Best Time to Visit Arroio Grande: Month-by-Month Guide
Best months for Arroio Grande: November, March, December, April.
- Best months for Arroio Grande: November, March, December, April.
- Peak season is January, February, December. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: March, April, May, August, September, October, November. Good weather without the busiest period.
- Wettest months: February, January, October.
- The least pleasant month is July (score 6.8).
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 |
Frequently asked questions
When is the best time to visit Arroio Grande?
The best months are November, March, December, April.
When is the rainy season in Arroio Grande?
The wettest months are February, January, October.