Average annual temperature is 24.3 °C
Absolute maximum temperature: 44.2 °C
Absolute minimum temperature: 11.1 °C
Number of sunny days: 140 days
Number of rainy days: 225 days
Look at detailed online map of São João de Meriti
* Weather data for São João de Meriti 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) | 34.3 | 36.4 | 37.2 | 31.7 | 31.7 | 30.9 | 35.9 | 37.5 | 40.0 | 38.6 | 44.2 | 38.7 |
| Average daytime temperature (°C) | 30.2 | 32.0 | 31.7 | 27.9 | 26.2 | 26.6 | 26.3 | 27.9 | 31.5 | 29.9 | 32.5 | 32.0 |
| Average temperature (°C) | 25.8 | 26.9 | 26.6 | 23.7 | 21.8 | 21.0 | 20.7 | 22.2 | 24.6 | 24.7 | 26.8 | 26.8 |
| Average night temperature (°C) | 22.5 | 23.4 | 22.8 | 20.2 | 18.3 | 16.3 | 16.0 | 17.9 | 19.8 | 21.3 | 22.4 | 22.8 |
| Absolute minimum temperature (°C) | 19.7 | 21.0 | 20.4 | 16.7 | 14.3 | 14.2 | 11.1 | 13.4 | 16.6 | 18.4 | 16.1 | 19.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.3 | 12.9 | 12.2 | 11.6 | 11.0 | 10.8 | 10.9 | 11.3 | 12.0 | 12.6 | 13.2 | 13.5 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 9.1 | 9.7 | 10.4 | 8.6 | 8.9 | 9.3 | 8.6 | 7.7 | 9.3 | 7.4 | 9.4 | 10.5 |
| Precipitation (mm) | 234 | 218 | 75 | 72 | 58 | 14 | 47 | 85 | 31 | 69 | 94 | 99 |
| Sunny days | 4 | 5 | 8 | 5 | 14 | 18 | 18 | 17 | 21 | 8 | 14 | 8 |
| Rainy days | 27 | 23 | 23 | 25 | 17 | 12 | 13 | 14 | 9 | 23 | 16 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in São João de Meriti is at