Grytviken (South Georgia) weather by month
The best time to visit Grytviken (South Georgia) is December to February — 65/100 in January, 9°C and 21 rainy days. The best season is summer, December to February (64/100 on average).
The worst month is June at 30/100 — freezing, rainy, clean air. See June →
Updated September 2026 · climate normals from ERA5 reanalysis
Best season: December to February (64/100 on average) · worst June (30/100)
- Days
- 9°C
- Nights
- 3°C
- Wet days
- 21
- Sun
- 10.9 h
- Humidity
- 92%
- Daylight
- 17 h

Grytviken, month by month
Comfort score out of 100 for the kind of trip Grytviken is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
What's on in Grytviken through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Grytviken in January
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 4 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Traveller notes on Grytviken
What people who have been say about the place — the year-round notes first, then month by month.
Nobody visits Grytviken in June - it's the dead of the sub-Antarctic winter and the expedition ships that call at South Georgia all run their season November through March. I couldn't find any traveler accounts of a June landing, but the station's own weather record explains why: highs hover right around freezing, it's dark by mid-afternoon with barely seven hours of daylight, and the wind off the water is relentless. Snow accumulates rather than melts this time of year. If you want to see the old whaling station and the elephant seals, plan for southern summer, not winter.
Trip reports specific to Grytviken are essentially nonexistent on the forum - this old whaling station is visited almost exclusively as a single stop on Antarctic expedition cruises, and posters on the Antarctic Adventures forum discuss South Georgia mainly in terms of ship itineraries and wildlife timing rather than shore-side weather. Posters who compare visit months do note that conditions can shift dramatically around different headlands and that snow chances are a real factor even heading into the austral summer. December sits in South Georgia's short summer season, but this remains a genuinely sub-Antarctic island: this note is grounded in that well-established regional climate pattern - persistently cold, damp, and snow-capable even at the warmest point of the year - rather than in destination-specific forum accounts, which simply don't exist in meaningful numbers for Grytviken.
Add your own note from Grytviken's card on the map.