Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
December verdict
Santos, Sao Paulo, Brazil in December
Weather score52Mixed
Mixed for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 4.5h per day, so this is not one of the brighter months. Rainfall averages 284mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
28°C
Rain
284mm
Sun
4.5h
Sea
25°C
Weather score
52
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 284mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.5h per day, so this is not one of the brighter months.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Santos, Sao Paulo, 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
December284mm average rain
December is wetter than Santos' yearly average, so flexible plans matter more.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December4.5 hours average sun
December sits close to Santos' yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to August and November to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December25°C average sea
December sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJanuary to April
Sea temperatures are usually near 27°C in this stretch, so swimming comfort is at its strongest.
Weather score
December52 weather score
December sits close to Santos' yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to June, August, and November to December
These months have the strongest weather score in the monthly averages.
