Average annual temperature is 17.3 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 166 days
Number of rainy days: 196 days
Number of snow days: 3 days
Look at detailed online map of Ōsasu
* Weather data for Ōsasu 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 | 18.2 | 22.3 | 25.1 | 26.8 | 29.5 | 36.3 | 33.0 | 31.1 | 27.4 | 24.7 | 20.1 |
| Average daytime temperature (°C) | 9.5 | 10.7 | 16.1 | 19.0 | 22.2 | 25.7 | 31.3 | 30.5 | 29.2 | 22.2 | 17.9 | 13.2 |
| Average temperature (°C) | 6.2 | 7.2 | 12.2 | 15.4 | 19.0 | 22.8 | 27.6 | 27.7 | 26.2 | 18.5 | 14.2 | 9.4 |
| Average night temperature (°C) | 3.7 | 4.5 | 8.7 | 12.1 | 16.1 | 20.5 | 24.7 | 25.4 | 23.8 | 15.7 | 11.3 | 6.4 |
| Absolute minimum temperature (°C) | -3.4 | 0.9 | 3.5 | 8.0 | 11.3 | 16.7 | 21.2 | 23.7 | 20.8 | 11.3 | 5.8 | 0.7 |
| 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) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 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) | 7.5 | 7.7 | 8.4 | 8.5 | 9.3 | 7.2 | 11.4 | 10.3 | 9.6 | 8.7 | 7.9 | 7.6 |
| Precipitation (mm) | 52 | 53 | 151 | 169 | 267 | 415 | 51 | 287 | 171 | 201 | 86 | 64 |
| Sunny days | 20 | 17 | 17 | 11 | 14 | 9 | 9 | 1 | 5 | 20 | 20 | 23 |
| Rainy days | 8 | 11 | 14 | 19 | 17 | 21 | 22 | 30 | 25 | 11 | 10 | 8 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Ōsasu during the most sunny months:
The largest precipitation sum in Ōsasu is at