Average annual temperature is 26.7 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 19.5 °C
Number of sunny days: 144 days
Number of rainy days: 221 days
Look at detailed online map of Santarém
* Weather data for Santarém Brazil is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 33.8 | 33.3 | 33.0 | 30.6 | 31.2 | 30.9 | 33.3 | 34.2 | 36.1 | 37.0 | 36.6 | 37.3 |
| Average daytime temperature (°C) | 31.5 | 31.4 | 30.1 | 29.6 | 30.4 | 29.8 | 31.1 | 32.6 | 34.4 | 35.3 | 35.2 | 34.5 |
| Average temperature (°C) | 26.1 | 26.1 | 25.3 | 25.0 | 25.8 | 25.5 | 25.8 | 26.8 | 28.1 | 28.7 | 28.9 | 28.5 |
| Average night temperature (°C) | 21.8 | 22.2 | 21.8 | 21.5 | 21.7 | 21.7 | 21.0 | 21.8 | 22.6 | 23.1 | 23.4 | 23.6 |
| Absolute minimum temperature (°C) | 19.9 | 21.3 | 20.5 | 19.5 | 19.8 | 20.4 | 19.8 | 20.0 | 21.3 | 21.7 | 22.1 | 22.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 | 11.9 | 11.9 | 12.1 | 12.2 | 12.3 | 12.4 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.4 | 10.5 | 9.3 | 9.9 | 10.6 | 10.3 | 10.7 | 11.0 | 11.1 | 11.0 | 10.9 | 10.4 |
| Precipitation (mm) | 126 | 142 | 229 | 103 | 19 | 17 | 5 | 10 | 5 | 1 | 7 | 44 |
| Sunny days | 3 | 1 | 3 | 3 | 8 | 13 | 22 | 15 | 21 | 25 | 20 | 10 |
| Rainy days | 28 | 27 | 28 | 27 | 23 | 17 | 9 | 16 | 9 | 6 | 10 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santarém is at