Average annual temperature is 19.6 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 4.9 °C
Number of sunny days: 253 days
Number of rainy days: 112 days
Look at detailed online map of Olhão
* Weather data for Olhão 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) | 20.3 | 18.9 | 25.8 | 30.6 | 31.9 | 38.9 | 37.4 | 39.4 | 29.3 | 29.2 | 23.1 | 20.4 |
| Average daytime temperature (°C) | 16.3 | 16.3 | 20.1 | 24.2 | 24.7 | 28.1 | 31.6 | 32.3 | 25.5 | 24.2 | 20.2 | 16.8 |
| Average temperature (°C) | 12.7 | 13.2 | 16.1 | 19.7 | 20.9 | 24.4 | 26.6 | 27.6 | 22.1 | 21.1 | 16.4 | 13.3 |
| Average night temperature (°C) | 9.7 | 10.3 | 12.3 | 15.2 | 16.7 | 20.2 | 21.3 | 22.3 | 18.7 | 18.0 | 13.2 | 10.3 |
| Absolute minimum temperature (°C) | 4.9 | 6.5 | 6.0 | 9.7 | 14.8 | 16.6 | 17.6 | 18.1 | 14.6 | 12.2 | 8.4 | 6.8 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 8.2 | 8.5 | 9.6 | 11.7 | 12.3 | 12.3 | 13.0 | 12.3 | 10.2 | 8.8 | 8.3 | 7.2 |
| Precipitation (mm) | 25 | 22 | 21 | 9 | 19 | 31 | 0 | 0 | 38 | 154 | 29 | 34 |
| Sunny days | 19 | 15 | 23 | 26 | 20 | 22 | 31 | 30 | 16 | 13 | 20 | 18 |
| Rainy days | 12 | 13 | 8 | 4 | 11 | 8 | 0 | 1 | 14 | 18 | 10 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Olhão during the most sunny months:
The largest precipitation sum in Olhão is at