Average annual temperature is 14.5 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -8.9 °C
Number of sunny days: 143 days
Number of rainy days: 209 days
Number of snow days: 13 days
Look at detailed online map of Shimo-irie
* Weather data for Shimo-irie 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) | 15.6 | 14.6 | 21.5 | 23.7 | 28.1 | 28.4 | 34.3 | 34.6 | 31.8 | 25.0 | 24.6 | 18.6 |
| Average daytime temperature (°C) | 7.3 | 8.5 | 15.4 | 17.6 | 21.9 | 25.3 | 29.3 | 31.1 | 28.1 | 20.6 | 15.3 | 9.5 |
| Average temperature (°C) | 2.8 | 4.0 | 9.6 | 12.5 | 17.0 | 20.7 | 25.2 | 26.3 | 23.6 | 15.5 | 10.7 | 5.4 |
| Average night temperature (°C) | -0.8 | 0.4 | 4.8 | 8.4 | 13.1 | 17.1 | 22.0 | 23.0 | 20.5 | 11.7 | 7.0 | 2.3 |
| Absolute minimum temperature (°C) | -8.9 | -3.7 | -3.2 | 3.1 | 7.6 | 10.4 | 18.7 | 21.1 | 16.8 | 7.9 | 0.2 | -3.8 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.6 | 6.3 | 8.0 | 7.9 | 8.6 | 7.7 | 9.0 | 9.6 | 8.6 | 8.4 | 7.5 | 6.1 |
| Precipitation (mm) | 58 | 71 | 72 | 204 | 241 | 205 | 198 | 175 | 81 | 26 | 45 | 54 |
| Sunny days | 12 | 10 | 20 | 16 | 17 | 9 | 5 | 3 | 5 | 21 | 14 | 11 |
| Rainy days | 12 | 16 | 11 | 14 | 14 | 21 | 26 | 28 | 25 | 10 | 15 | 17 |
| Snow days | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The largest precipitation sum in Shimo-irie is at