Average annual temperature is 16.3 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 181 days
Number of rainy days: 181 days
Number of snow days: 3 days
Look at detailed online map of Isesaki Shi
* Weather data for Isesaki Shi 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) | 13.0 | 17.9 | 23.7 | 30.0 | 32.7 | 31.8 | 40.5 | 38.6 | 34.5 | 26.4 | 27.3 | 19.4 |
| Average daytime temperature (°C) | 8.8 | 10.7 | 17.7 | 21.5 | 24.2 | 27.0 | 34.0 | 33.6 | 30.2 | 22.6 | 17.7 | 12.4 |
| Average temperature (°C) | 3.3 | 5.2 | 11.9 | 15.2 | 18.4 | 22.5 | 28.2 | 28.4 | 25.7 | 17.0 | 11.9 | 6.5 |
| Average night temperature (°C) | -0.9 | 0.9 | 6.8 | 9.8 | 13.5 | 18.8 | 23.6 | 24.8 | 22.5 | 12.4 | 7.5 | 2.2 |
| Absolute minimum temperature (°C) | -5.5 | -3.0 | 0.3 | 3.2 | 6.8 | 12.8 | 21.0 | 23.0 | 15.8 | 8.5 | -0.2 | -4.0 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.4 | 8.1 | 8.2 | 9.2 | 9.1 | 7.6 | 10.0 | 10.2 | 8.6 | 8.7 | 7.9 | 7.6 |
| Precipitation (mm) | 11 | 35 | 94 | 68 | 171 | 294 | 110 | 163 | 197 | 98 | 73 | 17 |
| Sunny days | 21 | 19 | 18 | 18 | 16 | 7 | 11 | 3 | 5 | 18 | 21 | 24 |
| Rainy days | 8 | 8 | 13 | 12 | 15 | 23 | 20 | 28 | 25 | 13 | 9 | 7 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isesaki Shi is at