Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
January verdict
Mixed for holiday weather
Average highs sit around 28°C, giving warm days by monthly-average standards. Sunshine averages 3.6h per day, so this is not one of the brighter months. Rainfall averages 423mm, so showers are a real planning factor.
Monthly averages
Temp
28°C
Rain
423mm
Sun
3.6h
Sea
27°C
Weather score
49
Mixed
Warm
Average highs sit around 28°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 423mm, so showers are a real planning factor.
Limited sun
Sunshine averages 3.6h per day, so this is not one of the brighter months.
Warm sea
Sea temperatures average 27°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Oiapoque, Brazil with nearby places by weather score, rain, sun, temperature, and swim conditions.
January28°C average high
January is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsAugust to November
This stretch sets the upper range for average daytime heat.
January423mm average rain
January is wetter than Oiapoque's yearly average, so flexible plans matter more.
Driest monthsJuly to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
January3.6 hours average sun
January is one of Oiapoque's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsAugust to October
This stretch has the strongest sunshine in the monthly averages.
January27°C average sea
January is one of the cooler sea months locally, though the water still averages warm enough for most swimmers.
Warmest seaApril to December
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
January49 weather score
January 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.