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Gunma
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Gunma Weather and climate
Data source：Meteostat
Update date：2025-09
Gunma year round climate
- Spring (March–May): Average 44–60°F, the climate gradually changes from cold to warm, with increasing rainfall. March and April may still experience cold snaps. Common activities: cherry blossom viewing, hiking, hot spring trips. Recommended clothing: light jacket, long-sleeved shirt, add warm clothing in the mornings and evenings.
- Summer (June–August): Average 68–79°F, warm and humid climate, abundant rainfall, and frequent afternoon thunderstorms. Common activities: mountain hiking, water activities, sightseeing in summer resorts. Recommended clothing: light and breathable clothing, short sleeves, shorts, bring rain gear.
- Autumn (September–November): Average 49–74°F, pleasant and comfortable climate, changing from warm to cool, with decreasing rainfall. Common activities: maple leaf viewing, hiking, hot spring trips. Recommended clothing: long-sleeved shirt, light jacket, add warm clothing in the mornings and evenings.
- Winter (December–February): Average 33–40°F, cold and dry climate, low rainfall. Common activities: skiing, hot spring experiences. Recommended clothing: warm coat, sweater, scarf, gloves, hat.
Gunma climatological average
Annual average temperature: approx. 56.5°F / Annual rainfall: approx. 1323 mm / Summer humidity: 70%–80% / Rainiest month: August
Gunma monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
33.6°F
23.6
February
35.8°F
45.3
March
44.1°F
93.5
April
54.5°F
112.1
May
60.6°F
163.8
June
68.7°F
182.5
July
77.4°F
174.2
August
79.5°F
188.3
September
74.5°F
183.4
October
59°F
78
November
49.3°F
57.6
December
40.1°F
21
Gunma weather for the next seven days
10/11
Saturday
Patchy rain nearby
61.7°F/53.2°F
10/12
Sunday
Partly Cloudy
78.3°F/52.4°F
10/13
Monday
Patchy rain nearby
75.2°F/55.5°F
10/14
Tuesday
Moderate rain
63.2°F/54°F
10/15
Wednesday
Patchy rain nearby
77°F/51.5°F
10/16
Thursday
Moderate rain
59.7°F/51.5°F
10/17
Friday
Patchy rain nearby
65°F/50.1°F
