Average annual temperature is 15.7 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 159 days
Number of rainy days: 203 days
Number of snow days: 3 days
Look at detailed online map of Imawatari
* Weather data for Imawatari 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) | 14.6 | 15.1 | 22.0 | 26.4 | 29.2 | 30.0 | 36.1 | 36.7 | 33.5 | 26.4 | 25.2 | 18.2 |
| Average daytime temperature (°C) | 8.4 | 9.9 | 16.6 | 19.3 | 23.1 | 26.2 | 31.5 | 32.4 | 29.8 | 21.8 | 16.6 | 11.3 |
| Average temperature (°C) | 3.2 | 4.8 | 10.9 | 14.1 | 18.2 | 22.1 | 26.8 | 27.8 | 25.4 | 16.3 | 11.8 | 6.4 |
| Average night temperature (°C) | -0.9 | 0.6 | 6.0 | 9.5 | 13.8 | 18.3 | 22.8 | 24.1 | 21.8 | 12.0 | 7.8 | 2.5 |
| Absolute minimum temperature (°C) | -5.5 | -3.6 | -0.9 | 3.6 | 7.0 | 12.5 | 19.7 | 22.2 | 17.3 | 7.4 | 0.3 | -2.5 |
| 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) | 7.4 | 7.5 | 8.4 | 8.1 | 8.7 | 7.5 | 10.0 | 10.4 | 9.4 | 8.4 | 7.8 | 7.0 |
| Precipitation (mm) | 36 | 66 | 133 | 156 | 253 | 377 | 203 | 153 | 159 | 83 | 106 | 83 |
| Sunny days | 14 | 15 | 17 | 15 | 16 | 8 | 11 | 7 | 9 | 19 | 15 | 13 |
| Rainy days | 15 | 13 | 14 | 15 | 15 | 22 | 20 | 24 | 21 | 12 | 15 | 17 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Imawatari is at