Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
December verdict
Oiapoque, Brazil in December
Weather score53Mixed
Mixed for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 4.9h per day, so this is not one of the brighter months. Rainfall averages 322mm, so showers are a real planning factor.
December weather
Monthly averages
Temp
29°C
Rain
322mm
Sun
4.9h
Sea
28°C
Weather score
53
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 322mm, so showers are a real planning factor.
Limited sun
Sunshine averages 4.9h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Oiapoque, Brazil with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December29°C average high
December is close to Oiapoque's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsAugust to November
This stretch sets the upper range for average daytime heat.
Rain
December322mm average rain
December sits near Oiapoque's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJuly to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December4.9 hours average sun
December is below Oiapoque's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsAugust to October
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December28°C average sea
December is close to Oiapoque's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaApril to December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
December53 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsAugust to October
These months have the strongest weather score in the monthly averages.