Average annual temperature is 14.7 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -7.8 °C
Number of sunny days: 145 days
Number of rainy days: 215 days
Number of snow days: 5 days
Look at detailed online map of Osako
* Weather data for Osako 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) | 18.0 | 16.8 | 21.9 | 25.3 | 28.8 | 31.4 | 34.1 | 33.6 | 32.0 | 25.6 | 24.7 | 20.0 |
| Average daytime temperature (°C) | 7.8 | 10.1 | 15.9 | 18.9 | 22.8 | 25.7 | 29.9 | 30.9 | 28.3 | 20.8 | 16.2 | 10.6 |
| Average temperature (°C) | 3.1 | 5.1 | 9.7 | 13.1 | 17.3 | 21.1 | 25.3 | 26.0 | 23.5 | 14.9 | 10.5 | 5.7 |
| Average night temperature (°C) | -0.4 | 1.2 | 4.6 | 8.4 | 12.5 | 17.5 | 21.9 | 22.4 | 19.7 | 10.1 | 6.0 | 1.7 |
| Absolute minimum temperature (°C) | -7.8 | -3.1 | -3.9 | 2.1 | 4.4 | 12.4 | 19.4 | 20.4 | 16.5 | 4.0 | -0.2 | -4.0 |
| 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 | 14.3 | 14.1 | 13.4 | 12.4 | 11.4 | 10.5 | 10.0 |
| 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) | 5.9 | 6.3 | 7.5 | 8.0 | 8.3 | 6.7 | 8.5 | 10.0 | 9.2 | 8.6 | 7.6 | 5.9 |
| Precipitation (mm) | 72 | 92 | 118 | 201 | 214 | 292 | 213 | 172 | 68 | 45 | 47 | 61 |
| Sunny days | 12 | 11 | 16 | 18 | 16 | 11 | 4 | 4 | 7 | 19 | 15 | 12 |
| Rainy days | 17 | 17 | 15 | 12 | 15 | 19 | 27 | 27 | 23 | 12 | 15 | 16 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Osako during the most sunny months:
The largest precipitation sum in Osako is at