Weather in Niigata for August 2025
The forecast for the first days of August 2025 in Niigata predicts temperatures to be around 30 °C, close to the historical average.
In general, the average temperature in Niigata at the beginning of August is 31.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.9 °C by the end of August.
Niigata in August brings notable rainfall, with an average of 18 rainy days and a total precipitation of 77.5 mm.
Is August a good time to visit Niigata? check out the best time to travel to Niigata page.
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Niigata Weather August
Temperatures trend during August in Niigata
August weather in Niigata day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 33° /23° | 0 mm | 2.7 | |
| 2 Aug. | Sunny | 34° /26° | 0 mm | 2.8 | |
| 3 Aug. |  Patchy rain possible | 32° /27° | 2.4 mm | 3 | |
| 4 Aug. | Patchy rain possible | 31° /26° | 4.8 mm | 6 | |
| 5 Aug. |  Partly cloudy | 31° /26° | 0 mm | 7 | |
| 6 Aug. |  Moderate rain | 31° /27° | 7 mm | 6 | |
| 7 Aug. | Moderate rain | 28° /25° | 5 mm | 6 | |
| 8 Aug. | Patchy rain possible | 26° /23° | 0.4 mm | 5 | |
| 9 Aug. | Partly cloudy | 28° /22° | 0 mm | 7 | |
| 10 Aug. | Moderate rain | 28° /24° | 15.9 mm | 6 | |
| 11 Aug. | Patchy rain possible | 27° /24° | 0.1 mm | 6 | |
| 12 Aug. | Sunny | 27° /22° | 0 mm | 6 | |
| 13 Aug. | Partly cloudy | 29° /24° | 0 mm | 7 | |
| 14 Aug. | Light rain shower | 28° /25° | 1.5 mm | 6 | |
| 15 Aug. | Patchy rain possible | 28° /24° | 0.7 mm | 6 | |
| 16 Aug. | Patchy rain possible | 30° /25° | 0 mm | 7 | |
| 17 Aug. | Light rain shower | 28° /25° | 10.1 mm | 6 | |
| 18 Aug. | Light rain shower | 27° /25° | 1.1 mm | 6 | |
| 19 Aug. | Sunny | 28° /24° | 0 mm | 7 | |
| 20 Aug. | Light rain shower | 28° /25° | 3.6 mm | 6 | |
| 21 Aug. | Light rain shower | 27° /24° | 4.7 mm | 6 | |
| 22 Aug. | Patchy rain possible | 29° /24° | 0.2 mm | 6 | |
| 23 Aug. | Patchy rain possible | 31° /24° | 5.4 mm | 7 | |
| 24 Aug. |  Patchy light drizzle | 30° /27° | 6.6 mm | 7 | |
| 25 Aug. |  Moderate or heavy rain shower | 28° /25° | 11.5 mm | 6 | |
| 26 Aug. | Light rain shower | 28° /24° | 5.2 mm | 6 | |
| 27 Aug. | Light rain shower | 30° /24° | 1.3 mm | 7 | |
| 28 Aug. | Light rain shower | 28° /24° | 6.4 mm | 6 | |
| 29 Aug. | Light rain shower | 26° /25° | 6.2 mm | 6 | |
| 30 Aug. | Patchy rain possible | 26° /24° | 0.7 mm | 6 | |
| 31 Aug. | Patchy rain possible | 29° /25° | 0.9 mm | 6 | |
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Niigata in August - FAQ
What to pack to Niigata in August?
As you prepare for your trip to Niigata 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 Niigata, 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 Niigata
UV exposure in Niigata during August
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Where is Niigata?Get accurate weather forecasts for Niigata, located at latitude 37.886 and longitude 139.006. Stay updated with localized weather information tailored for Niigata.