Average annual temperature is 18.7 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 1.0 °C
Number of sunny days: 151 days
Number of rainy days: 214 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) | 36.1 | 38.2 | 33.5 | 29.4 | 27.1 | 25.4 | 26.1 | 28.8 | 27.2 | 28.5 | 32.6 | 34.6 |
| Average daytime temperature (°C) | 31.0 | 29.8 | 29.1 | 23.1 | 21.4 | 18.8 | 17.5 | 19.8 | 20.1 | 22.0 | 24.7 | 26.5 |
| Average temperature (°C) | 25.0 | 24.0 | 24.3 | 18.2 | 16.9 | 14.3 | 13.2 | 14.2 | 15.9 | 17.0 | 19.7 | 22.2 |
| Average night temperature (°C) | 20.0 | 19.3 | 20.7 | 14.1 | 13.5 | 10.6 | 9.7 | 9.8 | 12.5 | 12.6 | 15.5 | 18.3 |
| Absolute minimum temperature (°C) | 16.7 | 11.0 | 15.3 | 9.1 | 5.9 | 2.9 | 1.6 | 1.0 | 4.9 | 5.7 | 7.1 | 13.0 |
| 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) | 14.0 | 13.2 | 12.3 | 11.3 | 10.5 | 10.1 | 10.3 | 11.0 | 11.9 | 12.9 | 13.8 | 14.2 |
| 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) | 11.5 | 11.3 | 9.3 | 9.1 | 6.9 | 6.3 | 5.7 | 8.4 | 5.2 | 9.1 | 8.1 | 9.4 |
| Precipitation (mm) | 82 | 76 | 120 | 63 | 147 | 210 | 275 | 54 | 372 | 75 | 173 | 159 |
| Sunny days | 13 | 9 | 10 | 13 | 16 | 12 | 15 | 20 | 5 | 14 | 12 | 12 |
| Rainy days | 18 | 19 | 21 | 17 | 15 | 18 | 16 | 11 | 25 | 17 | 18 | 19 |
| 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