Average annual temperature is 17.8 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: 0.6 °C
Number of sunny days: 237 days
Number of rainy days: 128 days
Look at detailed online map of Sines
* Weather data for Sines 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) | 20.0 | 21.3 | 25.9 | 32.6 | 30.4 | 35.7 | 32.5 | 42.1 | 36.8 | 36.0 | 22.7 | 21.0 |
| Average daytime temperature (°C) | 15.2 | 17.1 | 19.1 | 24.7 | 25.0 | 27.7 | 27.6 | 31.2 | 26.2 | 24.9 | 19.3 | 16.7 |
| Average temperature (°C) | 11.2 | 11.7 | 14.3 | 18.2 | 19.2 | 22.3 | 22.1 | 24.5 | 20.9 | 20.3 | 15.7 | 12.3 |
| Average night temperature (°C) | 7.8 | 7.4 | 10.2 | 12.6 | 14.4 | 17.6 | 17.0 | 19.1 | 17.0 | 16.7 | 12.5 | 8.8 |
| Absolute minimum temperature (°C) | 2.5 | 0.6 | 2.5 | 9.9 | 12.9 | 15.2 | 14.8 | 16.2 | 13.7 | 12.1 | 5.6 | 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| 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) | 7.9 | 9.0 | 9.2 | 11.6 | 12.3 | 12.6 | 13.2 | 12.2 | 10.2 | 7.7 | 7.5 | 7.1 |
| Precipitation (mm) | 45 | 30 | 38 | 12 | 32 | 29 | 0 | 0 | 49 | 163 | 57 | 39 |
| Sunny days | 17 | 17 | 18 | 25 | 20 | 18 | 30 | 31 | 17 | 13 | 15 | 16 |
| Rainy days | 14 | 11 | 13 | 5 | 11 | 12 | 1 | 0 | 13 | 18 | 15 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Sines during the most sunny months:
The largest precipitation sum in Sines is at