1,391

Sunrise / Sunset

21:13
07:42