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Climate · Ushuaia

Ushuaia in December

Cool and wet, as the days lengthen.

Typical weather, averaged over 30 years

December in Ushuaia is cool: highs near 55°F, lows near 38°F. Rain falls on about five days a week, and the days lengthen by 11 minutes from the first week to the last.December in Ushuaia is cool: highs near 13°C, lows near 3°C. Rain falls on about five days a week, and the days lengthen by 11 minutes from the first week to the last.

High
55°F13°Caverage
Low
38°F3°Caverage
Wet days
5a week · 78% of days
Daylight
17h 14mon average

Is December a good time to visit Ushuaia?

Yes. December is one of Ushuaia's mildest months (December to March).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How December sits in the year

week by week

Temperature

Highs near 55°F in December, against 35°F to 57°F through the year.Highs near 13°C in December, against 2°C to 14°C through the year.

Chance of a wet day

78% of days in December, against 53% to 81% through the year.

Cloud cover

62% cover in December, against 62% to 70% through the year.

Daylight

17h 14m in December, against 7h 18m to 17h 14m through the year.

Week by week, lightly smoothed, with December shaded. The olive line marks the mildest months. Hover or tap a week for its figures.

Either side

  1. November51°11°low 34°low 1°5 wet days a weekRain on about five days a week.
  2. December55°13°low 38°low 3°5 wet days a weekRain on about five days a week.
  3. January57°14°low 40°low 4°6 wet days a weekRain on about six days a week.

Where Ushuaia sits, in December

America/Punta Arenas
this place
typical high in December 40°F4°C95°F35°C
Sunrise, mid-December
4:50 AMsets 10:06 PM
Above the sea
130 mlow-lying
Latitude
54.8°Ssouthern hemisphere
Nearest of ours
Bariloche1536 km north

The land around Ushuaia, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Argentina in December

high · low · wet days
See December on the planning mapThe whole year in Ushuaia

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Ushuaia. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (130 m) against the climate model's (314 m).Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match, and both highs and lows are adjusted for the town's height (130 m) against the climate model's (314 m). Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.