Average annual temperature is 16.3 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: -6.1 °C
Number of sunny days: 167 days
Number of rainy days: 196 days
Number of snow days: 2 days
Look at detailed online map of Izumi-honchō
* Weather data for Izumi-honchō 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) | 12.7 | 18.0 | 23.9 | 25.4 | 30.4 | 31.8 | 38.9 | 36.8 | 34.7 | 27.1 | 25.1 | 20.8 |
| Average daytime temperature (°C) | 8.5 | 10.7 | 16.9 | 20.2 | 22.5 | 26.5 | 33.5 | 33.0 | 29.9 | 22.2 | 17.9 | 12.8 |
| Average temperature (°C) | 3.6 | 5.6 | 11.9 | 15.1 | 17.7 | 22.3 | 27.9 | 28.1 | 25.6 | 17.4 | 12.6 | 7.5 |
| Average night temperature (°C) | -0.3 | 1.4 | 7.5 | 10.6 | 13.6 | 19.1 | 23.7 | 24.7 | 22.6 | 13.2 | 8.5 | 3.0 |
| Absolute minimum temperature (°C) | -6.1 | -3.7 | 0.7 | 3.9 | 7.6 | 14.1 | 20.2 | 23.4 | 16.7 | 9.5 | 3.0 | -2.1 |
| 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) | 7.3 | 7.6 | 7.5 | 8.7 | 8.5 | 7.4 | 10.6 | 11.2 | 8.8 | 8.6 | 7.1 | 7.7 |
| Precipitation (mm) | 27 | 40 | 146 | 118 | 150 | 331 | 69 | 148 | 223 | 106 | 59 | 33 |
| Sunny days | 18 | 17 | 14 | 13 | 14 | 8 | 10 | 7 | 8 | 18 | 17 | 23 |
| Rainy days | 11 | 11 | 17 | 17 | 17 | 22 | 21 | 24 | 22 | 13 | 13 | 8 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Izumi-honchō during the most sunny months:
The largest precipitation sum in Izumi-honchō is at