City break

Porto Alegre weather in April

Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.

78

Holiday weather in April

Good

Best time to visit: February – December

What is the weather like in Porto Alegre in April?

In April, Porto Alegre is warm: daytime highs average 25 °C, and nights cool down to about 17 °C. The sea averages 22.7 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 106 mm in total. All in all, April is a good month for a holiday in Porto Alegre.

April compared

How the weather changes from March to May. Tap a month to open it.

MarchMarAprilAprMayMay
Score727873
Day28°25°21°
Night20°17°13°
Sea25°23°19°
Sun7 h6 h5 h
Rain days12910

More details for April

Daylight
11 h 24 min06:43 – 18:07
UV index
6 · highclear sky, noon (estimate)All months
Muggy days
11 daysdew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
56 %on averageAll months
Hot days
2 days30 °C or moreAll months
Time zone
UTC−3America/Sao_Paulo

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %43 %
  • Few rainy daysweight 30 %63 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in April

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Rain jacket or umbrella

Porto Alegre in April: quick answers

Is Porto Alegre hot in April?

Warm rather than hot: in April, daytime highs in Porto Alegre average 25 °C and nights cool to about 17 °C. On about 2 days the thermometer climbs to 30 °C or more.

Can you swim in Porto Alegre in April?

Yes. In April the sea averages 22.7 °C – refreshing for a swim.

Does it rain much in Porto Alegre in April?

Rain is frequent, with about 9 rainy days and 106 mm in total.

Porto Alegre month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences