Average annual temperature is 17.0 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -3.0 °C
Number of sunny days: 137 days
Number of rainy days: 225 days
Number of snow days: 3 days
Look at detailed online map of Oki
* Weather data for Oki 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) | 18.0 | 16.7 | 22.4 | 25.0 | 28.3 | 31.5 | 34.3 | 35.0 | 32.4 | 25.9 | 25.8 | 20.9 |
| Average daytime temperature (°C) | 9.6 | 10.3 | 16.5 | 19.1 | 23.0 | 26.2 | 31.2 | 32.0 | 30.0 | 22.5 | 17.8 | 12.7 |
| Average temperature (°C) | 6.2 | 6.6 | 11.9 | 14.9 | 18.9 | 22.8 | 27.2 | 28.0 | 25.9 | 17.8 | 13.5 | 9.1 |
| Average night temperature (°C) | 3.1 | 3.3 | 7.8 | 11.1 | 15.5 | 19.9 | 24.0 | 25.1 | 22.7 | 14.1 | 9.9 | 5.7 |
| Absolute minimum temperature (°C) | -3.0 | 0.0 | 1.8 | 5.2 | 9.8 | 15.1 | 20.7 | 22.8 | 19.0 | 8.9 | 4.0 | -0.2 |
| 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 | 14.4 | 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) | 7.1 | 7.1 | 8.6 | 8.3 | 9.1 | 6.7 | 10.3 | 9.8 | 9.8 | 8.5 | 7.3 | 7.0 |
| Precipitation (mm) | 100 | 48 | 114 | 262 | 267 | 480 | 74 | 199 | 107 | 103 | 116 | 55 |
| Sunny days | 10 | 13 | 15 | 13 | 13 | 10 | 9 | 3 | 8 | 17 | 13 | 13 |
| Rainy days | 19 | 14 | 16 | 17 | 18 | 20 | 22 | 28 | 22 | 14 | 17 | 18 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Oki is at