Average annual temperature is 9.6 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: -13.8 °C
Number of sunny days: 76 days
Number of rainy days: 210 days
Number of snow days: 79 days
Look at detailed online map of Okishinai
* Weather data for Okishinai 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 | 7.2 | 13.8 | 18.2 | 23.7 | 28.4 | 29.5 | 32.2 | 28.2 | 20.8 | 17.9 | 9.9 |
| Average daytime temperature (°C) | -3.2 | -1.0 | 6.4 | 10.7 | 16.7 | 22.3 | 25.4 | 28.5 | 23.6 | 15.7 | 8.2 | 0.0 |
| Average temperature (°C) | -5.4 | -3.2 | 3.0 | 7.2 | 12.5 | 18.3 | 22.0 | 25.2 | 20.1 | 12.1 | 5.2 | -2.3 |
| Average night temperature (°C) | -7.3 | -5.2 | 0.1 | 4.4 | 9.0 | 15.1 | 19.5 | 22.9 | 17.5 | 9.1 | 2.6 | -4.6 |
| Absolute minimum temperature (°C) | -13.8 | -9.2 | -4.3 | -1.2 | 3.3 | 9.6 | 14.4 | 20.3 | 12.0 | 3.1 | -5.6 | -11.2 |
| 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 | 9.1 |
| 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) | 5.3 | 5.6 | 8.0 | 7.9 | 10.7 | 10.4 | 9.3 | 9.5 | 7.9 | 7.4 | 5.1 | 3.3 |
| Precipitation (mm) | 98 | 105 | 61 | 130 | 78 | 134 | 166 | 205 | 162 | 147 | 193 | 139 |
| Sunny days | 2 | 1 | 10 | 6 | 12 | 8 | 10 | 8 | 7 | 7 | 3 | 2 |
| Rainy days | 4 | 4 | 14 | 23 | 19 | 22 | 21 | 23 | 23 | 24 | 19 | 14 |
| Snow days | 25 | 23 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 15 |
The best time to visit Okishinai during the most sunny months:
Months with the longest average daylight duration in Okishinai:
The largest precipitation sum in Okishinai is at