Average annual temperature is 15.9 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -5.9 °C
Number of sunny days: 139 days
Number of rainy days: 222 days
Number of snow days: 4 days
Look at detailed online map of Ryūmon
* Weather data for Ryūmon 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) | 19.5 | 16.6 | 22.1 | 26.1 | 28.0 | 31.0 | 32.8 | 33.3 | 32.7 | 27.2 | 25.3 | 19.7 |
| Average daytime temperature (°C) | 9.1 | 11.7 | 16.7 | 19.6 | 23.4 | 25.7 | 29.1 | 31.3 | 29.0 | 21.8 | 16.5 | 11.3 |
| Average temperature (°C) | 4.7 | 7.0 | 11.5 | 14.6 | 18.7 | 21.9 | 25.5 | 26.9 | 24.6 | 16.4 | 11.8 | 7.0 |
| Average night temperature (°C) | 1.2 | 3.3 | 7.0 | 10.3 | 14.7 | 18.7 | 22.7 | 23.7 | 21.2 | 12.4 | 8.0 | 3.6 |
| Absolute minimum temperature (°C) | -5.9 | -1.7 | -2.2 | 3.7 | 6.0 | 12.5 | 21.4 | 21.0 | 17.7 | 7.5 | -0.1 | -4.7 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.9 | 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) | 6.2 | 6.8 | 7.9 | 7.6 | 8.7 | 6.1 | 8.0 | 10.3 | 9.3 | 9.1 | 7.8 | 6.1 |
| Precipitation (mm) | 103 | 99 | 179 | 270 | 311 | 492 | 433 | 196 | 87 | 39 | 85 | 98 |
| Sunny days | 16 | 13 | 15 | 15 | 14 | 6 | 3 | 3 | 6 | 20 | 15 | 13 |
| Rainy days | 13 | 15 | 16 | 15 | 17 | 24 | 28 | 28 | 24 | 11 | 15 | 16 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Ryūmon during the most sunny months:
The largest precipitation sum in Ryūmon is at