Average annual temperature is 9.9 °C
Absolute maximum temperature: 29.5 °C
Absolute minimum temperature: -14.8 °C
Number of sunny days: 114 days
Number of rainy days: 207 days
Number of snow days: 44 days
Look at detailed online map of Ōizumi
* Weather data for Ōizumi 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) | 7.1 | 5.7 | 12.2 | 15.2 | 17.8 | 22.3 | 27.4 | 29.5 | 27.8 | 21.5 | 17.9 | 11.1 |
| Average daytime temperature (°C) | -0.3 | 0.0 | 6.8 | 10.1 | 14.3 | 18.7 | 23.0 | 26.2 | 23.4 | 15.9 | 10.2 | 2.7 |
| Average temperature (°C) | -3.9 | -3.1 | 3.5 | 7.2 | 11.2 | 16.5 | 20.6 | 24.2 | 20.8 | 13.1 | 7.3 | 0.0 |
| Average night temperature (°C) | -6.8 | -6.9 | 0.4 | 4.3 | 8.4 | 14.2 | 18.8 | 22.5 | 18.5 | 10.4 | 4.5 | -2.6 |
| Absolute minimum temperature (°C) | -12.6 | -14.8 | -4.4 | -1.4 | 2.8 | 8.4 | 14.7 | 17.9 | 13.9 | 4.2 | -4.6 | -8.3 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 7.8 | 8.6 | 8.0 | 9.8 | 8.3 | 10.1 | 9.0 | 7.0 | 8.3 | 6.3 | 6.2 |
| Precipitation (mm) | 40 | 45 | 107 | 210 | 66 | 78 | 113 | 160 | 190 | 136 | 207 | 49 |
| Sunny days | 14 | 9 | 11 | 7 | 13 | 9 | 12 | 3 | 7 | 11 | 6 | 12 |
| Rainy days | 5 | 4 | 17 | 23 | 18 | 21 | 19 | 28 | 23 | 20 | 22 | 7 |
| Snow days | 12 | 15 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 12 |
The best time to visit Ōizumi during the most sunny months:
The largest precipitation sum in Ōizumi is at