City break

Grytviken weather in August

Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

0

Holiday weather in August

Poor

Best time to visit: November – January

What is the weather like in Grytviken in August?

In August, Grytviken is freezing cold: daytime highs average 0 °C, and nights often drop below freezing (−3 °C). The sea averages 0.4 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 21 days, totalling 147 mm. Snow falls on about 21 days. It is often windy, with gusts of around 29 km/h. All in all, August is not an ideal month for a holiday in Grytviken.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score002
Day0°0°0°
Night−3°−3°−2°
Sea1°0°0°
Sun2 h3 h4 h
Rain days212119

More details for August

Daylight
9 h 26 min07:48 – 17:14
UV index
1 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
29 km/haverage daily peakAll months
Cloud cover
87 %on averageAll months
Hot days
0 days30 °C or more
Snow days
21 days1 cm or more of fresh snowAll months
Time zone
UTC−2Atlantic/South_Georgia

How the score comes together

  • Temperatureweight 50 %0 %
  • Sunshineweight 20 %0 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in August

  • Warm jacket
  • Hat, scarf & gloves
  • Rain jacket or umbrella
  • Windproof jacket

Grytviken in August: quick answers

Is Grytviken hot in August?

No. In August, Grytviken is freezing cold: daytime highs average 0 °C and nights drop to about −3 °C.

Can you swim in Grytviken in August?

Only if you don't mind cold water: in August the sea averages just 0.4 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Grytviken in August?

It rains often – on about 21 days, adding up to 147 mm.

Grytviken month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences