Average annual temperature is 16.2 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: -0.4 °C
Number of sunny days: 198 days
Number of rainy days: 167 days
Look at detailed online map of Arcos
* Weather data for Arcos 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) | 16.5 | 21.7 | 25.6 | 28.3 | 32.2 | 32.2 | 31.9 | 38.5 | 34.4 | 33.7 | 21.1 | 19.6 |
| Average daytime temperature (°C) | 14.0 | 16.2 | 18.3 | 22.5 | 23.9 | 25.7 | 26.6 | 28.8 | 25.7 | 24.1 | 17.8 | 14.9 |
| Average temperature (°C) | 9.7 | 10.7 | 13.3 | 15.9 | 18.1 | 20.2 | 20.5 | 22.1 | 19.9 | 19.0 | 14.4 | 10.6 |
| Average night temperature (°C) | 6.2 | 6.7 | 9.1 | 10.4 | 13.2 | 15.9 | 15.7 | 17.0 | 15.7 | 14.9 | 11.6 | 7.1 |
| Absolute minimum temperature (°C) | -0.4 | 1.6 | 1.6 | 6.6 | 8.4 | 12.9 | 12.6 | 13.6 | 11.8 | 10.7 | 5.9 | -0.3 |
| 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) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 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) | 6.4 | 9.0 | 8.3 | 10.5 | 11.3 | 11.9 | 12.6 | 11.7 | 10.1 | 6.6 | 5.9 | 6.1 |
| Precipitation (mm) | 188 | 13 | 92 | 40 | 82 | 84 | 7 | 2 | 122 | 253 | 184 | 92 |
| Sunny days | 15 | 22 | 11 | 18 | 16 | 14 | 24 | 29 | 12 | 12 | 10 | 15 |
| Rainy days | 16 | 6 | 20 | 12 | 15 | 16 | 7 | 2 | 18 | 19 | 20 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Arcos during the most sunny months:
The largest precipitation sum in Arcos is at