Cool
Average highs are around 0°C, so pack for cooler days.
Weather Guide
Grytviken, South Georgia and the South Sandwich Islands Average Monthly Weather
Weather score13Poor annual avg
Best months: December, January, November
Across the year, average daytime temperatures are around 4°C, sunshine averages 1.8h per day, and rainfall totals about 1621mm. Sea temperatures average 2°C across the year.
Annual weather
Annual averages
Temp
4°C
Rain
1621mm
Annual total
Sun
1.8h
Sea
2°C
Weather score
13
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 143mm, so some wet days are possible.
Limited sun
Sunshine averages 0.9h 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 Grytviken, South Georgia and the South Sandwich Islands with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July0°C average high
July 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.
Rain
July143mm average rain
July 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.
Sun
July0.9 hours average sun
July is one of Grytviken's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary and October to December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July1°C average sea
July 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.
Weather score
July12 weather score
July 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.