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Gunma
Top 10 Must-Do Experiences and Attractions in Gunma
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![Niigata/Nagaoka Festival Grand Fireworks Display Viewing Bus Tour (2 days, including accommodation) [Departing from/returning to Shinjuku Station]](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_scm_17632/20260423072757_z7j7h/jpg)
![[Gunma, Mt. Akagi] Tree climbing experience](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_578756/20260402092954_j1xrJ/jpg)
![[Gunma, Mt. Akagi] Tree climbing and bonfire burger experience](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_578753/20260402092822_MSTUN/jpg)
![All-you-can-eat fresh tuna at Tsuchiura Fish Market! All-you-can-eat seasonal fruits in Ibaraki! [Departure from Shinjuku, Ueno, and Tokyo]](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_scm_14256/20260318004932_amcQi/jpg)
![Limited-time offer for 6 days! Experience three kinds of fruit picking in Gunma: loquats, cherries, and strawberries! Triple picking and all-you-can-eat! [Departure from Shinjuku, Ueno, and Tokyo]](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_scm_14254/20260317234131_kBBpA/jpg)
![<Beginner Hike> Easy day trip! Hike around Oze with a guide, approximately 5 hours stay [Departing from Tokyo]](https://image.kkday.com/image/get/c_fill%2Ch_153%2Cq_55%2Ct_webp%2Cw_272/s1.kkday.com/product_570929/20260126061047_xj73T/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
4/28
Tuesday
Sunny
22.5°C/6.2°C
4/29
Wednesday
Patchy rain nearby
19.4°C/9.8°C
4/30
Thursday
Patchy rain nearby
14.8°C/7.7°C
5/1
Friday
Moderate rain
11.5°C/8.1°C
5/2
Saturday
Sunny
25.6°C/5.7°C
5/3
Sunday
Patchy rain nearby
19.4°C/9.7°C
5/4
Monday
Moderate rain
18°C/11.2°C
