Average annual temperature is 16.6 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -3.8 °C
Number of sunny days: 189 days
Number of rainy days: 175 days
Number of snow days: 1 day
Look at detailed online map of Oiwake
* Weather data for Oiwake 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) | 14.5 | 13.6 | 20.0 | 21.5 | 26.0 | 29.2 | 34.5 | 35.2 | 32.7 | 29.1 | 25.8 | 18.2 |
| Average daytime temperature (°C) | 9.4 | 9.7 | 14.8 | 17.6 | 21.4 | 24.6 | 29.9 | 32.0 | 30.7 | 23.5 | 17.7 | 12.0 |
| Average temperature (°C) | 5.1 | 5.6 | 10.7 | 14.0 | 18.1 | 21.8 | 26.8 | 28.8 | 26.9 | 18.9 | 13.5 | 8.0 |
| Average night temperature (°C) | 1.4 | 1.6 | 6.8 | 10.1 | 14.9 | 19.2 | 24.0 | 25.9 | 23.6 | 14.9 | 10.1 | 4.6 |
| Absolute minimum temperature (°C) | -3.8 | -2.9 | -0.4 | 4.3 | 8.4 | 14.1 | 20.8 | 23.7 | 20.2 | 10.1 | 4.0 | -0.7 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| 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) | 7.0 | 6.6 | 8.3 | 8.1 | 9.0 | 7.3 | 9.7 | 10.3 | 9.5 | 8.6 | 7.9 | 7.0 |
| Precipitation (mm) | 29 | 45 | 77 | 201 | 230 | 249 | 86 | 176 | 57 | 18 | 48 | 54 |
| Sunny days | 19 | 16 | 19 | 16 | 16 | 11 | 15 | 8 | 11 | 23 | 17 | 18 |
| Rainy days | 11 | 12 | 12 | 14 | 15 | 19 | 16 | 23 | 19 | 8 | 13 | 13 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Oiwake is at