Average annual temperature is 17.5 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 3.5 °C
Number of sunny days: 221 days
Number of rainy days: 144 days
Look at detailed online map of Belém
* Weather data for Belém 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) | 18.5 | 18.8 | 24.4 | 30.6 | 28.3 | 35.0 | 33.0 | 39.3 | 34.3 | 32.1 | 21.3 | 19.2 |
| Average daytime temperature (°C) | 14.6 | 15.5 | 18.1 | 23.5 | 24.0 | 27.2 | 28.3 | 30.4 | 26.1 | 24.4 | 18.8 | 15.4 |
| Average temperature (°C) | 11.5 | 11.1 | 14.0 | 17.7 | 19.0 | 21.8 | 22.1 | 23.7 | 21.0 | 20.0 | 15.6 | 12.0 |
| Average night temperature (°C) | 8.8 | 7.8 | 10.6 | 12.9 | 15.2 | 17.7 | 17.7 | 19.2 | 17.2 | 16.3 | 12.6 | 9.2 |
| Absolute minimum temperature (°C) | 4.3 | 3.9 | 3.5 | 9.8 | 12.9 | 15.2 | 16.0 | 17.0 | 14.2 | 12.5 | 6.9 | 5.0 |
| 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) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 7.4 | 8.9 | 9.0 | 11.2 | 12.4 | 12.5 | 13.2 | 12.0 | 10.1 | 7.5 | 7.3 | 6.6 |
| Precipitation (mm) | 40 | 30 | 37 | 17 | 8 | 26 | 0 | 0 | 63 | 125 | 72 | 37 |
| Sunny days | 16 | 19 | 18 | 22 | 18 | 17 | 27 | 28 | 13 | 13 | 13 | 17 |
| Rainy days | 15 | 9 | 13 | 8 | 13 | 13 | 4 | 3 | 17 | 18 | 17 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Belém during the most sunny months:
The largest precipitation sum in Belém is at