Average annual temperature is 15.9 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: 0.8 °C
Number of sunny days: 174 days
Number of rainy days: 191 days
Look at detailed online map of Arga de São João
* Weather data for Arga de São João 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) | 15.7 | 20.8 | 22.1 | 25.8 | 28.2 | 29.3 | 30.1 | 34.4 | 31.0 | 30.9 | 19.4 | 17.0 |
| Average daytime temperature (°C) | 13.3 | 15.8 | 16.1 | 19.8 | 22.1 | 24.2 | 23.9 | 25.7 | 23.6 | 22.1 | 16.9 | 14.2 |
| Average temperature (°C) | 9.8 | 10.0 | 12.6 | 15.4 | 17.5 | 20.2 | 20.0 | 21.6 | 19.7 | 18.7 | 14.2 | 11.0 |
| Average night temperature (°C) | 6.5 | 5.3 | 9.3 | 10.8 | 13.0 | 16.4 | 16.1 | 17.6 | 16.3 | 15.7 | 12.0 | 8.1 |
| Absolute minimum temperature (°C) | 1.0 | 0.8 | 1.1 | 6.2 | 10.2 | 13.8 | 13.8 | 14.6 | 11.7 | 10.8 | 7.7 | 1.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 9.2 | 7.3 | 9.9 | 11.7 | 12.1 | 12.4 | 11.4 | 9.7 | 6.5 | 4.8 | 5.2 |
| Precipitation (mm) | 277 | 14 | 249 | 62 | 90 | 125 | 28 | 52 | 147 | 538 | 362 | 318 |
| Sunny days | 12 | 21 | 9 | 15 | 15 | 13 | 20 | 25 | 11 | 11 | 9 | 13 |
| Rainy days | 19 | 7 | 22 | 15 | 16 | 17 | 11 | 6 | 19 | 20 | 21 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Arga de São João during the most sunny months:
The largest precipitation sum in Arga de São João is at