Ushuaia climate — normals and trends
Ushuaia (Argentina) has a tundra climate (ET) under the Köppen-Geiger classification. Its mean annual temperature is 2.1 °C and it receives 803 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is January (7.2 °C on average) and the coldest is July (-3.5 °C). Rainfall peaks in January.
Ushuaia averages 208 frost days, 0 hot days (≥ 30 °C) and 199 rainy days per year.
Ushuaia has warmed by +3.2 °C between 1940 and 2025, or +0.37 °C per decade. This trend is statistically significant.
The number of frost days there went from about 254 to 162 per year over the period.
The hottest day of the period reached 23.8 °C (on 4 February 2019) and the coldest -19.3 °C (on 14 July 1953).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
UshuaiaTierra del Fuego
- coords
- -54.81°, -68.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.1°C
Average daily high
5.2°C
Average daily low
-1.2°C
Annual rainfall
803mm
Sunshine / day
8.3h
Mean relative humidity
83%
Average peak wind
13.3km/h
Seasonal range
10.7°C
Frost days (< 0 °C)
208 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
199 d/yr
Annual snowfall
210.7 cm
Average feels-like high
1.9 °C
Average feels-like low
-4.7 °C
Average peak gust
48.7 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
11.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.2 °C
since 1940
+0.4 °C per decade · r² = 0.71 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
23.8 °C
4 February 2019
Coldest day
-19.3 °C
14 July 1953
Wettest day
38 mm
26 February 1965
Windiest day
34.9 km/h
4 March 1982
Strongest gust
141.5 km/h
30 November 1998
Hottest feels-like
24.1 °C
28 January 1975
Coldest feels-like
-24.1 °C
14 July 1953
Snowiest day
20.5 cm
7 December 1972
Sunniest day
17.0 h
13 December 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 13.3 °C | +2.6 °C | 122 mm | +20 mm |
| Feb | 10.1 °C | -0.4 °C | 119 mm | +38 mm |
| Mar | 9.8 °C | +1.1 °C | 87 mm | +10 mm |
| Apr | 8.0 °C | +2.5 °C | 48 mm | -15 mm |
| May | 3.1 °C | +1.1 °C | 72 mm | +16 mm |
| Jun | 1.4 °C | +2.1 °C | 49 mm | -0 mm |
| Jul | 1.5 °C | +2.6 °C | 39 mm | -11 mm |
| Aug | 3.1 °C | +2.7 °C | 25 mm | -27 mm |
| Sep | 5.6 °C | +2.8 °C | 52 mm | +5 mm |
| Oct | 8.3 °C | +2.9 °C | 67 mm | +13 mm |
| Nov | 8.6 °C | +0.6 °C | 131 mm | +56 mm |
| Dec | 9.9 °C | 0.0 °C | 129 mm | +31 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Ushuaia?
Ushuaia has a tundra climate (Köppen ET). Over 1940-2025, the average annual temperature is 2.1 °C and it receives 803 mm of precipitation per year.
What is the hottest day ever recorded in Ushuaia?
The hottest day measured in Ushuaia between 1940 and 2025 was 4 February 2019, reaching 23.8 °C.
What is the coldest day in Ushuaia?
The coldest day measured in Ushuaia between 1940 and 2025 was 14 July 1953, at -19.3 °C.
Does it snow in Ushuaia?
Yes. Ushuaia gets on average 210.7 cm of snow per year and has around 208 frost days.
Has the climate of Ushuaia warmed?
Yes: Ushuaia warmed by +3.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ushuaia?
The wettest day measured in Ushuaia between 1940 and 2025 was 26 February 1965, with 38 mm of rain in 24 hours.
What was the windiest day in Ushuaia?
The windiest day measured in Ushuaia between 1940 and 2025 was 4 March 1982, with winds reaching 34.9 km/h.
What is the warmest month in Ushuaia?
The warmest month in Ushuaia is January (7.2 °C on average); the coldest is July (-3.5 °C).
How much does it rain in Ushuaia?
Ushuaia receives on average 803 mm of precipitation per year, spread over about 199 rainy days.
Is it sunny in Ushuaia?
Ushuaia gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ushuaia?
The heaviest 24-hour snowfall measured in Ushuaia between 1940 and 2025 was 7 December 1972, with 20.5 cm.
Are there tropical nights in Ushuaia?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Ushuaia.
What was the most extreme apparent temperature in Ushuaia?
In Ushuaia, between 1940 and 2025, the highest apparent temperature reached 24.1 °C on 28 January 1975, and the lowest was -24.1 °C on 14 July 1953.
Compare Ushuaia with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ushuaia