Weather in Porto Alegre in March
In an average March, Porto Alegre sees a daily high around 29°C and a low around 20°C, based on 1980–2026 of local climate records.
| Average high | 29°C |
|---|---|
| Typical high range | 24°C to 33°C |
| Average low | 20°C |
| Typical low range | 17°C to 23°C |
| Average daily precipitation | 3 mm |
March records
The most extreme March on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total March accumulation.
High
Highest
38°C
2025-03-03
Lowest
19°C
1987-03-10
Low
Highest
25°C
1980-03-23
Lowest
9°C
2012-03-29
Feels-like
Highest
62°C
2025-03-03
Lowest
8°C
2012-03-29
Humidity
Highest
24.8 g/m³
2003-03-01
Lowest
7.9 g/m³
2012-03-28
Wind
Highest
34 km/h
2009-03-05
Lowest
6 km/h
2001-03-15
Gust
Highest
79 km/h
2002-03-30
Lowest
14 km/h
2001-03-30
Precip
Wettest
280 mm
2016
Driest
26 mm
2020
See Porto Alegre's live weather grade →
Visiting Porto Alegre in March? See how its comfort stacks up against where you live.
Compare Porto Alegre with your city →