Click on a day for an hourly weather forecast
The weather in Otaru in December is very cold with temperatures between -7°C and 0°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Otaru 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.
Let it snow! You can expect Otaru to be covered in white during the month of December. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in Otaru in December 2024.
If you’re planning to visit Otaru in the near future, we highly recommend that you review the 14 day weather forecast for Otaru before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -10° | 4 | 1 | 28 | 172 mm | Awful | Otaru in January |
| February | -2° / -10° | 4 | 1 | 25 | 134 mm | Awful | Otaru in February |
| March | 2° / -7° | 7 | 4 | 21 | 125 mm | Awful | Otaru in March |
| April | 8° / -1° | 8 | 15 | 7 | 100 mm | Awful | Otaru in April |
| May | 15° / 5° | 8 | 22 | 0 | 130 mm | Ok | Otaru in May |
| June | 19° / 9° | 8 | 22 | 0 | 161 mm | Ok | Otaru in June |
| July | 24° / 14° | 10 | 21 | 0 | 213 mm | Good | Otaru in July |
| August | 24° / 16° | 11 | 20 | 0 | 253 mm | Good | Otaru in August |
| September | 21° / 12° | 7 | 23 | 0 | 202 mm | Ok | Otaru in September |
| October | 14° / 6° | 8 | 22 | 1 | 149 mm | Ok | Otaru in October |
| November | 7° / -1° | 10 | 8 | 12 | 187 mm | Awful | Otaru in November |
| December | 0° / -7° | 6 | 2 | 26 | 207 mm | Awful | Otaru in December |