Grytviken weather by month

Check out Grytviken weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature
Rainfall
Sunshine & daylight
UV levels & humidity

Temperature in Grytviken (°F)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Max temperature (daytime)	45	46	45	39	36	34	32	34	36	39	41	43
Min temperature (night-time)	34	34	32	30	25	23	21	23	25	28	30	32
Heat & Humidity	0	0	0	0	0	0	0	0	0	0	0	0
Sea temperature	37	37	39	37	36	34	34	32	32	32	34	36

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Grytviken

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daily hours of sunshine	3	2	2	1	1	1	1	2	2	2	3	3
Daily hours of daylight	16	15	12	10	8	7	8	10	12	14	16	17
UV Index (Maximum)	7	6	4	2	1	0	0	1	2	5	7	8

Rainfall in Grytviken

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Number of days with some rain	17	16	18	19	18	16	17	15	18	18	17	16
Average monthly rainfall (inches)	4.4	5.6	6.1	6.2	7.0	5.8	5.6	5.5	5.4	4.6	4.0	3.5

More about the Grytviken

Grytviken by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the South Georgia

Auto Europe: up to 10% off - flash sale

Sale

Save up to 10% on car rentals with Auto Europe
Book car rentals across Lisbon, Paris & beyond
Travel before 31st December 2025 (inclusive)

Go to Auto Europe deal >>

Expires at 23:59 on Sunday 20th Jul 2025 · View all Auto Europe offers

The climate guide for South Georgia & South Sandwich, represented by Grytviken, (Grytviken) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Grytviken?

Grytviken has a very cold climate, too cold for trees.

Grytviken weather in January

Expect daytime maximum temperatures of 45°F in Grytviken, South Georgia & South Sandwich in January based on long-term weather averages. There are 3 hours of sunshine per day on average with 17 days with some rainfall and typically 4.4 inches of rainfall in the month.

45
45°F max day temperature
3
3 hours of sunshine per day
17
17 days with some rainfall
34
34°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
4.4
4.4 inches of monthly rainfall
7
7 (High) UV index
37
37°F sea temperature

Back to months

Grytviken weather in February

Expect daytime maximum temperatures of 46°F in Grytviken, South Georgia & South Sandwich in February based on long-term weather averages. There are 2 hours of sunshine per day on average with 16 days with some rainfall and typically 5.6 inches of rainfall in the month.

46
46°F max day temperature
2
2 hours of sunshine per day
16
16 days with some rainfall
34
34°F min night temperature
15
15 hours of daylight per day
0
No heat & humidity
5.6
5.6 inches of monthly rainfall
6
6 (High) UV index
37
37°F sea temperature

Back to months

Grytviken weather in March

Expect daytime maximum temperatures of 45°F in Grytviken, South Georgia & South Sandwich in March based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 6.1 inches of rainfall in the month.

45
45°F max day temperature
2
2 hours of sunshine per day
18
18 days with some rainfall
32
32°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
6.1
6.1 inches of monthly rainfall
4
4 (Moderate) UV index
39
39°F sea temperature

Back to months

Grytviken weather in April

Expect daytime maximum temperatures of 39°F in Grytviken, South Georgia & South Sandwich in April based on long-term weather averages. There is 1 hour of sunshine per day on average with 19 days with some rainfall and typically 6.2 inches of rainfall in the month.

39
39°F max day temperature
1
1 hour of sunshine per day
19
19 days with some rainfall
30
30°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
6.2
6.2 inches of monthly rainfall
2
2 (Low) UV index
37
37°F sea temperature

Back to months

Grytviken weather in May

Expect daytime maximum temperatures of 36°F in Grytviken, South Georgia & South Sandwich in May based on long-term weather averages. There is 1 hour of sunshine per day on average with 18 days with some rainfall and typically 7.0 inches of rainfall in the month, which might fall as snow.

