Yamanashi (Fujikawaguchiko)
August
Weather in Yamanashi for August 2025
Your guide to Yamanashi weather in August - trends and predictions
Until now, August 2025 in Yamanashi has been nearly identical to the historical average, with a temperature of 27.1 °C (showing only a slight deviation of 0.3 °C).
In general, the average temperature in Yamanashi at the beginning of August is 28 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 26.4 °C by the end of August.
Yamanashi experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 285.2 mm.
Is August a good time to visit Yamanashi? check out the best time to travel to Yamanashi page.
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Temperatures
Rain 🌧️
More
1
Dry days
30
Rainy days
0
Snow days
26°/18°
Temperatures
7 km/h
Avg max wind
86 %
Avg humidity
Yamanashi Weather August
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What’s the Weather Like in Yamanashi This August?
Discover the average temperatures and weather trends across Yamanashi’s cities this August.
Temperatures trend during August in Yamanashi
See the weather trend as well as the moving average line
August weather in Yamanashi day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 28° /17° | 3.8 mm | 6 | |
| 2 Aug. |  Heavy rain at times | 31° /18° | 2.9 mm | 7 | |
| 3 Aug. | Light rain shower | 29° /18° | 2.9 mm | 6 | |
| 4 Aug. |  Moderate or heavy rain shower | 28° /18° | 9.4 mm | 6 | |
| 5 Aug. |  Sunny | 28° /18° | 9.7 mm | 6 | |
| 6 Aug. | Patchy rain possible | 27° /18° | 8.7 mm | 6 | |
| 7 Aug. | Heavy rain at times | 25° /18° | 8.4 mm | 6 | |
| 8 Aug. | Patchy rain possible | 27° /17° | 13.5 mm | 6 | |
| 9 Aug. | Moderate or heavy rain shower | 26° /18° | 16.7 mm | 6 | |
| 10 Aug. | Light rain shower | 27° /17° | 5.4 mm | 6 | |
| 11 Aug. | Light rain shower | 27° /18° | 4.1 mm | 6 | |
| 12 Aug. | Moderate or heavy rain shower | 26° /18° | 8.8 mm | 6 | |
| 13 Aug. | Moderate or heavy rain shower | 25° /17° | 26.2 mm | 6 | |
| 14 Aug. | Moderate or heavy rain shower | 25° /17° | 21.1 mm | 6 | |
| 15 Aug. | Moderate or heavy rain shower | 25° /17° | 25 mm | 6 | |
| 16 Aug. | Heavy rain at times | 24° /17° | 11.3 mm | 5 | |
| 17 Aug. | Moderate or heavy rain shower | 27° /17° | 8.1 mm | 6 | |
| 18 Aug. | Moderate rain at times | 27° /18° | 6.4 mm | 6 | |
| 19 Aug. |  Patchy light rain with thunder | 28° /17° | 6.7 mm | 6 | |
| 20 Aug. | Patchy rain possible | 28° /17° | 6 mm | 6 | |
| 21 Aug. | Moderate or heavy rain shower | 28° /18° | 5.7 mm | 6 | |
| 22 Aug. | Light rain shower | 25° /18° | 5.3 mm | 6 | |
| 23 Aug. | Moderate or heavy rain shower | 27° /18° | 5.5 mm | 6 | |
| 24 Aug. | Moderate or heavy rain shower | 26° /18° | 8 mm | 6 | |
| 25 Aug. | Light rain shower | 26° /18° | 5.2 mm | 5 | |
| 26 Aug. | Patchy rain possible | 27° /17° | 4.7 mm | 6 | |
| 27 Aug. | Heavy rain at times | 27° /17° | 4.5 mm | 6 | |
| 28 Aug. | Light rain shower | 26° /17° | 10.6 mm | 6 | |
| 29 Aug. | Moderate rain at times | 26° /16° | 2.4 mm | 6 | |
| 30 Aug. |  Cloudy | 25° /16° | 10.5 mm | 6 | |
| 31 Aug. |  Moderate rain | 28° /19° | 8.5 mm | 2.1 | |
| Next | |||||
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.
Change Month
Yamanashi weather in August vs July vs September
Compare August weather in Yamanashi with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| July | August | September | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 27°/17° | 26°/18° | 23°/15° |
| Rainfall | 292 mm | 285 mm | 283 mm |
| Wind | 6.6 km/h | 7 km/h | 7 km/h |
| Humidity | 84% | 86% | 88% |
| Rainy days | 30 days | 30 days | 28 days |
| Dry days | 1 days | 1 days | 2 days |
Planning a trip to Yamanashi? Discover the best time to visit
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 26° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Yamanashi during August?
Significant rainfall exceeding 285.2 mm is expected in Yamanashi during August, occurring over more than 30 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 7 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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