Average annual temperature is 10.1 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -12.3 °C
Number of sunny days: 94 days
Number of rainy days: 202 days
Number of snow days: 69 days
Look at detailed online map of Otaru
* Weather data for Otaru Japan is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 6.9 | 7.3 | 13.2 | 17.7 | 22.7 | 27.7 | 31.0 | 33.2 | 28.7 | 22.2 | 19.8 | 12.4 |
| Average daytime temperature (°C) | -2.7 | -1.1 | 6.3 | 11.3 | 16.6 | 21.5 | 25.3 | 28.9 | 24.0 | 16.4 | 9.4 | 1.1 |
| Average temperature (°C) | -4.4 | -2.8 | 3.2 | 7.6 | 12.4 | 17.8 | 22.3 | 25.6 | 20.6 | 12.9 | 6.1 | -1.2 |
| Average night temperature (°C) | -6.0 | -4.5 | 0.9 | 5.0 | 9.3 | 14.7 | 19.8 | 23.0 | 17.8 | 10.3 | 3.2 | -3.4 |
| Absolute minimum temperature (°C) | -12.3 | -8.0 | -2.7 | -0.7 | 3.2 | 9.3 | 14.6 | 20.4 | 12.6 | 3.4 | -4.9 | -8.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 5.7 | 5.9 | 8.1 | 8.3 | 10.5 | 10.5 | 10.0 | 9.7 | 8.1 | 7.4 | 5.9 | 4.3 |
| Precipitation (mm) | 122 | 139 | 58 | 109 | 63 | 155 | 90 | 195 | 128 | 167 | 132 | 75 |
| Sunny days | 3 | 4 | 14 | 6 | 16 | 7 | 9 | 4 | 10 | 10 | 5 | 6 |
| Rainy days | 6 | 3 | 12 | 24 | 15 | 23 | 22 | 27 | 20 | 21 | 17 | 12 |
| Snow days | 22 | 21 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 13 |
The best time to visit Otaru during the most sunny months:
Months with the longest average daylight duration in Otaru:
The largest precipitation sum in Otaru is at