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Gunma
Top 10 Must-Do Experiences and Attractions in Gunma
![[Official Sales] Shibukawa Skyland Park 1-Day Passport Ticket Reservation (Shibukawa City, Gunma Prefecture, Theme Park)](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_271468/20250318023501_tRPaD/jpg)
![[Japan's Autumn Foliage Season Recommendation] Mount Fuji Special Offer | 10-Hour Private charter car Day Tour with a Chartered Car | Tokyo City, Kamakura, Yokohama, Saitama, Kawagoe, Hakone, Mount Fuji, Nikko, Karuizawa, Izu, and Atami](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_150397/20231005160940_pJvd6/png)
Gunma Trending place to visit
Latest launches and promotions in Gunma
![[Gunma/Shima] Experience the dream of SUP on Lake Shima, famous for its 'Shima Blue' water!](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_771922/20260918080359_g6Hps/jpg)
![[Gunma/Numata] Tone River Rafting! Free Photo Service](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_771478/20260914032746_9c6D0/jpg)
![[Gunma, Maebashi] Limited to 1 group per day! Enjoy Japanese Culture: Traditional Silk Making & Yawata-yama Tumulus Tour & Origami <Includes Mulberry Tea & 2 Luxury Silk Frames to Take Home> Day trip from Tokyo OK!](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_771144/20260909021201_EpmJx/png)
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Gunma Weather, Climate and Best Time to Visit
Data source：Meteostat
Update date：2025-09
Gunma year round climate
- Spring (March–May): Average 6.7–15.9°C, 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 20.4–26.4°C, 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 9.6–23.6°C, 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 0.9–4.5°C, 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. 13.6°C / Annual rainfall: approx. 1323 mm / Summer humidity: 70%–80% / Rainiest month: August
Gunma monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
0.9°C
23.6
February
2.1°C
45.3
March
6.7°C
93.5
April
12.5°C
112.1
May
15.9°C
163.8
June
20.4°C
182.5
July
25.2°C
174.2
August
26.4°C
188.3
September
23.6°C
183.4
October
15°C
78
November
9.6°C
57.6
December
4.5°C
21
Gunma weather for the next seven days
9/22
Tuesday
Sunny
24.8°C/17.5°C
9/23
Wednesday
Patchy rain nearby
17.7°C/16.7°C
9/24
Thursday
Sunny
25°C/16.1°C
9/25
Friday
Overcast
24.2°C/16.4°C
9/26
Saturday
Light rain shower
17.5°C/13.5°C
9/27
Sunday
Light rain shower
14.9°C/13.4°C
9/28
Monday
Overcast
22.9°C/14.6°C
