Click on a day for an hourly weather forecast
The temperatures in Japan in December are quite cold with temperatures between 5°C and 12°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Japan 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 Japan can expect a few days of snow in December.
Our weather forecast can give you a great sense of what weather to expect in Japan in December 2024.
If you’re planning to visit Japan in the near future, we highly recommend that you review the 14 day weather forecast for Japan before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 9° / 2° | 5 | 22 | 4 | 90 mm | Bad | Japan in January |
| February | 10° / 3° | 6 | 18 | 5 | 127 mm | Bad | Japan in February |
| March | 13° / 6° | 8 | 22 | 1 | 192 mm | Bad | Japan in March |
| April | 18° / 10° | 7 | 23 | 0 | 201 mm | Ok | Japan in April |
| May | 23° / 16° | 8 | 23 | 0 | 190 mm | Good | Japan in May |
| June | 25° / 19° | 8 | 22 | 0 | 258 mm | Good | Japan in June |
| July | 29° / 24° | 8 | 23 | 0 | 192 mm | Ok | Japan in July |
| August | 31° / 25° | 7 | 24 | 0 | 158 mm | Ok | Japan in August |
| September | 27° / 21° | 8 | 22 | 0 | 248 mm | Good | Japan in September |
| October | 22° / 15° | 7 | 24 | 0 | 286 mm | Ok | Japan in October |
| November | 17° / 11° | 5 | 25 | 0 | 121 mm | Good | Japan in November |
| December | 12° / 5° | 5 | 25 | 1 | 99 mm | Ok | Japan in December |