Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
December verdict
Porto Alegre, Brazil in December
Weather score72Very good
Very good for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 7.8h per day, enough for a balanced month. Rainfall averages 101mm, so some wet days are possible.
December weather
Monthly averages
Temp
28°C
Rain
101mm
Sun
7.8h
Sea
24°C
Weather score
72
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 101mm, so some wet days are possible.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Porto Alegre, Brazil with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December28°C average high
December sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
December101mm average rain
December sits on the drier side of Porto Alegre's year, which helps with sightseeing and transfers.
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
December7.8 hours average sun
December is one of Porto Alegre's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December24°C average sea
December sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
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
December72 weather score
December is one of Porto Alegre's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJanuary to March and November to December
These months have the strongest weather score in the monthly averages.