Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
December verdict
São Luís, Brazil in December
Weather score68Good
Good for holiday weather
Average highs sit around 32°C, giving warm days by monthly-average standards. Sunshine averages 6.6h per day, enough for a balanced month. Rainfall averages 85mm, so some wet days are possible.
December weather
Monthly averages
Temp
32°C
Rain
85mm
Sun
6.6h
Sea
28°C
Weather score
68
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 85mm, so some wet days are possible.
Some sun
Sunshine averages 6.6h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare São Luís, Brazil with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December32°C average high
December is close to São Luís' usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
December85mm average rain
December sits on the drier side of São Luís' year, which helps with sightseeing and transfers.
Driest monthsJune to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December6.6 hours average sun
December sits close to São Luís' yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJuly to November
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December28°C average sea
December is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
December68 weather score
December sits close to São Luís' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsAugust to November
These months have the strongest weather score in the monthly averages.