Cool
Average highs are around 2°C, so pack for cooler days.
Weather Guide
Bouvet Island Average Monthly Weather
Weather score24Poor annual avg
Best months: December, January, November
Across the year, average daytime temperatures are around 4°C, sunshine averages 0h per day, and rainfall totals about 1044mm. Sea temperatures average 0°C across the year.
Annual weather
Annual averages
Temp
4°C
Rain
1044mm
Annual total
Sun
0h
Sea
0°C
Weather score
24
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 100mm, so some wet days are possible.
Limited sun
Sunshine averages 0h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average -1°C, so the water can feel cool.
Map
Weather map
Compare Bouvet Island with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August2°C average high
August has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to May
This stretch sets the upper range for average daytime heat.
Rain
August100mm average rain
August is wetter than Bouvet Island's yearly average, so flexible plans matter more.
Driest monthsJanuary to February and May to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August0 hours average sun
August is close to Bouvet Island's usual sunshine level, with limited seasonal swing across the year.
Brightest monthsAll year
Sunshine stays consistently strong through the year.
Sea temperature
August-1°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to May
Sea temperatures are usually near 1°C in this stretch, so swimming comfort is at its strongest.
Weather score
August20 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 February and October to December
These months have the strongest weather score in the monthly averages.