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Ushuaia in December: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Ushuaia in December will be like? Take a look at our weather guide for Ushuaia, based on historical data.
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December

Weather in Ushuaia in December 2024

OK Weather
Mild
🌧️
Rainy
If you plan to visit Ushuaia in December, the weather is typically alright, with an average high temperature of +14°C during the day and approximately 0 sunny days. Expect some rainy, though, as there are typically 27 rainy days in the month and around 97 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+14°C
Avg. max. temperature
0°C
Min.
+25°C
Max.
97 mm
Total precipitation
76%
Avg. humidity
4 m/s
Avg. wind
0 ☀️
Sunny Days
4 ⛅️
Cloudy
27 🌦
Rainy
Our opinion: Ushuaia has OK weather in December.

Average temperature in Ushuaia in December

Here are the expected maximum, average and minimum temperatures in Ushuaia for December based on the historical data.
Last Year
Historical Data

Going from a maximum of +21°C during the day to a minimum of +2°C during the night, the temperature in December averages around +14°C.

The average maximum temperature goes up 16% by the end of the month, compared with the beginning of the month, from +12°C to +15°C.

Is Ushuaia warm or cold in December?

Ushuaia is typically mild in December.

Maximum temperatures go up compared to the previous month from +12°C to +14°C. The minimum temperature also goes up from +5°C to +7°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

December is one of the warmest months in Ushuaia, here is the comparison with other months:

Climate in Ushuaia in December

Ushuaia weather looks like this, on average, in December and the surrounding months.
NovemberDecemberJanuary
Avg. temperature
+12°C+14°C+15°C
Min. temperature
-3°C0°C+2°C
Max. temperature
+24°C+25°C+26°C
Rainfall
75 mm97 mm103 mm
Wind
4 m/s4 m/s4 m/s
Humidity
77%76%76%
Air pressure
997 HPa997 HPa997 HPa
Sunny days
100
Cloudy days
543
Rainy days
242727
Snowy days
100

December weather is still as ok as in November. It’s getting warmer as December arrives. The average maximum temperature goes up from +12°C to +14°C during the day. Prepare for more rain. Average rainfall goes from 75 mm to 97 mm. It feels drier, as humidity decreases from 77% to 76%. The average wind speed doesn’t change much during December, staying around 4 m/s. The days becoming less sunny, going from 1 sunny days in November to 0 in December.

January brings much the same weather, it remains ok.

Wind

Wind speed in Ushuaia in December based on historical data.
Last Year
Historical Data

The average wind speed is 7 m/s getting up to 15 m/s which is quite strong. The wind will cause branches to move and ground debris to fly around.

The average wind speed in Ushuaia is gradually increasing during December, going from 3 m/s to 10 m/s over the course of the month.

Rain

Amount of rainfall in mm during December in Ushuaia based on historical data.
Last Year
Historical Data
Typically, there is a 68% chance of rain on an average day in December, with total rainfall of approximately 66 mm. The maximum amount of rainfall per day is around 10 mm, which is considered light rain. December is a pretty wet month with over 21 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
December is one of the rainiest months in Ushuaia, here is a comparison with other months, total mm:
Ushuaia wettest month is January, where a typical day has a 87% chance of precipitation and 103 mm of rainfall per day. June, on the other hand, is the driest month with a mere 33% chance of precipitation and 37 mm of rainfall per day.

How was the weather last December in Ushuaia?

This is the weather in Ushuaia in December 2023:
1 December
☀️
+12°C
2 December
🌧️
+10°C
3 December
☁️
+13°C
4 December
☀️
+15°C
5 December
🌧️
+14°C
6 December
🌧️
+13°C
7 December
☀️
+15°C
8 December
☀️
+18°C
9 December
🌧️
+16°C
10 December
🌧️
+12°C
11 December
☀️
+13°C
12 December
☀️
+13°C
13 December
🌧️
+12°C
14 December
☀️
+14°C
15 December
🌧️
+15°C
16 December
🌧️
+11°C
17 December
☀️
+14°C
18 December
☀️
+18°C
19 December
☀️
+18°C
20 December
☁️
+21°C
21 December
☀️
+15°C
22 December
🌧️
+14°C
23 December
🌧️
+14°C
24 December
🌧️
+14°C
25 December
🌧️
+15°C
26 December
☀️
+17°C
27 December
🌧️
+13°C
28 December
🌧️
+10°C
29 December
☁️
+13°C
30 December
☁️
+16°C
31 December
☀️
+15°C
In December 2023 Ushuaia had 13 sunny days, 4 cloudy days, and 14 rainy days. The average maximum temperature was +14°C, with an absolute maximum of +21°C and a minimum of +10°C. The average humidity was 73%, with a maximum of 97% and a minimum of 43%. The average wind speed was 7 m/s, with a maximum of 19 m/s and a minimum of 0 m/s.
Are you planning a trip in December?

Climate Change over Years

This is how Ushuaia climate have been changing during last 43 years period.

The climate in Ushuaia in December has not changed much over the last 43 years.

The average temperature was the lowest in 1986 (+8°C) and the highest in 1998 (+11°C). The driest year was 2002 with only 618 mm of rainfall, and the wettest year was 2006 with 878 mm.

FAQ

Frequently asked questions about the weather in Ushuaia in December:

Is December a good time to visit Ushuaia?

It’s always a good time to visit Ushuaia, but the weather is changeable in December, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Ushuaia in December?

December has mild temperatures in Ushuaia. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Ushuaia rainy in December?

Ushuaia is often rainy in December. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Ushuaia in December?

Usually, it’s not very sunny in Ushuaia in December, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Argentina

Check out the weather for other cities in Argentina.

Monthly weather in Ushuaia

Source of the data

For this page, we’ve looked at the typical weather in Ushuaia, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.