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The weather in Yamanashi in December is very cold with temperatures between -1°C and 7°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Yamanashi during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Yamanashi can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Yamanashi in December 2024.
If you’re planning to visit Yamanashi in the near future, we highly recommend that you review the 14 day weather forecast for Yamanashi before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -4° | 6 | 22 | 3 | 28 mm | Awful | Yamanashi in January |
| February | 5° / -3° | 7 | 17 | 3 | 47 mm | Awful | Yamanashi in February |
| March | 9° / 0° | 10 | 19 | 2 | 86 mm | Awful | Yamanashi in March |
| April | 14° / 4° | 9 | 21 | 1 | 87 mm | Ok | Yamanashi in April |
| May | 19° / 10° | 9 | 22 | 0 | 75 mm | Ok | Yamanashi in May |
| June | 22° / 14° | 12 | 18 | 0 | 94 mm | Ok | Yamanashi in June |
| July | 26° / 18° | 16 | 16 | 0 | 115 mm | Good | Yamanashi in July |
| August | 27° / 19° | 13 | 18 | 0 | 75 mm | Good | Yamanashi in August |
| September | 23° / 15° | 11 | 19 | 0 | 109 mm | Good | Yamanashi in September |
| October | 17° / 10° | 9 | 22 | 0 | 117 mm | Ok | Yamanashi in October |
| November | 13° / 4° | 6 | 24 | 0 | 50 mm | Ok | Yamanashi in November |
| December | 7° / -1° | 5 | 25 | 1 | 37 mm | Ok | Yamanashi in December |