Average annual temperature is 25.3 °C
Absolute maximum temperature: 40.9 °C
Absolute minimum temperature: 10.3 °C
Number of sunny days: 114 days
Number of rainy days: 251 days
Look at detailed online map of Janeiro
* Weather data for Janeiro Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.3 | 32.4 | 34.8 | 35.4 | 36.3 | 40.9 | 38.7 | 37.4 | 37.2 | 36.1 | 29.6 | 29.9 |
| Average daytime temperature (°C) | 26.4 | 26.2 | 29.8 | 29.7 | 32.7 | 35.9 | 34.2 | 33.7 | 35.5 | 30.0 | 25.5 | 24.1 |
| Average temperature (°C) | 21.3 | 20.9 | 24.1 | 25.1 | 27.4 | 30.2 | 28.9 | 28.4 | 29.6 | 25.7 | 21.5 | 20.4 |
| Average night temperature (°C) | 18.1 | 17.3 | 20.5 | 21.9 | 23.3 | 25.9 | 24.9 | 24.5 | 25.1 | 22.6 | 18.8 | 17.7 |
| Absolute minimum temperature (°C) | 10.3 | 10.9 | 12.5 | 16.7 | 17.4 | 23.4 | 22.5 | 22.5 | 22.9 | 14.6 | 13.4 | 13.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.9 | 7.2 | 9.2 | 8.8 | 11.1 | 12.1 | 11.1 | 11.1 | 11.2 | 8.2 | 6.3 | 5.1 |
| Precipitation (mm) | 37 | 28 | 66 | 163 | 55 | 41 | 142 | 142 | 46 | 377 | 84 | 118 |
| Sunny days | 13 | 15 | 15 | 8 | 13 | 11 | 2 | 5 | 7 | 5 | 13 | 7 |
| Rainy days | 18 | 13 | 16 | 22 | 18 | 19 | 29 | 26 | 23 | 26 | 17 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Janeiro during the most sunny months:
The largest precipitation sum in Janeiro is at