Average annual temperature is 17.2 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -3.6 °C
Number of sunny days: 149 days
Number of rainy days: 215 days
Number of snow days: 1 day
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) | 16.1 | 19.4 | 25.0 | 26.4 | 29.9 | 32.1 | 35.5 | 35.7 | 32.7 | 32.0 | 25.7 | 23.4 |
| Average daytime temperature (°C) | 10.0 | 11.4 | 16.6 | 19.9 | 21.8 | 26.1 | 31.7 | 31.8 | 29.8 | 22.9 | 19.3 | 14.2 |
| Average temperature (°C) | 5.6 | 7.3 | 12.5 | 15.9 | 18.2 | 22.3 | 27.1 | 27.7 | 26.1 | 18.3 | 15.0 | 9.5 |
| Average night temperature (°C) | 2.0 | 3.6 | 9.1 | 12.7 | 15.1 | 19.4 | 23.7 | 24.9 | 23.5 | 14.4 | 11.7 | 5.5 |
| Absolute minimum temperature (°C) | -3.6 | -2.0 | 1.6 | 6.2 | 10.6 | 16.1 | 20.7 | 22.3 | 19.3 | 10.7 | 5.4 | -0.6 |
| 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) | 6.5 | 6.8 | 7.4 | 8.8 | 8.4 | 7.0 | 10.8 | 11.5 | 9.0 | 8.9 | 7.3 | 7.4 |
| Precipitation (mm) | 57 | 91 | 157 | 159 | 136 | 254 | 43 | 120 | 200 | 138 | 81 | 42 |
| Sunny days | 18 | 13 | 8 | 12 | 12 | 7 | 21 | 3 | 5 | 15 | 16 | 19 |
| Rainy days | 13 | 14 | 23 | 18 | 19 | 23 | 10 | 28 | 25 | 16 | 14 | 12 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ichinono during the most sunny months:
The largest precipitation sum in Ichinono is at