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Climate in Trelew (Argentina)


Average weather, temperature, rainfall, sunshine hours

Flag - Argentina

Trelew, where it is located


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Climate chart - Trelew
Trelew's climate is temperate arid, with quite mild winters (during which it can get cold at night) and hot summers (but with generally cool nights). The wind blows frequently.
The city is located in south-central Argentina, in Patagonia, at 43 degrees south latitude, on the banks of the Chubut River, and about 20 km (12 mi) away from the coast. In the latter, Playa Union is located, while a short distance away is the city of Rawson.
Even though it is located near the coast, the city is is subject to sudden changes in temperature, in fact, it is exposed both to outbreaks of cold air of Antarctic origin and to invasions of hot air of tropical origin.
Winter, from June to August, is quite dry, so snowfalls are rare and not abundant. Furthermore, since the city is located on the coast, cold air does not settle easily on the ground, and the temperature always exceeds freezing during the day. During cold spells, however, the night temperature can drop to around -10 °C (14 °F).
In summer, from December to February, it can sometimes get cold at night, while in other circumstances there can be heat waves, in which the temperature can reach 38/40 °C (100/104 °F). In any case, the wind blows frequently even in this season, moreover, the sea is cold.
About 85 km (52 mi) south of Trelew is Punta Tombo, a small peninsula that is home to the largest penguin colony in Argentina.

Trelew

Best Time



It is difficult to find the best time to visit Trelew, since at night, it can get cold all year round (but especially in winter), while during the day, it can get very hot all year round except in winter. However, you can choose the months of April and October.

Trelew - Climate data


In Trelew, the average temperature of the coldest month (July) is of 6.4 °C, that of the warmest month (January) is of 21.5 °C. Here are the average temperatures.
Trelew - Average temperatures (1991-2020)
Temperatures (°C)
MonthMinMaxMean
January13.729.321.5
February12.62820.3
March10.825.418.1
April72114
May3.616.19.9
June112.66.8
July0.312.46.4
August1.9158.4
September3.717.610.6
October6.621.213.9
November9.624.817.2
December1227.519.8
Year6.920.913.85

Precipitation amounts to 220 millimeters per year: it is therefore scarce. It ranges from 11.9 millimeters in the driest month (January) to 25.4 millimeters in the wettest one (June). Here is the average precipitation.
Trelew - Average precipitation
MonthRain (mm)Days
January122
February243
March213
April232
May234
June254
July173
August144
September153
October183
November132
December132
Year22036

The sea temperature ranges from 9.5 °C in August, September to 17.5 °C in February. Here are the average sea temperatures.
Trelew - Sea temperature
MonthTemperatures (°C)
January17
February17.5
March17
April15
May13
June11.5
July10
August9.5
September9.5
October10.5
November12.5">
December15
Year13.1

There are on average around 2725 sunshine hours per year. Here are the average hours of sunshine per day.
Trelew - Sunshine hours
MonthAverageTotal
January10.5320
February10280
March8250
April7210
May5160
June4.5140
July5160
August6180
September6.5195
October8250
November9.5280
December9.5295
Year7.52725

Trelew - Weather by month

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


January, the warmest month of the year, is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 21.5 °C, with a minimum of 13.7 °C and a maximum of 29.3 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 6.5 °C. However, it dropped to 3.4 °C in January 2005.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 37.5 °C. However, it reached 41.2 °C in January 2014.
Rain iconPrecipitation amounts to 11.9 mm, distributed over 2 days.
The day lasts on average 14 hours and 55 minutes. So the days are long.
Sun iconThere are on average 10.5 hours of sunshine per day. So, the sun shines 70% of the time.
The average humidity is 39%.
The average wind speed is of 24 kph.
Sea iconThe average sea temperature is of 16.9 °C. Therefore, the sea is cold for swimming.


February is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 20.3 °C, with a minimum of 12.6 °C and a maximum of 28 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 5.5 °C. However, it dropped to 1.5 °C in February 1993.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 37 °C. However, it reached 41 °C in February 2019.
Rain iconPrecipitation amounts to 23.5 mm, distributed over 3 days.
The day lasts on average 13 hours and 40 minutes.
Sun iconThere are on average 10 hours of sunshine per day. So, the sun shines 72% of the time.
The average humidity is 46%.
The average wind speed is of 22.7 kph.
Sea iconThe average sea temperature is of 17.3 °C. Therefore, the sea is cold for swimming.


March is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 18.1 °C, with a minimum of 10.8 °C and a maximum of 25.4 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 3 °C. However, it dropped to 0 °C in March 1998.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 35.5 °C. However, it reached 39.4 °C in March 2003.
Rain iconPrecipitation amounts to 21 mm, distributed over 3 days.
The day lasts on average 12 hours and 20 minutes.
Sun iconThere are on average 8 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 49%.
The average wind speed is of 20.2 kph.
Sea iconThe average sea temperature is of 16.8 °C. Therefore, the sea is cold for swimming.


