Yamanashi
August
Weather in Yamanashi for August 2025
Your guide to Yamanashi weather in August - trends and predictions
In general, the average temperature in Yamanashi at the beginning of August is 27.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 25.4 °C by the end of August.
Yamanashi experiences an exceptionally high level of rainfall in August, with more than 24 rainy days on average.
Is August a good time to visit Yamanashi? check out the best time to travel to Yamanashi page.
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2
Dry days
29
Rainy days
0
Snow days
27°/18°
Temperatures
6 km/h
Avg max wind
87 %
Avg humidity
Yamanashi in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2 30° | 3 29° | ||||
| 4  27° | 5 27° | 6 27° | 7 25° | 8 25° | 9 26° | 10 28° |
| 11 30° | 12 28° | 13 27° | 14 25° | 15 28° | 16  21° | 17  32° |
| 18 27° | 19  27° | 20  29° | 21 27° | 22 25° | 23 28° | 24 26° |
| 25 24° | 26 27° | 27 23° | 28 25° | 29 27° | 30 25° | 31 27° |
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Temperatures trend during August in Yamanashi
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Light rain shower | 28° /18° | 2.3 mm | 6 | |
| 2 Aug. | Patchy rain possible | 30° /17° | 0.3 mm | 6 | |
| 3 Aug. | Light rain shower | 29° /19° | 2.2 mm | 6 | |
| 4 Aug. | Moderate or heavy rain shower | 27° /18° | 18.5 mm | 6 | |
| 5 Aug. | Light rain shower | 27° /18° | 26.5 mm | 6 | |
| 6 Aug. | Light rain shower | 27° /18° | 17.6 mm | 6 | |
| 7 Aug. | Light rain shower | 25° /19° | 19.2 mm | 6 | |
| 8 Aug. | Light rain shower | 25° /18° | 14.3 mm | 6 | |
| 9 Aug. | Light rain shower | 26° /18° | 13.9 mm | 6 | |
| 10 Aug. | Light rain shower | 28° /17° | 5.8 mm | 6 | |
| 11 Aug. | Light rain shower | 30° /19° | 1.4 mm | 7 | |
| 12 Aug. | Light rain shower | 28° /19° | 6 mm | 6 | |
| 13 Aug. | Light rain shower | 27° /19° | 9.1 mm | 6 | |
| 14 Aug. | Light rain shower | 25° /18° | 22 mm | 6 | |
| 15 Aug. | Patchy rain possible | 28° /18° | 1.8 mm | 6 | |
| 16 Aug. | Moderate rain | 21° /18° | 38.2 mm | 5 | |
| 17 Aug. | Patchy light drizzle | 32° /18° | 1.4 mm | 7 | |
| 18 Aug. | Light rain shower | 27° /20° | 8.6 mm | 6 | |
| 19 Aug. | Patchy light rain with thunder | 27° /18° | 15.5 mm | 6 | |
| 20 Aug. | Fog | 29° /18° | 11.9 mm | 6 | |
| 21 Aug. | Light rain shower | 27° /17° | 8.9 mm | 6 | |
| 22 Aug. | Light rain shower | 25° /18° | 13.8 mm | 6 | |
| 23 Aug. | Light rain shower | 28° /17° | 3.8 mm | 6 | |
| 24 Aug. | Light rain shower | 26° /19° | 16.2 mm | 6 | |
| 25 Aug. | Light rain shower | 24° /18° | 5.1 mm | 5 | |
| 26 Aug. | Light rain shower | 27° /16° | 5.1 mm | 6 | |
| 27 Aug. | Light rain shower | 23° /16° | 6.5 mm | 5 | |
| 28 Aug. | Light rain shower | 25° /17° | 11.8 mm | 6 | |
| 29 Aug. | Patchy rain possible | 27° /16° | 3 mm | 6 | |
| 30 Aug. | Moderate or heavy rain shower | 25° /16° | 18.6 mm | 6 | |
| 31 Aug. | Mist | 27° /16° | 1.5 mm | 6 | |
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Important Notice
Our weather forecast for Yamanashi in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Yamanashi forecast closer to your planned date for the most up-to-date weather information.
Yamanashi in August - FAQ
What are the expected maximum and minimum temperatures in Yamanashi during August?
During August, expect a variety of temperatures with highs around 27° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Yamanashi during August?
Significant rainfall exceeding 314.9 mm is expected in Yamanashi during August, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Yamanashi during August?
The average wind speed in Yamanashi during August is 6 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Yamanashi in August?
As you prepare for your trip to Yamanashi 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 Yamanashi, 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 Yamanashi
Explore the daily rainfall trends and prepare for Yamanashis August weather 💧
UV exposure in Yamanashi during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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