Cool
Average highs are around 1°C, so pack for cooler days.
August verdict
Poor for holiday weather
Average highs are around 1°C, so pack for cooler days. Sunshine averages 1.5h per day, so this is not one of the brighter months. Rainfall averages 139mm, so some wet days are possible.
Monthly averages
Temp
1°C
Rain
139mm
Sun
1.5h
Sea
0°C
Weather score
13
Poor
Cool
Average highs are around 1°C, so pack for cooler days.
Showers
Rainfall averages 139mm, so some wet days are possible.
Limited sun
Sunshine averages 1.5h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 0°C, so the water can feel cool.
Map
Compare Grytviken, South Georgia and the South Sandwich Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
August1°C average high
August has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March
This stretch sets the upper range for average daytime heat.
August139mm average rain
August sits near Grytviken's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August1.5 hours average sun
August is below Grytviken's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary and October to December
This stretch has the strongest sunshine in the monthly averages.
August0°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 and December
Sea temperatures are usually near 4°C in this stretch, so swimming comfort is at its strongest.
August13 weather score
August is close to Grytviken's usual weather score, with limited month-to-month change.
Best weather monthsAll year
The weather score stays consistently strong through the year.