Average annual temperature is 16.5 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: -6.0 °C
Number of sunny days: 171 days
Number of rainy days: 192 days
Number of snow days: 2 days
Look at detailed online map of Okegawa
* Weather data for Okegawa 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) | 14.0 | 18.8 | 25.0 | 28.8 | 32.5 | 32.5 | 40.2 | 39.6 | 35.3 | 27.4 | 26.6 | 20.0 |
| Average daytime temperature (°C) | 9.3 | 11.6 | 17.9 | 21.6 | 23.9 | 27.2 | 34.1 | 34.1 | 30.8 | 23.0 | 18.2 | 13.1 |
| Average temperature (°C) | 3.8 | 5.7 | 11.9 | 15.4 | 18.1 | 22.5 | 28.4 | 28.7 | 25.9 | 17.5 | 12.3 | 7.2 |
| Average night temperature (°C) | -0.5 | 1.0 | 6.8 | 10.4 | 13.3 | 18.8 | 23.8 | 24.8 | 22.6 | 13.0 | 7.8 | 2.5 |
| Absolute minimum temperature (°C) | -6.0 | -5.2 | 1.0 | 3.4 | 7.4 | 11.6 | 21.0 | 23.0 | 16.2 | 7.6 | 2.1 | -3.9 |
| 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 | 14.3 | 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) | 7.4 | 8.0 | 7.9 | 8.7 | 9.0 | 7.7 | 10.1 | 10.9 | 8.8 | 8.4 | 7.3 | 7.7 |
| Precipitation (mm) | 18 | 36 | 115 | 57 | 180 | 325 | 50 | 140 | 209 | 94 | 53 | 22 |
| Sunny days | 21 | 19 | 16 | 15 | 14 | 5 | 12 | 7 | 9 | 13 | 19 | 21 |
| Rainy days | 9 | 8 | 15 | 15 | 17 | 25 | 19 | 24 | 21 | 18 | 11 | 10 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Okegawa during the most sunny months:
The largest precipitation sum in Okegawa is at