Weather in Sendai for August 2025
The forecast for the first days of August 2025 in Sendai predicts temperatures to be around 29 °C, close to the historical average.
In general, the average temperature in Sendai at the beginning of August is 30.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.3 °C by the end of August.
Sendai experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 199.1 mm.
Is August a good time to visit Sendai? check out the best time to travel to Sendai page.
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Sendai Weather August
Temperatures trend during August in Sendai
August weather in Sendai day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 27° /21° | 1.2 mm | 2.1 | |
| 2 Aug. | Patchy rain possible | 28° /24° | 3.9 mm | 2.2 | |
| 3 Aug. | Patchy rain possible | 30° /24° | 4.9 mm | 1.9 | |
| 4 Aug. | Patchy rain possible | 32° /24° | 2 mm | 6 | |
| 5 Aug. |  Sunny | 33° /24° | 0 mm | 7 | |
| 6 Aug. | Patchy rain possible | 32° /24° | 0.6 mm | 6 | |
| 7 Aug. | Patchy rain possible | 31° /23° | 0.2 mm | 6 | |
| 8 Aug. |  Partly cloudy | 27° /21° | 0 mm | 6 | |
| 9 Aug. | Patchy rain possible | 26° /19° | 0.2 mm | 5 | |
| 10 Aug. | Patchy rain possible | 30° /22° | 1.4 mm | 5 | |
| 11 Aug. | Sunny | 30° /21° | 0 mm | 6 | |
| 12 Aug. | Sunny | 29° /20° | 0 mm | 6 | |
| 13 Aug. | Patchy rain possible | 27° /21° | 0.1 mm | 5 | |
| 14 Aug. |  Moderate or heavy rain shower | 30° /25° | 14.3 mm | 7 | |
| 15 Aug. | Light rain shower | 30° /23° | 7.4 mm | 7 | |
| 16 Aug. | Light rain shower | 27° /24° | 4.8 mm | 6 | |
| 17 Aug. | Light rain shower | 29° /23° | 10.3 mm | 6 | |
| 18 Aug. | Patchy rain possible | 27° /23° | 0.6 mm | 6 | |
| 19 Aug. | Patchy rain possible | 28° /24° | 0.9 mm | 6 | |
| 20 Aug. | Patchy rain possible | 30° /22° | 0.2 mm | 7 | |
| 21 Aug. | Patchy rain possible | 23° /21° | 1.4 mm | 5 | |
| 22 Aug. | Patchy rain possible | 26° /22° | 3.7 mm | 6 | |
| 23 Aug. | Light rain shower | 29° /23° | 8.5 mm | 6 | |
| 24 Aug. | Light rain shower | 32° /24° | 5.6 mm | 7 | |
| 25 Aug. | Light rain shower | 24° /22° | 20.4 mm | 5 | |
| 26 Aug. |  Light rain | 28° /22° | 3.4 mm | 6 | |
| 27 Aug. | Patchy rain possible | 29° /23° | 0.1 mm | 6 | |
| 28 Aug. | Light rain shower | 28° /24° | 5.5 mm | 6 | |
| 29 Aug. | Patchy light drizzle | 28° /23° | 2.5 mm | 6 | |
| 30 Aug. | Light rain shower | 24° /21° | 39.9 mm | 5 | |
| 31 Aug. | Light rain shower | 30° /24° | 4.5 mm | 7 | |
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Sendai in August - FAQ
What to pack to Sendai in August?
As you prepare for your trip to Sendai 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 Sendai, 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 Sendai
UV exposure in Sendai during August
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Where is Sendai?Get accurate weather forecasts for Sendai, located at latitude 38.267 and longitude 140.867. Stay updated with localized weather information tailored for Sendai.