Yamanashi (Fujikawaguchiko)
December
Weather in Yamanashi for December 2026
Your guide to Yamanashi weather in December - trends and predictions
With an average of 3 snowy days, Yamanashi usually enjoys a light touch of snow in December.
In general, the average temperature in Yamanashi at the beginning of December is 8.8 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 5.3 °C by the end of December.
With an average of 4 rainy days, Yamanashi experiences minimal rainfall in December.
Is December a good time to visit Yamanashi? check out the best time to travel to Yamanashi page.
✨ Is December a good time to visit Yamanashi? – Ask the AI Weatherman
Snow Forecast ❄️
Temperatures
Rain 🌧️
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24
Dry days
4
Rainy days
3
Snow days
7°/-2°
Temperatures
8 km/h
Avg max wind
68 %
Avg humidity
Yamanashi Weather December
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What’s the Weather Like in Yamanashi This December?
Discover the average temperatures and weather trends across Yamanashi’s cities this December.
Temperatures trend during December in Yamanashi
See the weather trend as well as the moving average line
December weather in Yamanashi day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. |  Moderate rain | 11° /0° | 17.1 mm | 0 cm | |
| 2 Dec. |  Partly cloudy | 9° /0° | 0.4 mm | 0 cm | |
| 3 Dec. |  Sunny | 10° /-2° | 0 mm | 0 cm | |
| 4 Dec. | Sunny | 8° /-1° | 0 mm | 0 cm | |
| 5 Dec. |  Patchy rain possible | 7° /-1° | 1.3 mm | 0 cm | |
| 6 Dec. | Sunny | 8° /-1° | 0.7 mm | 0 cm | |
| 7 Dec. | Patchy rain possible | 9° /-1° | 1.4 mm | 0 cm | |
| 8 Dec. |  Light rain | 8° /-1° | 2.9 mm | 0 cm | |
| 9 Dec. | Partly cloudy | 8° /-1° | 0.2 mm | 0 cm | |
| 10 Dec. | Partly cloudy | 9° /0° | 0 mm | 0 cm | |
| 11 Dec. |  Overcast | 9° /0° | 0.9 mm | 0 cm | |
| 12 Dec. |  Light snow | 8° /0° | 4.9 mm | 0.5 cm | |
| 13 Dec. | Patchy rain possible | 7° /0° | 1.9 mm | 0.1 cm | |
| 14 Dec. | Light rain | 7° /-2° | 2.7 mm | 0 cm | |
| 15 Dec. | Patchy rain possible | 7° /-2° | 1.4 mm | 0 cm | |
| 16 Dec. | Sunny | 8° /-1° | 0.4 mm | 0 cm | |
| 17 Dec. | Light rain | 6° /-2° | 4.7 mm | 0.4 cm | |
| 18 Dec. | Sunny | 4° /-4° | 0.4 mm | 0.2 cm | |
| 19 Dec. | Sunny | 4° /-5° | 0.3 mm | 0.1 cm | |
| 20 Dec. | Patchy rain possible | 5° /-4° | 2.3 mm | 0 cm | |
| 21 Dec. | Overcast | 6° /-2° | 0.6 mm | 0.1 cm | |
| 22 Dec. | Light rain | 5° /-4° | 4.2 mm | 0.2 cm | |
| 23 Dec. | Overcast | 3° /-5° | 0 mm | 0 cm | |
| 24 Dec. | Light rain | 5° /-4° | 5 mm | 0.6 cm | |
| 25 Dec. | Patchy rain possible | 7° /-3° | 1.8 mm | 0.8 cm | |
| 26 Dec. | Sunny | 5° /-4° | 0.5 mm | 0 cm | |
| 27 Dec. | Sunny | 4° /-4° | 0.3 mm | 0.2 cm | |
| 28 Dec. | Sunny | 6° /-4° | 0.2 mm | 0 cm | |
| 29 Dec. | Sunny | 6° /-3° | 0 mm | 0 cm | |
| 30 Dec. | Light rain | 7° /-3° | 2.9 mm | 0 cm | |
| 31 Dec. | Patchy rain possible | 4° /-4° | 1.3 mm | 0 cm | |
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Important Notice
Our weather forecast for Yamanashi in December 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 December vs November vs January
Compare December 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.
| November | December | January | |
|---|---|---|---|
| Weather | Patchy rain possible | Sunny | Sunny |
| Temperatures | 12°/3° | 7°/-2° | 4°/-5° |
| Rainfall | 117 mm | 61 mm | 56 mm |
| Snowfall | 1 cm | 3 cm | 21 cm |
| Wind | 7.4 km/h | 8.2 km/h | 8.6 km/h |
| Humidity | 78% | 68% | 67% |
| Rainy days | 9 days | 4 days | 3 days |
| Snow days | 1 days | 3 days | 7 days |
| Dry days | 20 days | 24 days | 21 days |
Planning a trip to Yamanashi? Discover the best time to visit
Yamanashi in December - FAQ
What are the expected maximum and minimum temperatures in Yamanashi during December?
Prepare for cooler days with highs just around 7° and colder nights, dipping below -2°.
How much rainfall should be expected in Yamanashi during December?
Moderate rainfall is anticipated in Yamanashi during December, with a total of 60.8 mm spread over approximately 4 days. Considering plans for rainy days is advisable.
Will it snow in Yamanashi in December 2026?
Yamanashi experiences an average snowfall of 3.4 cm during December, occurring over 3 days.
What are the typical wind conditions in Yamanashi during December?
The average wind speed in Yamanashi during December is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
Yamanashi snow forecast December 2026
Track daily snowfall levels and discover Yamanashi’s snowy potential this December ❄️
On average, Yamanashi sees 3 snowy days during December, with approximately 3.4 cm of total snowfall.
December rainfall patterns in Yamanashi
Explore the daily rainfall trends and prepare for Yamanashis December weather 💧
Typically, Yamanashi has 4 rainy days in December with a total of 60.8 mm of rainfall.
What to pack to Yamanashi in December?
Cold & raw · highs around 7 °C, frequent showers
As you prepare for your trip to Yamanashi in December, 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 December, is comfortable and enjoyable, regardless of the weather conditions.
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