Weather in Gunma for August 2025
The forecast for the first days of August 2025 in Gunma predicts temperatures to be around 26 °C, close to the historical average.
In general, the average temperature in Gunma at the beginning of August is 26.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23 °C by the end of August.
Gunma experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 293.8 mm.
Is August a good time to visit Gunma? check out the best time to travel to Gunma page.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
Gunma Weather August
What’s the Weather Like in Gunma This August?
Temperatures trend during August in Gunma
August weather in Gunma day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 25° /17° | 1.3 mm | 2.9 | |
| 2 Aug. |  Moderate rain | 22° /19° | 13.9 mm | 2.8 | |
| 3 Aug. | Patchy rain possible | 30° /20° | 2.9 mm | 3 | |
| 4 Aug. | Moderate rain | 28° /20° | 7.2 mm | 5 | |
| 5 Aug. | Patchy rain possible | 30° /20° | 0.9 mm | 5 | |
| 6 Aug. | Patchy rain possible | 30° /20° | 0.2 mm | 5 | |
| 7 Aug. |  Heavy rain | 21° /17° | 30.6 mm | 5 | |
| 8 Aug. |  Partly cloudy | 24° /16° | 0.1 mm | 5 | |
| 9 Aug. | Patchy rain possible | 22° /17° | 0.4 mm | 4 | |
| 10 Aug. | Patchy rain possible | 24° /17° | 0.4 mm | 5 | |
| 11 Aug. | Partly cloudy | 25° /15° | 0.1 mm | 5 | |
| 12 Aug. | Patchy rain possible | 25° /18° | 0.1 mm | 5 | |
| 13 Aug. | Patchy rain possible | 28° /19° | 2.6 mm | 5 | |
| 14 Aug. | Light rain shower | 25° /20° | 22 mm | 6 | |
| 15 Aug. | Light rain shower | 25° /19° | 9.2 mm | 6 | |
| 16 Aug. | Light rain shower | 23° /19° | 5.1 mm | 5 | |
| 17 Aug. | Patchy rain possible | 29° /19° | 0.4 mm | 6 | |
| 18 Aug. | Light rain shower | 28° /19° | 5.5 mm | 6 | |
| 19 Aug. |  Patchy light rain with thunder | 28° /19° | 17.5 mm | 6 | |
| 20 Aug. | Patchy rain possible | 28° /18° | 5.2 mm | 6 | |
| 21 Aug. | Patchy rain possible | 26° /18° | 5.1 mm | 6 | |
| 22 Aug. | Light rain shower | 24° /19° | 7.2 mm | 5 | |
| 23 Aug. | Patchy light rain with thunder | 28° /20° | 7.5 mm | 6 | |
| 24 Aug. | Patchy light rain with thunder | 28° /20° | 18.9 mm | 6 | |
| 25 Aug. |  Moderate or heavy rain shower | 23° /19° | 31.5 mm | 5 | |
| 26 Aug. | Light rain shower | 24° /18° | 9.8 mm | 5 | |
| 27 Aug. | Light rain shower | 22° /18° | 6.7 mm | 5 | |
| 28 Aug. | Light rain shower | 24° /17° | 16.3 mm | 5 | |
| 29 Aug. | Light rain shower | 22° /17° | 13.8 mm | 5 | |
| 30 Aug. | Light rain shower | 21° /19° | 21.3 mm | 5 | |
| 31 Aug. | Light rain shower | 25° /19° | 2.5 mm | 6 | |
| Next | |||||
Gunma in August - FAQ
What to pack to Gunma in August?
As you prepare for your trip to Gunma in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Gunma, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
August rainfall patterns in Gunma
UV exposure in Gunma during August
Quick links
Where is Gunma?Get accurate weather forecasts for Gunma, located at latitude 36.617 and longitude 138.6. Stay updated with localized weather information tailored for Gunma.