Average annual temperature is 16.0 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -4.0 °C
Number of sunny days: 166 days
Number of rainy days: 199 days
Look at detailed online map of Ichinono
* Weather data for Ichinono 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) | 18.7 | 16.5 | 24.5 | 24.4 | 27.5 | 31.9 | 34.0 | 33.9 | 35.9 | 28.3 | 25.6 | 20.7 |
| Average daytime temperature (°C) | 11.0 | 11.9 | 17.5 | 20.0 | 23.0 | 26.1 | 30.6 | 30.0 | 29.6 | 23.7 | 18.5 | 13.2 |
| Average temperature (°C) | 5.1 | 6.3 | 11.5 | 14.6 | 18.2 | 21.8 | 26.0 | 26.0 | 24.9 | 16.9 | 12.2 | 7.4 |
| Average night temperature (°C) | 0.6 | 1.6 | 6.2 | 9.3 | 13.7 | 18.2 | 22.1 | 23.2 | 21.2 | 11.3 | 7.4 | 3.0 |
| Absolute minimum temperature (°C) | -4.0 | -3.7 | -3.7 | 3.3 | 7.1 | 12.5 | 17.0 | 20.9 | 16.6 | 6.0 | 0.0 | -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 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| 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) | 7.7 | 7.2 | 8.2 | 8.0 | 8.3 | 6.2 | 10.0 | 7.8 | 9.2 | 8.9 | 8.0 | 7.3 |
| Precipitation (mm) | 65 | 67 | 199 | 247 | 247 | 493 | 119 | 642 | 153 | 21 | 83 | 55 |
| Sunny days | 19 | 16 | 15 | 18 | 12 | 9 | 4 | 3 | 4 | 26 | 20 | 20 |
| Rainy days | 12 | 12 | 16 | 12 | 19 | 21 | 27 | 28 | 26 | 5 | 10 | 11 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ichinono is at