Average annual temperature is 26.8 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: 21.2 °C
Number of sunny days: 54 days
Number of rainy days: 311 days
Look at detailed online map of Aru
* Weather data for Aru 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) | 31.2 | 31.1 | 31.9 | 32.0 | 32.4 | 32.0 | 33.7 | 34.2 | 35.9 | 35.9 | 35.1 | 33.9 |
| Average daytime temperature (°C) | 29.7 | 29.5 | 29.2 | 29.9 | 30.4 | 30.7 | 31.9 | 33.0 | 33.5 | 34.4 | 33.5 | 32.1 |
| Average temperature (°C) | 25.2 | 25.1 | 25.0 | 25.5 | 26.0 | 26.4 | 27.1 | 28.0 | 28.5 | 29.0 | 28.5 | 27.5 |
| Average night temperature (°C) | 22.3 | 22.6 | 22.6 | 22.8 | 23.2 | 22.9 | 23.4 | 24.0 | 24.4 | 24.7 | 24.6 | 24.3 |
| Absolute minimum temperature (°C) | 21.2 | 21.9 | 21.7 | 21.8 | 22.5 | 21.8 | 21.7 | 22.8 | 23.1 | 23.3 | 22.9 | 22.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.2 | 12.2 | 12.2 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.6 | 7.4 | 6.8 | 8.5 | 9.3 | 10.6 | 10.8 | 11.1 | 11.3 | 11.3 | 10.9 | 9.8 |
| Precipitation (mm) | 367 | 373 | 520 | 365 | 302 | 167 | 32 | 33 | 6 | 26 | 45 | 141 |
| Sunny days | 0 | 0 | 0 | 0 | 0 | 2 | 5 | 12 | 15 | 13 | 7 | 0 |
| Rainy days | 31 | 28 | 31 | 30 | 31 | 28 | 26 | 19 | 15 | 18 | 23 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Aru is at