Average annual temperature is 15.8 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -4.3 °C
Number of sunny days: 163 days
Number of rainy days: 198 days
Number of snow days: 4 days
Look at detailed online map of Imao
* Weather data for Imao 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) | 15.1 | 15.2 | 21.5 | 25.9 | 30.1 | 30.3 | 35.5 | 37.0 | 33.7 | 25.5 | 25.1 | 19.7 |
| Average daytime temperature (°C) | 9.2 | 10.1 | 16.4 | 19.0 | 22.9 | 26.1 | 31.4 | 31.8 | 29.8 | 22.0 | 17.2 | 12.4 |
| Average temperature (°C) | 4.1 | 5.1 | 10.4 | 13.8 | 17.9 | 22.1 | 26.8 | 27.7 | 25.4 | 16.6 | 12.1 | 7.3 |
| Average night temperature (°C) | 0.1 | 1.0 | 5.4 | 9.1 | 13.2 | 18.6 | 22.7 | 24.5 | 22.1 | 12.1 | 8.0 | 3.2 |
| Absolute minimum temperature (°C) | -4.3 | -3.2 | -0.9 | 3.3 | 6.7 | 12.3 | 18.3 | 23.3 | 17.5 | 7.5 | 0.4 | -2.8 |
| 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) | 7.7 | 7.3 | 8.3 | 8.2 | 8.9 | 7.2 | 10.2 | 9.8 | 9.3 | 8.6 | 7.9 | 7.2 |
| Precipitation (mm) | 38 | 69 | 110 | 189 | 224 | 383 | 131 | 211 | 133 | 68 | 95 | 59 |
| Sunny days | 14 | 16 | 18 | 15 | 17 | 11 | 10 | 5 | 6 | 19 | 16 | 16 |
| Rainy days | 14 | 12 | 13 | 15 | 14 | 19 | 21 | 26 | 24 | 12 | 14 | 14 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Imao is at