Cool
Average highs are around 16°C, so pack for cooler days.
Weather Guide
Réunion Average Monthly Weather
Weather score45Mixed annual avg
Best months: November, February, December
Across the year, average daytime temperatures are around 19°C, sunshine averages 5.9h per day, and rainfall totals about 1753mm. Sea temperatures average 26°C across the year.
Annual weather
Annual averages
Temp
19°C
Rain
1753mm
Annual total
Sun
5.9h
Sea
26°C
Weather score
45
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 94mm, so some wet days are possible.
Some sun
Sunshine averages 5.8h per day, enough for a balanced month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Réunion with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August16°C average high
August has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
Rain
August94mm average rain
August sits on the drier side of Réunion's year, which helps with sightseeing and transfers.
Driest monthsMay to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.8 hours average sun
August is close to Réunion's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsJanuary to February and August to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August23°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to April
Sea temperatures are usually near 28°C in this stretch, so swimming comfort is at its strongest.
Weather score
August37 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to June and September to December
These months have the strongest weather score in the monthly averages.