36
36°F max day temperature
1
1 hour of sunshine per day
18
18 days with some rainfall
25
25°F min night temperature
8
8 hours of daylight per day
0
No heat & humidity
7.0
7.0 inches of monthly rainfall
1
1 (Low) UV index
36
36°F sea temperature

Back to months

Grytviken weather in June

Expect daytime maximum temperatures of 34°F in Grytviken, South Georgia & South Sandwich in June based on long-term weather averages. There is 1 hour of sunshine per day on average with 16 days with some rainfall and typically 5.8 inches of rainfall in the month, which might fall as snow.

34
34°F max day temperature
1
1 hour of sunshine per day
16
16 days with some rainfall
23
23°F min night temperature
7
7 hours of daylight per day
0
No heat & humidity
5.8
5.8 inches of monthly rainfall
0
No UV (Maximum) Index UV index
34
34°F sea temperature

Back to months

Grytviken weather in July

Expect daytime maximum temperatures of 32°F in Grytviken, South Georgia & South Sandwich in July based on long-term weather averages. There is 1 hour of sunshine per day on average with 17 days with some rainfall and typically 5.6 inches of rainfall in the month, which might fall as snow.

32
32°F max day temperature
1
1 hour of sunshine per day
17
17 days with some rainfall
21
21°F min night temperature
8
8 hours of daylight per day
0
No heat & humidity
5.6
5.6 inches of monthly rainfall
0
No UV (Maximum) Index UV index
34
34°F sea temperature

Back to months

Grytviken weather in August

Expect daytime maximum temperatures of 34°F in Grytviken, South Georgia & South Sandwich in August based on long-term weather averages. There are 2 hours of sunshine per day on average with 15 days with some rainfall and typically 5.5 inches of rainfall in the month, which might fall as snow.

34
34°F max day temperature
2
2 hours of sunshine per day
15
15 days with some rainfall
23
23°F min night temperature
10
10 hours of daylight per day
0
No heat & humidity
5.5
5.5 inches of monthly rainfall
1
1 (Low) UV index
32
32°F sea temperature

Back to months

Grytviken weather in September

Expect daytime maximum temperatures of 36°F in Grytviken, South Georgia & South Sandwich in September based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 5.4 inches of rainfall in the month, which might fall as snow.

36
36°F max day temperature
2
2 hours of sunshine per day
18
18 days with some rainfall
25
25°F min night temperature
12
12 hours of daylight per day
0
No heat & humidity
5.4
5.4 inches of monthly rainfall
2
2 (Low) UV index
32
32°F sea temperature

Back to months

Grytviken weather in October

Expect daytime maximum temperatures of 39°F in Grytviken, South Georgia & South Sandwich in October based on long-term weather averages. There are 2 hours of sunshine per day on average with 18 days with some rainfall and typically 4.6 inches of rainfall in the month, which might fall as snow.

39
39°F max day temperature
2
2 hours of sunshine per day
18
18 days with some rainfall
28
28°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
4.6
4.6 inches of monthly rainfall
5
5 (Moderate) UV index
32
32°F sea temperature

Back to months

Grytviken weather in November

Expect daytime maximum temperatures of 41°F in Grytviken, South Georgia & South Sandwich in November based on long-term weather averages. There are 3 hours of sunshine per day on average with 17 days with some rainfall and typically 4.0 inches of rainfall in the month.

41
41°F max day temperature
3
3 hours of sunshine per day
17
17 days with some rainfall
30
30°F min night temperature
16
16 hours of daylight per day
0
No heat & humidity
4.0
4.0 inches of monthly rainfall
7
7 (High) UV index
34
34°F sea temperature

Back to months

Grytviken weather in December

Expect daytime maximum temperatures of 43°F in Grytviken, South Georgia & South Sandwich in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 16 days with some rainfall and typically 3.5 inches of rainfall in the month.

43
43°F max day temperature
3
3 hours of sunshine per day
16
16 days with some rainfall
32
32°F min night temperature
17
17 hours of daylight per day
0
No heat & humidity
3.5
3.5 inches of monthly rainfall
8
8 (Very High) UV index
36
36°F sea temperature

Back to months