Average annual temperature is 14.5 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -7.2 °C
Number of sunny days: 123 days
Number of rainy days: 221 days
Number of snow days: 21 days
Look at detailed online map of Izumi
* Weather data for Izumi 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) | 14.4 | 15.7 | 21.0 | 26.9 | 30.7 | 31.1 | 35.3 | 37.0 | 35.1 | 25.7 | 24.9 | 18.2 |
| Average daytime temperature (°C) | 6.0 | 7.4 | 14.7 | 18.5 | 21.3 | 25.3 | 30.4 | 33.7 | 28.6 | 20.4 | 15.4 | 10.4 |
| Average temperature (°C) | 2.1 | 3.0 | 8.5 | 12.5 | 15.8 | 20.9 | 25.8 | 28.4 | 24.3 | 15.3 | 10.8 | 6.0 |
| Average night temperature (°C) | -1.5 | -0.6 | 3.4 | 7.6 | 10.7 | 17.1 | 21.6 | 24.2 | 21.0 | 11.0 | 6.9 | 2.7 |
| Absolute minimum temperature (°C) | -7.2 | -4.8 | -2.3 | 1.7 | 2.5 | 11.0 | 17.4 | 22.2 | 13.0 | 6.1 | -0.1 | -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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 7.1 | 8.0 | 8.8 | 8.4 | 7.5 | 9.7 | 11.5 | 7.8 | 8.7 | 6.6 | 6.8 |
| Precipitation (mm) | 56 | 78 | 76 | 64 | 164 | 211 | 77 | 73 | 215 | 60 | 153 | 72 |
| Sunny days | 7 | 9 | 17 | 17 | 12 | 7 | 8 | 10 | 5 | 13 | 11 | 7 |
| Rainy days | 13 | 11 | 14 | 13 | 19 | 23 | 23 | 21 | 25 | 18 | 19 | 22 |
| Snow days | 11 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Izumi during the most sunny months:
The largest precipitation sum in Izumi is at