Climate - Rio Gallegos (Argentina)

The climate of Río Gallegos is temperate arid, with cold winters and cool summers.
The city is located in southern Argentina, at 51 degrees south latitude, in the province of Santa Cruz, on the estuary of the Gallego River, which gives the city its name. We are 60 km (37 mi) away from the southern border with Chile (although further south, there is the eastern part of the island of Tierra del Fuego, which also belongs to Argentina).
The rains are not abundant but are well distributed throughout the year. In winter, from June to August, it can even snow.
The wind blows frequently, increasing the feeling of cold. The gusts can exceed 100 kmph (62 mph) even in summer. At night it gets often cold even in summer.

The average temperature of the coldest month (July) is of 1.6 °C (34.9 °F), that of the warmest month (January) is of 14.1 °C (57.4 °F). Here are the average temperatures.
Precipitation amounts to 270 millimeters (10.6 inches) per year: it is therefore scarce. It ranges from 13 mm (0.5 in) in the driest month (September) to 30 mm (1.2 in) in the wettest one (January). Here is the average precipitation.
The sea temperature ranges from 5 °C (5 °F) in August, September to 11.5 °C (11.5 °F) in February. Here are the average sea temperatures.
On average, there are around 1440 sunshine hours per year. Here are the average sunshine hours per day.

Rio Gallegos - 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 14.1 °C (57 °F), with a minimum of 7.3 °C (45.2 °F) and a maximum of 20.9 °C (69.6 °F).
On the coldest nights of the month, the temperature usually drops to around 2 °C (35.5 °F). However, in January 1996, it dropped to -0.7 °C (30.7 °F).
On the warmest days of the month, the temperature usually reaches around 27.5 °C (81 °F). However, in January 2013, it reached 30.4 °C (86.7 °F).
Precipitation amounts to 30 mm (1.2 in), distributed over 10 days.
On average, there are 135 hours of sunshine per month, i.e. 4.5 hours per day.
The average humidity is 50%.
The average wind speed is 27 kph (17 kph).
The average sea temperature is of 11 °C (51.5 °F).

In February, the average temperature is of 13.6 °C (57 °F), with a minimum of 6.8 °C (44.3 °F) and a maximum of 20.4 °C (68.8 °F).
On the coldest nights of the month, the temperature usually drops to around 1 °C (33.5 °F). However, in February 2012, it dropped to -3.5 °C (25.7 °F).
On the warmest days of the month, the temperature usually reaches around 27.5 °C (82 °F). However, in February 2019, it reached 35 °C (95 °F).
Precipitation amounts to 25 mm (1 in), distributed over 8 days.
On average, there are 135 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 54%.
The average wind speed is 25 kph (16 kph).
The average sea temperature is of 11.5 °C (52.5 °F).

In March, the average temperature is of 11.6 °C (53 °F), with a minimum of 5.1 °C (41.1 °F) and a maximum of 18.2 °C (64.8 °F).
On the coldest nights of the month, the temperature usually drops to around -1 °C (30 °F). However, in March 1995, it dropped to -6 °C (21.2 °F).
On the warmest days of the month, the temperature usually reaches around 26 °C (78.5 °F). However, in March 2009, it reached 33 °C (91.4 °F).
Precipitation amounts to 25 mm (1 in), distributed over 9 days.
On average, there are 135 hours of sunshine per month, i.e. 4.5 hours per day.
The average humidity is 59%.
The average wind speed is 23 kph (14 kph).
The average sea temperature is of 11 °C (51.5 °F).

In April, the average temperature is of 8.3 °C (47 °F), with a minimum of 2.2 °C (36 °F) and a maximum of 14.4 °C (57.8 °F).
On the coldest nights of the month, the temperature usually drops to around -4 °C (25.5 °F). However, in April 2016, it dropped to -7.8 °C (18 °F).
On the warmest days of the month, the temperature usually reaches around 21 °C (69.5 °F). However, in April 2020, it reached 28.2 °C (82.8 °F).
Precipitation amounts to 25 mm (1 in), distributed over 9 days.
On average, there are 105 hours of sunshine per month, i.e. 3.5 hours per day.
The average humidity is 66%.
The average wind speed is 21 kph (13 kph).
The average sea temperature is of 9.5 °C (49.5 °F).

In May, the average temperature is of 4.7 °C (40 °F), with a minimum of -0.3 °C (31.5 °F) and a maximum of 9.7 °C (49.4 °F).
On the coldest nights of the month, the temperature usually drops to around -7 °C (19.5 °F). However, in May 2008, it dropped to -10.2 °C (13.6 °F).
On the warmest days of the month, the temperature usually reaches around 15 °C (59.5 °F). However, in May 2006, it reached 19.4 °C (66.9 °F).
Precipitation amounts to 25 mm (1 in), distributed over 8 days.
On average, there are 100 hours of sunshine per month, i.e. 3.5 hours per day.
The average humidity is 74%.
The average wind speed is 19 kph (12 kph).
The average sea temperature is of 8.5 °C (47.5 °F).

