Average annual temperature is 24.9 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 32 days
Number of rainy days: 333 days
Look at detailed online map of Altamira
* Weather data for Altamira 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) | 32.4 | 32.9 | 32.4 | 35.1 | 30.7 | 27.7 | 28.7 | 32.0 | 32.0 | 33.8 | 33.8 | 34.2 |
| Average daytime temperature (°C) | 30.5 | 30.8 | 29.9 | 30.0 | 27.9 | 26.4 | 26.9 | 27.6 | 28.7 | 30.7 | 31.4 | 31.3 |
| Average temperature (°C) | 25.8 | 26.2 | 25.4 | 25.5 | 24.3 | 23.1 | 23.0 | 23.4 | 24.2 | 25.5 | 26.3 | 26.3 |
| Average night temperature (°C) | 22.5 | 22.7 | 22.0 | 22.3 | 21.9 | 20.8 | 20.2 | 20.4 | 21.1 | 21.9 | 22.6 | 22.7 |
| Absolute minimum temperature (°C) | 21.1 | 21.3 | 20.6 | 21.3 | 21.1 | 19.3 | 18.4 | 18.6 | 19.7 | 20.6 | 20.5 | 21.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum 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 |
| Daylight mean duration (h) | 12.7 | 12.5 | 12.2 | 11.8 | 11.6 | 11.4 | 11.5 | 11.7 | 12.0 | 12.4 | 12.7 | 12.8 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 11.5 | 10.9 | 10.2 | 10.3 | 8.4 | 9.2 | 9.7 | 10.1 | 10.5 | 11.2 | 11.4 | 11.0 |
| Precipitation (mm) | 55 | 56 | 135 | 89 | 166 | 153 | 52 | 60 | 46 | 29 | 41 | 76 |
| Sunny days | 1 | 2 | 0 | 2 | 2 | 0 | 1 | 4 | 3 | 8 | 7 | 2 |
| Rainy days | 30 | 26 | 31 | 28 | 29 | 30 | 30 | 27 | 27 | 23 | 23 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Altamira is at