Average annual temperature is 28.4 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: 19.2 °C
Number of sunny days: 207 days
Number of rainy days: 158 days
Look at detailed online map of Oeiras
* Weather data for Oeiras 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) | 33.0 | 33.4 | 33.3 | 32.2 | 32.5 | 34.2 | 36.5 | 38.6 | 41.0 | 40.8 | 39.8 | 38.7 |
| Average daytime temperature (°C) | 30.5 | 30.5 | 30.1 | 30.6 | 31.2 | 32.1 | 34.2 | 36.1 | 37.9 | 39.0 | 36.7 | 35.6 |
| Average temperature (°C) | 25.9 | 25.9 | 25.8 | 25.8 | 26.5 | 26.8 | 28.3 | 30.0 | 31.5 | 32.8 | 31.1 | 30.4 |
| Average night temperature (°C) | 22.0 | 22.1 | 22.3 | 22.1 | 22.7 | 22.5 | 23.0 | 24.0 | 25.3 | 26.8 | 25.9 | 25.7 |
| Absolute minimum temperature (°C) | 20.2 | 20.4 | 20.9 | 19.2 | 20.7 | 20.1 | 21.7 | 22.8 | 23.7 | 25.0 | 23.1 | 23.0 |
| 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 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.5 | 12.3 | 12.1 | 12.0 | 11.8 | 11.7 | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 9.9 | 9.7 | 9.0 | 9.7 | 10.0 | 10.3 | 10.8 | 11.2 | 11.2 | 11.1 | 10.7 | 10.0 |
| Precipitation (mm) | 101 | 145 | 180 | 95 | 45 | 3 | 0 | 0 | 0 | 0 | 32 | 27 |
| Sunny days | 3 | 4 | 2 | 3 | 18 | 25 | 31 | 29 | 29 | 31 | 18 | 14 |
| Rainy days | 28 | 24 | 29 | 27 | 13 | 5 | 0 | 2 | 1 | 0 | 12 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Oeiras is at