Weather in Yamanashi for October 2026
So far, October 2026 in Yamanashi shows a warmer trend than usual by 2.1 °C.
The forecast for the coming days of October 2026 predicts a temperature of 17 °C , which is warmer than usual.
In general, the average temperature in Yamanashi at the beginning of October is 19.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 14.3 °C by the end of October.
The climate of Yamanashi in October is notably wet, with an average of 14 rainy days, and a total of 159.9 mm of precipitation.
Is October a good time to visit Yamanashi? check out the best time to travel to Yamanashi page.
✨ Is October a good time to visit Yamanashi? – Ask the AI Weatherman
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Yamanashi Weather October
What’s the Weather Like in Yamanashi This October?
Temperatures trend during October in Yamanashi
October weather in Yamanashi day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Moderate rain | 21° /13° | 11.1 mm | 5 | |
| 2 Oct. |  Patchy rain possible | 22° /12° | 1.2 mm | 5 | |
| 3 Oct. | Patchy rain possible | 20° /12° | 2.2 mm | 4 | |
| 4 Oct. |  Light rain | 19° /12° | 7.9 mm | 4 | |
| 5 Oct. |  Moderate or heavy rain shower | 20° /12° | 9.9 mm | 4 | |
| 6 Oct. | Light rain | 20° /11° | 5.7 mm | 4 | |
| 7 Oct. | Light rain | 16° /11° | 7.6 mm | 3 | |
| 8 Oct. | Light rain | 19° /10° | 6.5 mm | 4 | |
| 9 Oct. | Moderate rain | 16° /10° | 10.6 mm | 4 | |
| 10 Oct. | Light rain | 18° /9° | 4.6 mm | 4 | |
| 11 Oct. |  Partly cloudy | 20° /10° | 0.3 mm | 5 | |
| 12 Oct. | Light rain shower | 19° /10° | 1.3 mm | 4 | |
| 13 Oct. | Light rain | 18° /10° | 4.8 mm | 4 | |
| 14 Oct. | Patchy rain possible | 18° /10° | 2.1 mm | 4 | |
| 15 Oct. | Light rain | 19° /10° | 5.8 mm | 4 | |
| 16 Oct. |  Overcast | 19° /10° | 0.7 mm | 4 | |
| 17 Oct. | Light rain | 18° /9° | 3.7 mm | 4 | |
| 18 Oct. | Light rain | 17° /9° | 3.2 mm | 4 | |
| 19 Oct. | Light rain | 17° /9° | 5.7 mm | 3 | |
| 20 Oct. | Light rain | 17° /8° | 4.8 mm | 4 | |
| 21 Oct. | Patchy rain possible | 16° /6° | 1.3 mm | 3 | |
| 22 Oct. | Moderate rain at times | 14° /6° | 6 mm | 3 | |
| 23 Oct. | Overcast | 16° /6° | 0.4 mm | 3 | |
| 24 Oct. | Moderate rain | 15° /11° | 12.8 mm | 0.4 | |
| 25 Oct. | Light rain | 21° /12° | 4 mm | 4 | |
| 26 Oct. |  Heavy rain | 16° /14° | 37 mm | 0.4 | |
| 27 Oct. | Moderate rain | 21° /9° | 16.6 mm | 0.8 | |
| 28 Oct. | Patchy rain possible | 16° /2° | 1.1 mm | 5.3 | |
| 29 Oct. | Patchy rain possible | 14° /2° | 0.3 mm | 3 | |
| 30 Oct. | Moderate rain | 15° /8° | 12.2 mm | 5 | |
| 31 Oct. |  Sunny | 18° /8° | 0.1 mm | 5 | |
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Yamanashi weather in October vs September vs November
| September | October | November | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 23°/15° | 17°/8° | 12°/3° |
| Rainfall | 370 mm | 160 mm | 117 mm |
| Snowfall | 0 cm | 0 cm | 1 cm |
| Wind | 7.1 km/h | 6.9 km/h | 7.4 km/h |
| Humidity | 89% | 85% | 78% |
| Rainy days | 19 days | 14 days | 9 days |
| Snow days | 0 days | 0 days | 1 days |
| Dry days | 11 days | 17 days | 20 days |
Planning a trip to Yamanashi? Discover the best time to visit
Yamanashi in October - FAQ
What are the expected maximum and minimum temperatures in Yamanashi during October?
How much rainfall should be expected in Yamanashi during October?
What are the typical wind conditions in Yamanashi during October?
October rainfall patterns in Yamanashi
UV exposure in Yamanashi during October
What to pack to Yamanashi in October?
Mild & changeable · highs around 17 °C, frequent showers
As you prepare for your trip to Yamanashi in October, 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 October, is comfortable and enjoyable, regardless of the weather conditions.