Grytviken in Winter
In winter (June, July and August), Grytviken sees average daytime highs around -2°C and overnight lows near -5°C, with 354 mm of precipitation over about 55 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across winter, daytime highs hold fairly steady around -2°C. The sky is clear or mostly clear about 3% of the time across winter, and the air most often feels dry.
Winter is Grytviken's best season of the year to visit on our travel score. Grytviken has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Grytviken's year-round climate.
- Avg daytime high
- -2°C
- coldest season of the year
- Avg overnight low
- -5°C
- Precipitation
- 354 mm
- 55 wet days
- Avg wind
- 20 km/h
- Travel score
- 0.0
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Grytviken in Winter
Across winter, daytime highs hold fairly steady around -2°C.
A typical winter day in Grytviken reaches about -2°C and drops to -5°C overnight. The warmest of the three months is June, the coolest July.
How winter really feels in Grytviken
Once humidity and wind are folded in, winter brings about 0 days that feel above 32°C and 92 that feel at or below 0°C.
The story in winter is cold — wind chill drags the overnight "feels like" below the raw low.
Grytviken weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 3° / 0° | 120 | 19.5 | 13.5 | 16.3 | 0.0 |
| Feb | 3° / 1° | 115 | 18.1 | 11.3 | 14.7 | 0.0 |
| Mar | 3° / 0° | 139 | 20.3 | 13.1 | 12.5 | 0.0 |
| Apr | 1° / -1° | 131 | 19.2 | 16.3 | 10.3 | 0.0 |
| May | -0° / -3° | 119 | 19.2 | 18.7 | 8.3 | 0.0 |
| Jun | -2° / -5° | 115 | 17.8 | 19.4 | 7.2 | 0.0 |
| Jul | -2° / -5° | 118 | 18.4 | 20.8 | 7.6 | 0.0 |
| Aug | -2° / -5° | 121 | 18.9 | 21.1 | 9.3 | 0.0 |
| Sep | -1° / -4° | 113 | 17.2 | 19.3 | 11.5 | 0.0 |
| Oct | -0° / -3° | 109 | 18.5 | 18.3 | 13.8 | 0.0 |
| Nov | 1° / -2° | 106 | 17.5 | 16.2 | 15.8 | 0.0 |
| Dec | 2° / -1° | 108 | 19 | 16 | 16.8 | 0.0 |
Cloud cover in Winter
The sky is clear or mostly clear about 3% of the time across winter.
Chance of precipitation in Winter
Grytviken gets around 354 mm of rain and snow over 55 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 20 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 7 h 30 min in early June to 10 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 0.9 kWh/m².
Is winter a good time to visit Grytviken?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Grytviken.
What to pack for Grytviken in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Grytviken sees daytime highs around -2°C and nights near -5°C. Pack a warm layer, a heavy coat and rain gear. Worth having: a windbreaker. About 55 days see rain.
Sea temperature near Grytviken in Winter
The nearest coast averages about 1°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 19 km away) is warmest in February at about 4°C and coldest in August near 0°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 3 | 4 | 4 | 3 | 2 | 1 | 1 | 0 | 0 | 1 | 2 | 3 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 3 | Bracing |
| Feb | 4 | Bracing |
| Mar | 4 | Bracing |
| Apr | 3 | Bracing |
| May | 2 | Bracing |
| Jun | 1 | Bracing |
| Jul | 1 | Bracing |
| Aug | 0 | Bracing |
| Sep | 0 | Bracing |
| Oct | 1 | Bracing |
| Nov | 2 | Bracing |
| Dec | 3 | Bracing |
UV index in Grytviken in Winter
Clear-sky midday UV across winter averages around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Grytviken peaks around December 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 7 | 4 | 2 | 1 | 0 | 1 | 1 | 3 | 7 | 8 | 10 |
| Level | Very high | Very high | Moderate | Moderate | Low | Low | Low | Low | Moderate | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 7 | Very high |
| Mar | 4 | Moderate |
| Apr | 2 | Moderate |
| May | 1 | Low |
| Jun | 0 | Low |
| Jul | 1 | Low |
| Aug | 1 | Low |
| Sep | 3 | Moderate |
| Oct | 7 | Very high |
| Nov | 8 | Very high |
| Dec | 10 | Very high |
Where is Grytviken?
Grytviken sits at 54.3°S, 36.5°W, 4 m above sea level, in South Georgia and the South Sandwich Islands. The nearest listed city is Stanley, 1,452 km away.
Topography around Grytviken
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Grytviken.
Within 3 km, the terrain around Grytviken has significant variations in elevation — a maximum elevation change of 589 m around an average of 172 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,359 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,915 m.
The land around Grytviken is covered by bare terrain (59%) and water (24%) within 3 km, water (46%), snow and ice (24%) and bare terrain (22%) within 16 km, and water (76%) within 80 km.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Grytviken (-54.2811°, -36.5092°, elevation 4 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.