Climate almanac
Arroio Grande
Rio Grande do Sul, Brazil · -32.24°, -53.09°
What is the climate like in Arroio Grande?
The best time to visit Arroio Grande is typically November – March, with trip comfort peaking in February (6.9/10). Arroio Grande is warmest in January, when daily highs average 83°F (28°C), and coolest in July, when lows fall to about 49°F (9°C). The wettest month is typically September and the driest is February; the year sees roughly 55 in (1395 mm) of precipitation.
- Best time to visitNovember – March — comfort peaks in February (6.9/10)
- Warmest monthJanuary — average high 83°F (28°C)
- Coolest monthJuly — average low 49°F (9°C)
- Wettest monthSeptember (6.5 in (164 mm))
- Driest monthFebruary (3.4 in (87 mm))
- Annual precipitation55 in (1395 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromRio Grande, 98 km away (1977-2013)