Average annual temperature is 17.0 °C
Absolute maximum temperature: 35.7 °C
Absolute minimum temperature: -4.2 °C
Number of sunny days: 150 days
Number of rainy days: 215 days
Look at detailed online map of Okunoyahama
* Weather data for Okunoyahama 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) | 16.8 | 19.3 | 22.6 | 24.0 | 26.7 | 30.6 | 35.7 | 34.2 | 33.3 | 26.8 | 25.6 | 23.3 |
| Average daytime temperature (°C) | 9.2 | 10.7 | 15.6 | 18.6 | 20.6 | 24.9 | 30.3 | 31.5 | 28.9 | 21.8 | 18.8 | 13.7 |
| Average temperature (°C) | 5.5 | 7.3 | 12.2 | 15.2 | 17.7 | 21.9 | 26.6 | 28.0 | 26.0 | 18.5 | 14.7 | 9.8 |
| Average night temperature (°C) | 2.2 | 4.1 | 9.1 | 12.6 | 15.3 | 19.6 | 23.6 | 25.2 | 23.9 | 15.7 | 11.2 | 6.0 |
| Absolute minimum temperature (°C) | -4.2 | 0.3 | 3.8 | 7.1 | 10.7 | 15.1 | 20.6 | 23.9 | 20.8 | 11.9 | 5.6 | -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) | 10.0 | 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) | 6.9 | 7.3 | 7.3 | 8.5 | 8.5 | 7.5 | 10.5 | 11.7 | 8.6 | 8.5 | 7.0 | 7.0 |
| Precipitation (mm) | 55 | 78 | 128 | 131 | 147 | 321 | 55 | 59 | 283 | 130 | 70 | 58 |
| Sunny days | 16 | 14 | 11 | 14 | 15 | 11 | 15 | 7 | 4 | 14 | 12 | 17 |
| Rainy days | 15 | 14 | 20 | 16 | 16 | 19 | 16 | 24 | 26 | 17 | 18 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Okunoyahama during the most sunny months:
The largest precipitation sum in Okunoyahama is at