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Porto Alegre
Porto Alegre · Rio Grande do Sul Good time to visit Fall Low season

Porto Alegre in March

Short answer

In March, Porto Alegre averages highs of 29.2 °C (85 °F) and lows of 19.5 °C (67 °F), with about 103.3 mm of rain spread over roughly 8.6 days. March has moderate rainfall, usually in quick showers that do not spoil the whole day. Crowds tend to be low this month.

Climate · INMET (updated 2026)
Most reviewed activity in Porto AlegrePorto Alegre Airport – City of Gramado Transport★ 8.3 · 14 reviews · from US$ 27 · via CivitatisSee dates and price →
Temperature
29.2 / 19.5 °C
high / low
Rain
103.3 mm
8.6 days
Daylight
12h16
sunset at 18:41
Crowds
Low
season

What to expect in Porto Alegre in March

Myllena Vieira, editor at Visite
Editor's tip

March brings fall to Porto Alegre. In Brazil the seasons are the reverse of those in the Northern Hemisphere. Temperatures are pleasant, with highs of 29.2 °C (85 °F) and nights that still call for a light jacket. Crowds are light, which tends to work in favor of travelers: shorter lines, more peace and quiet, and cheaper lodging. Rain, when it comes, is usually brief and does not spoil the day.

Myllena Vieira · Editor at Visite
Crowds
Crowd level: low

A quiet period: short lines and room to move on the streets, ideal if you want to avoid the crowds.

Prices
Rates: low · ~R$ 423

Low season: usually the best time to find lodging and tickets at a better price. The average nightly rate for lodging in Porto Alegre is around R$ 423 (Brazilian reais), depending on the date.

Tours and tickets

Things to do in Porto Alegre in March

booking on Civitatis
Porto Alegre Airport – City of Gramado Transport
8.3· 14 reviews

Porto Alegre Airport – City of Gramado Transport

This airport transfer is the best solution to get from Porto Alegre airport to Gramado. A vehicle will be waiting to take you to your hotel.

3 h
from US$ 27
Book →
Best of Porto Alegre Tour
10· 6 reviews

Best of Porto Alegre Tour

On this tour of Porto Alegre, we'll get to know the main historical & cultural attractions of the city and enjoy the sunset at Cais Embarcadero.

9 h 30 min
from US$ 99
Book →
Porto Alegre Guided Tour
10· 4 reviews

Porto Alegre Guided Tour

On this guided tour of Porto Alegre, get to know the city's history & visit emblematic areas like Esquina Democrática & Praça Alfândega.

2 h
from US$ 37
Book →
Porto Alegre Bike Tour
6· 2 reviews

Porto Alegre Bike Tour

On this bike tour around Porto Alegre, we'll get to know the city in a unique way while getting some exercise - a great way to explore the city!

2 h
from US$ 12
Book →
Porto Alegre Airport – City of Canela Transport

Porto Alegre Airport – City of Canela Transport

If you arrive at the Porto Alegre airport and plan to go to Canela, this airport transfer service is the most comfortable way to travel between the two cities.

3 h
from US$ 25
Book →
See all activities in Porto Alegre
Where to stay

Hotels in Porto Alegre

March is low season in Porto Alegre: rates drop and there are more rooms to choose from. A good time to get a better hotel for the same budget.

Intercity Porto Alegre Praia de Belas in Porto Alegre 9.2 ★★★★ · 26 reviews Intercity Porto Alegre Praia de Belas See on Booking → Hotel Moov Porto Alegre in Porto Alegre 8.8 ★★★ · 36 reviews Hotel Moov Porto Alegre See on Booking → Hotel Continental Business - 200 metros do Complexo Hospitalar Santa Casa in Porto Alegre 8.6 ★★★ · 15 reviews Hotel Continental Business - 200 metros do Complexo Hospitalar Santa Casa See on Booking → Intercity Porto Alegre Cidade Baixa in Porto Alegre 8.2 ★★★★ · 47 reviews Intercity Porto Alegre Cidade Baixa See on Booking →
See all hotels in Porto Alegre

Rates change with the dates: confirm the price on Booking.com.

What happens in March

March has no major fixed events: a quieter month for enjoying Porto Alegre at your own pace.

What to pack in March

Light clothing for the day · highs of 29.2 °C (85 °F) Rain jacket or umbrella · 8.6 days of rain in the month Sunscreen and sunglasses · strong sun on the tours Comfortable walking shoes · you will be on foot much of the day
Looking for better weather?

Where the weather is good in March

These destinations have the best weather comfort for March, scored with the same calculation of rain, heat and humidity. Tap to see what the month is like in each one.

Búzios 60
Búzios
Rio de Janeiro · see March →
 Arraial do Cabo 59
Arraial do Cabo
Rio de Janeiro · see March →
 Bento Gonçalves 57
Bento Gonçalves
Rio Grande do Sul · see March →
 Cabo Frio 55
Cabo Frio
Rio de Janeiro · see March →
See all destinations by month

Torn between Porto Alegre and another destination?

See Porto Alegre next to the destinations that usually compete for the same trip: month-by-month weather, driving cost, ideal length of stay and travel style, side by side.

Porto Alegre or Arraial do Cabo? Porto Alegre or Balneário Camboriú? Porto Alegre or Belo Horizonte?
see all comparisons →

Questions about Porto Alegre in March

What is the weather like in Porto Alegre in March?
In March, Porto Alegre averages highs of 29.2 °C (85 °F) and lows of 19.5 °C (67 °F), with about 103.3 mm of rain spread over roughly 8.6 days. March has moderate rainfall, usually in quick showers that do not spoil the whole day. Crowds tend to be low this month.
Does it rain a lot in Porto Alegre in March?
In March, Porto Alegre gets about 103.3 mm of rain spread over around 8.6 rainy days, in line with the average rainfall for the year. Rain tends to come in quick showers that do not ruin the day.
Is March high season in Porto Alegre?
Crowds in March tend to be low. Low season: usually the best time to find lodging and tickets at a better price.
What is happening in Porto Alegre in March?
March has no major fixed events: a quieter month for enjoying Porto Alegre at your own pace.
Does it usually rain all day in Porto Alegre in March?
INMET's climate normals record the number of rainy days and the total millimeters, not the hours of each day, so they do not say how long the rain lasts. What they show for Porto Alegre in March: 8.6 rainy days in a month of 31 days (about 28% of the days) and 103.3 mm over the month, which works out to an average of about 12 mm per rainy day. Compared with the rest of the year, March falls within the destination's average rainfall. Rain tends to come in showers, but it is smart to have an indoor backup plan.
What is the temperature in Porto Alegre in March, and what should you pack?
According to INMET's climate normals, the average high in Porto Alegre in March is 29.2 °C and the average low is 19.5 °C, with air humidity of around 75.7%. Compared with the rest of the year, March is among the hottest months at the destination. For your suitcase, here is what those numbers call for: light clothing for the day; rain jacket or umbrella; sunscreen and sunglasses.
Is Porto Alegre worth visiting in March?
Good time to visit. On our weather comfort index, which weighs rain, heat and humidity from INMET's climate normals, March scores 58 out of 100 and ranks No. 5 among the 12 months. The most comfortable month is November (66) and the least comfortable is July (48). As for crowds, in March they tend to be low.
February see the full year April