Average annual temperature is 17.4 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -3.2 °C
Number of sunny days: 162 days
Number of rainy days: 203 days
Look at detailed online map of Ōya
* Weather data for Ōya 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) | 18.4 | 18.0 | 23.1 | 23.7 | 25.7 | 29.3 | 31.7 | 35.0 | 32.0 | 27.3 | 26.6 | 21.1 |
| Average daytime temperature (°C) | 10.0 | 11.6 | 15.9 | 19.0 | 21.8 | 25.0 | 28.9 | 31.0 | 28.6 | 22.3 | 17.3 | 12.3 |
| Average temperature (°C) | 7.4 | 8.7 | 12.4 | 15.4 | 18.7 | 22.3 | 26.2 | 27.6 | 25.6 | 19.3 | 14.6 | 10.0 |
| Average night temperature (°C) | 5.1 | 6.0 | 9.3 | 12.3 | 16.1 | 19.8 | 24.3 | 25.1 | 23.2 | 16.9 | 12.2 | 7.7 |
| Absolute minimum temperature (°C) | -3.2 | 2.1 | 2.7 | 6.9 | 10.1 | 16.3 | 21.6 | 23.0 | 20.3 | 13.2 | 6.9 | 0.5 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.3 | 14.1 | 13.3 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 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) | 6.6 | 6.5 | 7.4 | 7.7 | 8.5 | 6.7 | 8.6 | 11.2 | 9.5 | 9.3 | 8.1 | 6.4 |
| Precipitation (mm) | 91 | 112 | 151 | 195 | 370 | 467 | 298 | 228 | 145 | 53 | 58 | 104 |
| Sunny days | 18 | 14 | 17 | 18 | 16 | 7 | 1 | 8 | 8 | 20 | 21 | 14 |
| Rainy days | 13 | 14 | 14 | 12 | 15 | 23 | 30 | 23 | 22 | 11 | 9 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ōya during the most sunny months:
The largest precipitation sum in Ōya is at