Average annual temperature is 11.1 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -5.3 °C
Number of sunny days: 188 days
Number of rainy days: 177 days
Look at detailed online map of Rossão
* Weather data for Rossão Portugal is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 10.5 | 13.4 | 17.9 | 22.6 | 23.0 | 28.0 | 27.3 | 34.5 | 26.9 | 26.9 | 16.9 | 12.7 |
| Average daytime temperature (°C) | 6.5 | 8.4 | 11.3 | 15.8 | 17.2 | 20.4 | 21.7 | 24.6 | 19.3 | 17.3 | 11.5 | 8.2 |
| Average temperature (°C) | 3.4 | 3.7 | 7.6 | 11.3 | 12.3 | 16.3 | 16.8 | 18.9 | 15.3 | 14.0 | 8.5 | 5.1 |
| Average night temperature (°C) | 0.4 | -0.2 | 4.0 | 6.2 | 7.6 | 12.3 | 12.0 | 13.3 | 11.7 | 10.6 | 5.9 | 2.4 |
| Absolute minimum temperature (°C) | -5.3 | -4.9 | -5.2 | -0.6 | 3.3 | 8.5 | 6.7 | 7.8 | 7.6 | 4.2 | 1.3 | -2.6 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.1 | 8.9 | 8.1 | 10.4 | 11.1 | 12.3 | 13.0 | 12.4 | 9.7 | 6.2 | 5.4 | 5.6 |
| Precipitation (mm) | 291 | 14 | 124 | 55 | 125 | 128 | 17 | 9 | 144 | 412 | 309 | 120 |
| Sunny days | 15 | 20 | 13 | 18 | 16 | 9 | 23 | 26 | 11 | 12 | 11 | 14 |
| Rainy days | 16 | 8 | 18 | 12 | 15 | 21 | 8 | 5 | 19 | 19 | 19 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Rossão during the most sunny months:
The largest precipitation sum in Rossão is at