South Georgia & South Sandwich weather in December 2025

Q: How cold is it in the South Georgia & South Sandwich in December?

Daytime temperatures usually reach 6°C in Grytviken, South Georgia & South Sandwich in December, falling to -0°C at night.

Q: How sunny is it in the South Georgia & South Sandwich in December?

There are normally 3 hours of bright sunshine each day in Grytviken, South Georgia & South Sandwich in December - that's 15% of daylight hours.

Q: Is the sea cold around the South Georgia & South Sandwich in December?

The average sea temperature around Grytviken, South Georgia & South Sandwich in December is 2°C.

Q: Does it rain in the South Georgia & South Sandwich in December?

There are usually 16 days with some rain in Grytviken, South Georgia & South Sandwich in December and the average monthly rainfall is 90mm.

Expect daytime maximum temperatures of 43°F in 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

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The December weather guide for South Georgia & South Sandwich, represented by Grytviken, (Grytviken) shows long term 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.

Metric (°C) | Imperial (°F)

How cold is it in the South Georgia & South Sandwich in December?

Daytime temperatures usually reach 43°F in Grytviken, South Georgia & South Sandwich in December, falling to 32°F at night.

How sunny is it in the South Georgia & South Sandwich in December?

There are normally 3 hours of bright sunshine each day in Grytviken, South Georgia & South Sandwich in December - that's 15% of daylight hours.

How warm is the sea around the South Georgia & South Sandwich in December?

The average sea temperature around Grytviken, South Georgia & South Sandwich in December is 36°F.

Does it rain in the South Georgia & South Sandwich in December?

There are usually 16 days with some rain in Grytviken, South Georgia & South Sandwich in December and the average monthly rainfall is 3.5 inches.

South Georgia & South Sandwich December sunrise & sunset times

Browse the sunrise and sunset times for South Georgia & South Sandwich in December 2025. Select a month to view South Georgia & South Sandwich sunrise and sunset times for the next 12 months. The South Georgia & South Sandwich sunrise and sunset times shown below are for Grytviken.

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

Date	Sunrise times	Sunset times
Monday, 1st December 2025	03:52	20:39
Tuesday, 16th December 2025	03:47	20:57
Wednesday, 31st December 2025	03:56	21:02

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South Georgia and South Sandwich Islands - quick facts
Time difference	UK -2 hours
Language(s)	English
Currency	Pound Sterling
Electricity	G plug (230V)
Driving side	Left
Why visit?	Nature
Tourist info	Government of South Georgia & the South Sandwich Islands