Average annual temperature is 15.6 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -5.4 °C
Number of sunny days: 139 days
Number of rainy days: 224 days
Number of snow days: 2 days
Look at detailed online map of Shimoizumi
* Weather data for Shimoizumi 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) | 17.2 | 17.0 | 27.3 | 24.9 | 30.2 | 32.0 | 34.3 | 33.9 | 32.6 | 29.8 | 25.4 | 21.9 |
| Average daytime temperature (°C) | 10.0 | 11.5 | 16.7 | 19.1 | 22.4 | 25.9 | 31.1 | 30.8 | 29.3 | 22.2 | 17.7 | 13.3 |
| Average temperature (°C) | 4.3 | 6.0 | 11.0 | 13.9 | 17.3 | 21.5 | 26.1 | 26.0 | 24.5 | 16.2 | 12.4 | 7.3 |
| Average night temperature (°C) | 0.0 | 1.2 | 6.1 | 9.0 | 12.9 | 17.7 | 21.6 | 22.4 | 20.6 | 11.0 | 8.2 | 2.4 |
| Absolute minimum temperature (°C) | -5.4 | -5.4 | -2.6 | 2.6 | 6.1 | 12.8 | 18.9 | 19.4 | 14.5 | 6.5 | 1.2 | -2.9 |
| 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 | 14.2 | 13.4 | 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) | 7.7 | 7.5 | 8.0 | 8.4 | 8.5 | 7.1 | 10.4 | 10.4 | 9.6 | 9.1 | 7.5 | 7.5 |
| Precipitation (mm) | 31 | 95 | 226 | 237 | 315 | 670 | 89 | 327 | 193 | 152 | 138 | 128 |
| Sunny days | 18 | 12 | 13 | 15 | 10 | 5 | 6 | 4 | 7 | 12 | 16 | 21 |
| Rainy days | 11 | 16 | 18 | 15 | 21 | 25 | 25 | 27 | 23 | 19 | 14 | 10 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Shimoizumi is at