Average annual temperature is 19.2 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 1.9 °C
Number of sunny days: 134 days
Number of rainy days: 231 days
Look at detailed online map of Arroio Grande
* Weather data for Arroio Grande 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) | 34.9 | 37.7 | 32.6 | 30.6 | 27.0 | 25.7 | 26.1 | 29.5 | 28.6 | 29.8 | 32.6 | 35.6 |
| Average daytime temperature (°C) | 29.8 | 29.0 | 28.9 | 23.7 | 21.7 | 19.7 | 18.0 | 20.5 | 20.5 | 21.9 | 24.8 | 27.3 |
| Average temperature (°C) | 24.6 | 23.9 | 24.3 | 18.9 | 17.3 | 15.1 | 13.9 | 14.8 | 16.6 | 17.6 | 20.3 | 22.9 |
| Average night temperature (°C) | 20.2 | 19.5 | 20.9 | 15.0 | 14.0 | 11.5 | 10.7 | 10.4 | 13.1 | 13.6 | 16.4 | 19.1 |
| Absolute minimum temperature (°C) | 17.3 | 11.1 | 14.8 | 9.9 | 8.4 | 3.4 | 2.7 | 1.9 | 6.2 | 6.7 | 8.7 | 13.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.1 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.3 | 11.1 | 9.1 | 8.9 | 6.6 | 6.5 | 6.4 | 8.2 | 5.0 | 8.0 | 7.7 | 10.0 |
| Precipitation (mm) | 115 | 77 | 101 | 58 | 249 | 124 | 249 | 84 | 411 | 90 | 179 | 153 |
| Sunny days | 10 | 6 | 7 | 12 | 14 | 13 | 14 | 22 | 6 | 10 | 13 | 7 |
| Rainy days | 21 | 22 | 24 | 18 | 17 | 17 | 17 | 9 | 24 | 21 | 17 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Arroio Grande during the most sunny months:
The largest precipitation sum in Arroio Grande is at