Cool
Average highs are around 19°C, so pack for cooler days.
Weather Guide
Porto Alegre, Brazil Average Monthly Weather
Weather score52Mixed annual avg
Best months: December, January, February
Across the year, average daytime temperatures are around 24°C, sunshine averages 6.1h per day, and rainfall totals about 1363mm. Sea temperatures average 21°C across the year.
Annual weather
Annual averages
Temp
24°C
Rain
1363mm
Annual total
Sun
6.1h
Sea
21°C
Weather score
52
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 125mm, so some wet days are possible.
Limited sun
Sunshine averages 4.7h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Weather map
Compare Porto Alegre, Brazil with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July19°C average high
July has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
July125mm average rain
July is wetter than Porto Alegre's yearly average, so flexible plans matter more.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July4.7 hours average sun
July is one of Porto Alegre's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July15°C average sea
July is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March and December
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
Weather score
July30 weather score
July is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March and November to December
These months have the strongest weather score in the monthly averages.