Average annual temperature is 16.7 °C
Absolute maximum temperature: 40.3 °C
Absolute minimum temperature: 1.0 °C
Number of sunny days: 235 days
Number of rainy days: 130 days
Look at detailed online map of Santiago do Cacém
* Weather data for Santiago do Cacém 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) | 18.7 | 20.4 | 24.9 | 31.6 | 29.0 | 34.0 | 31.5 | 40.3 | 35.8 | 34.7 | 21.5 | 19.8 |
| Average daytime temperature (°C) | 14.1 | 16.0 | 18.1 | 23.3 | 23.9 | 26.5 | 26.5 | 30.0 | 25.0 | 23.8 | 18.1 | 15.6 |
| Average temperature (°C) | 10.2 | 10.8 | 13.4 | 17.2 | 18.2 | 21.3 | 21.1 | 23.4 | 19.8 | 19.2 | 14.6 | 11.3 |
| Average night temperature (°C) | 6.8 | 6.6 | 9.4 | 11.9 | 13.5 | 16.6 | 16.0 | 18.0 | 16.0 | 15.7 | 11.5 | 7.8 |
| Absolute minimum temperature (°C) | 1.7 | 1.0 | 1.4 | 9.2 | 11.8 | 14.2 | 13.8 | 15.2 | 12.6 | 11.0 | 6.4 | 3.4 |
| 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 | 14.8 | 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) | 8.0 | 9.0 | 9.3 | 11.5 | 12.4 | 12.7 | 13.2 | 12.2 | 10.3 | 7.7 | 7.7 | 7.2 |
| Precipitation (mm) | 48 | 23 | 43 | 10 | 34 | 32 | 0 | 0 | 62 | 163 | 54 | 39 |
| Sunny days | 18 | 19 | 16 | 24 | 21 | 18 | 28 | 31 | 17 | 12 | 15 | 16 |
| Rainy days | 13 | 9 | 15 | 6 | 10 | 12 | 3 | 0 | 13 | 19 | 15 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Santiago do Cacém during the most sunny months:
The largest precipitation sum in Santiago do Cacém is at