Average annual temperature is 15.7 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -5.2 °C
Number of sunny days: 130 days
Number of rainy days: 231 days
Number of snow days: 4 days
Look at detailed online map of Ryūoka
* Weather data for Ryūoka 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) | 15.9 | 15.3 | 22.0 | 25.0 | 29.2 | 31.2 | 33.5 | 33.8 | 31.9 | 26.0 | 25.9 | 21.5 |
| Average daytime temperature (°C) | 7.8 | 8.9 | 15.1 | 18.1 | 22.1 | 25.5 | 30.6 | 31.0 | 28.8 | 21.4 | 16.5 | 10.6 |
| Average temperature (°C) | 4.5 | 5.0 | 10.6 | 13.7 | 17.9 | 21.8 | 26.6 | 27.0 | 24.7 | 16.9 | 12.2 | 6.7 |
| Average night temperature (°C) | 1.5 | 1.6 | 6.8 | 9.8 | 14.5 | 18.7 | 23.1 | 23.7 | 21.5 | 13.1 | 8.8 | 3.3 |
| Absolute minimum temperature (°C) | -5.2 | -2.3 | -0.7 | 6.4 | 9.5 | 13.5 | 19.5 | 21.4 | 18.3 | 9.3 | 2.8 | -2.5 |
| 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) | 10.2 | 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) | 7.0 | 7.2 | 8.6 | 8.1 | 9.1 | 7.3 | 9.9 | 9.9 | 9.3 | 8.7 | 8.0 | 7.1 |
| Precipitation (mm) | 77 | 58 | 115 | 247 | 274 | 272 | 135 | 200 | 96 | 27 | 73 | 56 |
| Sunny days | 14 | 11 | 18 | 18 | 12 | 11 | 5 | 2 | 3 | 13 | 13 | 10 |
| Rainy days | 15 | 17 | 13 | 12 | 19 | 19 | 26 | 29 | 27 | 18 | 17 | 19 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Ryūoka is at