Average annual temperature is 13.9 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -9.6 °C
Number of sunny days: 140 days
Number of rainy days: 220 days
Number of snow days: 5 days
Look at detailed online map of Ōsegi
* Weather data for Ōsegi 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) | 12.8 | 13.6 | 21.3 | 23.8 | 29.3 | 29.3 | 33.6 | 32.1 | 30.8 | 27.7 | 23.1 | 18.0 |
| Average daytime temperature (°C) | 7.4 | 8.6 | 13.8 | 17.2 | 20.1 | 24.0 | 29.3 | 29.9 | 27.6 | 20.1 | 16.1 | 11.2 |
| Average temperature (°C) | 2.6 | 4.1 | 9.0 | 12.5 | 15.4 | 19.8 | 24.5 | 24.9 | 22.9 | 14.5 | 10.5 | 5.6 |
| Average night temperature (°C) | -1.2 | -0.3 | 4.3 | 8.2 | 10.8 | 16.2 | 20.2 | 21.0 | 19.0 | 9.6 | 6.3 | 1.3 |
| Absolute minimum temperature (°C) | -6.5 | -9.6 | -2.6 | 0.7 | 3.8 | 10.6 | 16.2 | 17.9 | 12.7 | 5.2 | -0.2 | -5.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 7.0 | 8.0 | 8.4 | 8.4 | 7.0 | 9.8 | 10.8 | 9.4 | 8.8 | 7.5 | 7.4 |
| Precipitation (mm) | 62 | 135 | 237 | 220 | 291 | 579 | 82 | 262 | 181 | 142 | 130 | 80 |
| Sunny days | 12 | 13 | 11 | 12 | 12 | 6 | 13 | 7 | 6 | 11 | 15 | 22 |
| Rainy days | 15 | 14 | 20 | 18 | 19 | 24 | 18 | 24 | 24 | 20 | 15 | 9 |
| Snow days | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ōsegi during the most sunny months:
The largest precipitation sum in Ōsegi is at