In June, the average temperature is of 1.6 °C (35 °F), with a minimum of -2.5 °C (27.4 °F) and a maximum of 5.8 °C (42.4 °F).
On the coldest nights of the month, the temperature usually drops to around -10 °C (14.5 °F). However, in June 2005, it dropped to -17 °C (1.4 °F).
On the warmest days of the month, the temperature usually reaches around 11 °C (52 °F). However, in June 1996, it reached 17 °C (62.6 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 7 days.
On average, there are 85 hours of sunshine per month, i.e. 3 hours per day.
The average humidity is 79%.
The average wind speed is 19 kph (12 kph).
The average sea temperature is of 7.5 °C (45 °F).

In July, the coldest month of the year, the average temperature is of 1.6 °C (35 °F), with a minimum of -2.6 °C (27.2 °F) and a maximum of 5.8 °C (42.5 °F).
On the coldest nights of the month, the temperature usually drops to around -9.5 °C (14.5 °F). However, in July 1992, it dropped to -17 °C (1.4 °F).
On the warmest days of the month, the temperature usually reaches around 11 °C (51.5 °F). However, in July 1998, it reached 16.1 °C (61 °F).
Precipitation amounts to 20 mm (0.8 in), distributed over 7 days.
On average, there are 85 hours of sunshine per month, i.e. 2.5 hours per day.
The average humidity is 77%.
The average wind speed is 19 kph (12 kph).
The average sea temperature is of 6 °C (43 °F).

In August, the average temperature is of 3.5 °C (38 °F), with a minimum of -1.2 °C (29.8 °F) and a maximum of 8.2 °C (46.8 °F).
On the coldest nights of the month, the temperature usually drops to around -6.5 °C (20.5 °F). However, in August 1995, it dropped to -12.7 °C (9.1 °F).
On the warmest days of the month, the temperature usually reaches around 13.5 °C (56.5 °F). However, in August 1992, it reached 19 °C (66.2 °F).
Precipitation amounts to 15 mm (0.6 in), distributed over 6 days.
On average, there are 105 hours of sunshine per month, i.e. 3.5 hours per day.
The average humidity is 72%.
The average wind speed is 21 kph (13 kph).
The average sea temperature is of 5 °C (41.5 °F).

In September, the average temperature is of 6.3 °C (43 °F), with a minimum of 0.5 °C (32.9 °F) and a maximum of 12.1 °C (53.8 °F).
On the coldest nights of the month, the temperature usually drops to around -5 °C (23.5 °F). However, in September 2000, it dropped to -9 °C (15.8 °F).
On the warmest days of the month, the temperature usually reaches around 18 °C (64.5 °F). However, in September 1996, it reached 22.4 °C (72.3 °F).
Precipitation amounts to 13 mm (0.5 in), distributed over 6 days.
On average, there are 125 hours of sunshine per month, i.e. 4 hours per day.
The average humidity is 63%.
The average wind speed is 22 kph (14 kph).
The average sea temperature is of 5 °C (41 °F).

In October, the average temperature is of 9.0 °C (48 °F), with a minimum of 2.2 °C (36 °F) and a maximum of 15.7 °C (60.3 °F).
On the coldest nights of the month, the temperature usually drops to around -3.5 °C (25.5 °F). However, in October 2009, it dropped to -6.8 °C (19.8 °F).
On the warmest days of the month, the temperature usually reaches around 21.5 °C (71 °F). However, in October 2001, it reached 25 °C (77 °F).
Precipitation amounts to 15 mm (0.6 in), distributed over 6 days.
On average, there are 165 hours of sunshine per month, i.e. 5.5 hours per day.
The average humidity is 54%.
The average wind speed is 25 kph (16 kph).
The average sea temperature is of 6 °C (42.5 °F).

In November, the average temperature is of 11.3 °C (52 °F), with a minimum of 4.5 °C (40.2 °F) and a maximum of 18.1 °C (64.6 °F).
On the coldest nights of the month, the temperature usually drops to around -1.5 °C (29 °F). However, in November 2004, it dropped to -5.5 °C (22.1 °F).
On the warmest days of the month, the temperature usually reaches around 24.5 °C (76 °F). However, in November 2003, it reached 28.5 °C (83.3 °F).
Precipitation amounts to 25 mm (1 in), distributed over 8 days.
On average, there are 145 hours of sunshine per month, i.e. 5 hours per day.
The average humidity is 50%.
The average wind speed is 27 kph (17 kph).
The average sea temperature is of 7.5 °C (45.5 °F).

In December, the average temperature is of 13.0 °C (55 °F), with a minimum of 6.4 °C (43.5 °F) and a maximum of 19.6 °C (67.2 °F).
On the coldest nights of the month, the temperature usually drops to around 1 °C (34 °F). However, in December 2010, it dropped to -2.5 °C (27.5 °F).
On the warmest days of the month, the temperature usually reaches around 26 °C (79 °F). However, in December 1995, it reached 30.4 °C (86.7 °F).
Precipitation amounts to 25 mm (1 in), distributed over 10 days.
On average, there are 125 hours of sunshine per month, i.e. 4 hours per day.
The average humidity is 50%.
The average wind speed is 28 kph (17 kph).
The average sea temperature is of 9 °C (48.5 °F).