Climate - Ushuaia (Argentina)

Ushuaia's climate is cold oceanic, with cold winters and very cool summers.
The city is located in the far south of Argentina, at 54 degrees south latitude, in Patagonia, on the coast of the Isla Grande (Big Island) of Tierra del Fuego (half of which belongs to Chile), in an inland bay, the Beagle Channel, which resembles a fjord.
The rains are frequent all year round, although they are not abundant.
Snowfalls generally occur from April to November, however, if we exclude some very cold periods from June to August, the temperature generally exceeds freezing during the day, so the snow, even if it had accumulated, melts quite soon.
However, at night it can get cold even in summer.
The nearby mountains are covered with snow from 500/600 meters (1,650/2,000 feet).

The average temperature of the coldest month (June) is of 2.3 °C (36.1 °F), that of the warmest month (January) is of 10.3 °C (50.5 °F). Here are the average temperatures.
Precipitation amounts to 535 millimeters (21.1 inches) per year: so, it is at an intermediate level. It ranges from 35 mm (1.4 in) in the driest months (August, September, October) to 55 mm (2.2 in) in the wettest ones (April, June) Here is the average precipitation.
The sea temperature ranges from 5.5 °C (5.5 °F) in August, September to 9 °C (9 °F) in February, March. Here are the average sea temperatures.
On average, there are around 1435 sunshine hours per year. Here are the average sunshine hours per day.

Ushuaia - Weather by month

Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)

In January, the warmest month of the year, the average temperature is of 10.3 °C (51 °F), with a minimum of 6.1 °C (43 °F) and a maximum of 14.4 °C (58 °F).
On the coldest nights of the month, the temperature usually drops to around 2 °C (36 °F). However, in January 1997, it dropped to -1 °C (30.2 °F).
On the warmest days of the month, the temperature usually reaches around 21.5 °C (71 °F). However, in January 2008, it reached 27 °C (80.6 °F).
Precipitation amounts to 50 mm (2 in), distributed over 17 days.
On average, there are 165 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 69%.
The average wind speed is 25 kph (16 kph).
The average sea temperature is of 8.5 °C (47.5 °F).

In February, the average temperature is of 10.2 °C (50 °F), with a minimum of 6 °C (42.7 °F) and a maximum of 14.4 °C (57.9 °F).
On the coldest nights of the month, the temperature usually drops to around 2 °C (35.5 °F). However, in February 1996, it dropped to -2.3 °C (27.9 °F).
On the warmest days of the month, the temperature usually reaches around 22 °C (71.5 °F). However, in February 2004, it reached 27.5 °C (81.5 °F).
Precipitation amounts to 40 mm (1.6 in), distributed over 14 days.
On average, there are 145 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 72%.
The average wind speed is 23 kph (14 kph).
The average sea temperature is of 9 °C (48 °F).

In March, the average temperature is of 9.0 °C (48 °F), with a minimum of 5 °C (41.1 °F) and a maximum of 13 °C (55.3 °F).
On the coldest nights of the month, the temperature usually drops to around 1 °C (33.5 °F). However, in March 1992, it dropped to -3.8 °C (25.2 °F).
On the warmest days of the month, the temperature usually reaches around 20 °C (67.5 °F). However, in March 2005, it reached 25 °C (77 °F).
Precipitation amounts to 45 mm (1.8 in), distributed over 15 days.
On average, there are 135 hours of sunshine per month, i.e. 4.5 hours per day.
The average humidity is 73%.
The average wind speed is 21 kph (13 kph).
The average sea temperature is of 9 °C (48 °F).

In April, the average temperature is of 6.6 °C (44 °F), with a minimum of 3.1 °C (37.6 °F) and a maximum of 10 °C (50 °F).
On the coldest nights of the month, the temperature usually drops to around -1 °C (30.5 °F). However, in April 2016, it dropped to -4.5 °C (23.9 °F).
On the warmest days of the month, the temperature usually reaches around 16 °C (61 °F). However, in April 2013, it reached 21.6 °C (70.9 °F).
Precipitation amounts to 55 mm (2.2 in), distributed over 16 days.
On average, there are 100 hours of sunshine per month, i.e. 3.5 hours per day.
The average humidity is 76%.
The average wind speed is 20 kph (12 kph).
The average sea temperature is of 8 °C (47 °F).

In May, the average temperature is of 4.6 °C (40 °F), with a minimum of 1.7 °C (35 °F) and a maximum of 7.5 °C (45.5 °F).
On the coldest nights of the month, the temperature usually drops to around -2.5 °C (27 °F). However, in May 1991, it dropped to -7.7 °C (18.1 °F).
On the warmest days of the month, the temperature usually reaches around 13.5 °C (56.5 °F). However, in May 1995, it reached 17.5 °C (63.5 °F).
Precipitation amounts to 50 mm (2 in), distributed over 14 days.
On average, there are 70 hours of sunshine per month, i.e. 2 hours per day.
The average humidity is 78%.
The average wind speed is 16 kph (10 kph).
The average sea temperature is of 7.5 °C (45.5 °F).

