Arroio Grande Climate: Weather by Month and Best Time to Visit
Best months for Arroio Grande: November, March, December, April.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 28°C | 20°C | 111 mm | 11 | – | – | 7.5 |
| February | 27°C | 20°C | 109 mm | 11 | – | – | 7.4 |
| March | 26°C | 19°C | 103 mm | 10 | – | – | 7.7 |
| April | 23°C | 16°C | 124 mm | 10 | – | – | 7.6 |
| May | 20°C | 13°C | 96 mm | 9 | – | – | 7.5 |
| June | 17°C | 10°C | 110 mm | 9 | – | – | 6.9 |
| July | 16°C | 9°C | 107 mm | 9 | – | – | 6.8 |
| August | 18°C | 10°C | 107 mm | 9 | – | – | 7.2 |
| September | 19°C | 11°C | 124 mm | 10 | – | – | 7.0 |
| October | 22°C | 14°C | 133 mm | 10 | – | – | 7.4 |
| November | 24°C | 16°C | 98 mm | 8 | – | – | 7.9 |
| December | 27°C | 18°C | 96 mm | 10 | – | – | 7.7 |