Cool
Average highs are around 6°C, so pack for cooler days.
December verdict
Grytviken, South Georgia and the South Sandwich Islands in December
Weather score17Poor
Poor for holiday weather
Average highs are around 6°C, so pack for cooler days. Sunshine averages 2.5h per day, so this is not one of the brighter months. Rainfall averages 90mm, so some wet days are possible.
December weather
Monthly averages
Temp
6°C
Rain
90mm
Sun
2.5h
Sea
3°C
Weather score
17
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 90mm, so some wet days are possible.
Limited sun
Sunshine averages 2.5h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 3°C, so the water can feel cool.
Map
Weather map
Compare Grytviken, South Georgia and the South Sandwich Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December6°C average high
December sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJanuary to March
This stretch sets the upper range for average daytime heat.
Rain
December90mm average rain
December is one of Grytviken's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
December2.5 hours average sun
December is brighter than Grytviken's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJanuary and October to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
December3°C average sea
December is close to Grytviken's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJanuary to April and December
Sea temperatures are usually near 4°C in this stretch, so swimming comfort is at its strongest.
Weather score
December17 weather score
December 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.