In June, the coldest month of the year, the average temperature is of 2.3 °C (36 °F), with a minimum of -0.3 °C (31.4 °F) and a maximum of 4.8 °C (40.7 °F).
On the coldest nights of the month, the temperature usually drops to around -5 °C (23 °F). However, in June 1992, it dropped to -13.8 °C (7.2 °F).
On the warmest days of the month, the temperature usually reaches around 10.5 °C (51 °F). However, in June 2013, it reached 15.6 °C (60.1 °F).
Precipitation amounts to 55 mm (2.2 in), distributed over 14 days.
On average, there are 40 hours of sunshine per month, i.e. 1.5 hours per day.
The average humidity is 80%.
The average wind speed is 17 kph (11 kph).
The average sea temperature is of 7 °C (44 °F).

In July, the average temperature is of 2.3 °C (36 °F), with a minimum of -0.5 °C (31.1 °F) and a maximum of 5 °C (41.1 °F).
On the coldest nights of the month, the temperature usually drops to around -5 °C (23.5 °F). However, in July 1992, it dropped to -12.8 °C (9 °F).
On the warmest days of the month, the temperature usually reaches around 10.5 °C (50.5 °F). However, in July 2010, it reached 17 °C (62.6 °F).
Precipitation amounts to 40 mm (1.6 in), distributed over 15 days.
On average, there are 55 hours of sunshine per month, i.e. 2 hours per day.
The average humidity is 79%.
The average wind speed is 18 kph (11 kph).
The average sea temperature is of 6 °C (43 °F).

In August, the average temperature is of 3.1 °C (38 °F), with a minimum of 0.1 °C (32.1 °F) and a maximum of 6.2 °C (43.2 °F).
On the coldest nights of the month, the temperature usually drops to around -4 °C (25 °F). However, in August 1991, it dropped to -11 °C (12.2 °F).
On the warmest days of the month, the temperature usually reaches around 11 °C (52 °F). However, in August 2003, it reached 17.1 °C (62.8 °F).
Precipitation amounts to 35 mm (1.4 in), distributed over 14 days.
On average, there are 85 hours of sunshine per month, i.e. 2.5 hours per day.
The average humidity is 76%.
The average wind speed is 18 kph (11 kph).
The average sea temperature is of 5.5 °C (42.5 °F).

In September, the average temperature is of 4.8 °C (41 °F), with a minimum of 1.2 °C (34.1 °F) and a maximum of 8.5 °C (47.2 °F).
On the coldest nights of the month, the temperature usually drops to around -3 °C (26.5 °F). However, in September 2000, it dropped to -6.5 °C (20.3 °F).
On the warmest days of the month, the temperature usually reaches around 14 °C (57 °F). However, in September 1996, it reached 19.8 °C (67.6 °F).
Precipitation amounts to 35 mm (1.4 in), distributed over 13 days.
On average, there are 125 hours of sunshine per month, i.e. 4 hours per day.
The average humidity is 72%.
The average wind speed is 20 kph (12 kph).
The average sea temperature is of 5.5 °C (42 °F).

In October, the average temperature is of 6.8 °C (44 °F), with a minimum of 2.6 °C (36.8 °F) and a maximum of 11 °C (51.7 °F).
On the coldest nights of the month, the temperature usually drops to around -2 °C (29 °F). However, in October 2013, it dropped to -5 °C (23 °F).
On the warmest days of the month, the temperature usually reaches around 16.5 °C (62 °F). However, in October 2015, it reached 23.7 °C (74.7 °F).
Precipitation amounts to 35 mm (1.4 in), distributed over 14 days.
On average, there are 165 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 68%.
The average wind speed is 22 kph (14 kph).
The average sea temperature is of 6 °C (43 °F).

In November, the average temperature is of 8.2 °C (47 °F), with a minimum of 3.8 °C (38.8 °F) and a maximum of 12.5 °C (54.6 °F).
On the coldest nights of the month, the temperature usually drops to around -0.5 °C (31 °F). However, in November 2002, it dropped to -3 °C (26.6 °F).
On the warmest days of the month, the temperature usually reaches around 19 °C (66 °F). However, in November 1992, it reached 26.3 °C (79.3 °F).
Precipitation amounts to 40 mm (1.6 in), distributed over 16 days.
On average, there are 180 hours of sunshine per month, i.e. 6 hours per day.
The average humidity is 68%.
The average wind speed is 24 kph (15 kph).
The average sea temperature is of 6.5 °C (44 °F).

In December, the average temperature is of 9.4 °C (49 °F), with a minimum of 5.1 °C (41.3 °F) and a maximum of 13.6 °C (56.4 °F).
On the coldest nights of the month, the temperature usually drops to around 1 °C (34 °F). However, in December 2005, it dropped to -1 °C (30.2 °F).
On the warmest days of the month, the temperature usually reaches around 20 °C (67.5 °F). However, in December 1995, it reached 25.3 °C (77.5 °F).
Precipitation amounts to 50 mm (2 in), distributed over 17 days.
On average, there are 165 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 69%.
The average wind speed is 25 kph (15 kph).
The average sea temperature is of 7.5 °C (46 °F).