April is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of 14 °C, with a minimum of 7 °C and a maximum of 21 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -0.5 °C. However, it dropped to -3.8 °C in April 1996.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 30 °C. However, it reached 35.2 °C in April 1998.
Rain iconPrecipitation amounts to 23.3 mm, distributed over 2 days.
The day lasts on average 10 hours and 50 minutes.
Sun iconThere are on average 7 hours of sunshine per day. So, the sun shines 65% of the time.
The average humidity is 53%.
The average wind speed is of 18.5 kph.
Sea iconThe average sea temperature is of 14.9 °C. Therefore, the sea is cold for swimming.


May is generally a mild month. The average temperature is of 9.9 °C, with a minimum of 3.6 °C and a maximum of 16.1 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -4 °C. However, it dropped to -8.5 °C in May 1993.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 25 °C. However, it reached 31 °C in May 2010.
Rain iconPrecipitation amounts to 22.6 mm, distributed over 4 days.
The day lasts on average 9 hours and 35 minutes.
Sun iconThere are on average 5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 62%.
The average wind speed is of 16.4 kph.
Sea iconThe average sea temperature is of 13 °C. Therefore, the sea is very cold for swimming.


June is generally a quite mild month. The average temperature is of 6.8 °C, with a minimum of 1 °C and a maximum of 12.6 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -6 °C. However, it dropped to -12.3 °C in June 2002.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 20.5 °C. However, it reached 26.8 °C in June 1996.
Rain iconPrecipitation amounts to 25.4 mm, distributed over 4 days.
The day lasts on average 9 hours and 0 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
Sun iconThere are on average 4.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 65%.
The average wind speed is of 16.2 kph.
Sea iconThe average sea temperature is of 11.3 °C. Therefore, the sea is very cold for swimming.


July, the coldest month of the year, is generally a quite cold month. The average temperature is of 6.4 °C, with a minimum of 0.3 °C and a maximum of 12.4 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -7 °C. However, it dropped to -11.4 °C in July 1995.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 20 °C. However, it reached 25 °C in July 1998.
Rain iconPrecipitation amounts to 17.4 mm, distributed over 3 days.
The day lasts on average 9 hours and 25 minutes.
Sun iconThere are on average 5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 63%.
The average wind speed is of 17.3 kph.
Sea iconThe average sea temperature is of 10.1 °C. Therefore, the sea is very cold for swimming.


August is generally a quite mild month. However, there are remarkable differences between night and day. The average temperature is of 8.4 °C, with a minimum of 1.9 °C and a maximum of 15 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -5 °C. However, it dropped to -10.6 °C in August 1997.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 23 °C. However, it reached 25.8 °C in August 2001.
Rain iconPrecipitation amounts to 14.1 mm, distributed over 4 days.
The day lasts on average 10 hours and 30 minutes.
Sun iconThere are on average 6 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 55%.
The average wind speed is of 19.1 kph.
Sea iconThe average sea temperature is of 9.3 °C. Therefore, the sea is very cold for swimming.


September is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of 10.6 °C, with a minimum of 3.7 °C and a maximum of 17.6 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -3.5 °C. However, it dropped to -7 °C in September 2001.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 26.5 °C. However, it reached 33 °C in September 1996.
Rain iconPrecipitation amounts to 14.7 mm, distributed over 3 days.
The day lasts on average 11 hours and 55 minutes.
Sun iconThere are on average 6.5 hours of sunshine per day. So, the sun shines 55% of the time.
The average humidity is 52%.
The average wind speed is of 20.1 kph.
Sea iconThe average sea temperature is of 9.5 °C. Therefore, the sea is very cold for swimming.


October is generally a mild month. However, there are remarkable differences between night and day. The average temperature is of 13.9 °C, with a minimum of 6.6 °C and a maximum of 21.2 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around -1 °C. However, it dropped to -5 °C in October 1999.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 30.5 °C. However, it reached 35 °C in October 2007.
Rain iconPrecipitation amounts to 18.1 mm, distributed over 3 days.
The day lasts on average 13 hours and 25 minutes.
Sun iconThere are on average 8 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 46%.
The average wind speed is of 22.1 kph.
Sea iconThe average sea temperature is of 10.7 °C. Therefore, the sea is very cold for swimming.


November is generally a very mild month. However, there are remarkable differences between night and day. The average temperature is of 17.2 °C, with a minimum of 9.6 °C and a maximum of 24.8 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 2.5 °C. However, it dropped to -2 °C in November 2014.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 33.5 °C. However, it reached 37.5 °C in November 1996.
Rain iconPrecipitation amounts to 12.9 mm, distributed over 2 days.
The day lasts on average 14 hours and 40 minutes. So the days are long.
Sun iconThere are on average 9.5 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 41%.
The average wind speed is of 23.7 kph.
Sea iconThe average sea temperature is of 12.6 °C. Therefore, the sea is very cold for swimming.


December is generally a warm month. However, there are remarkable differences between night and day. The average temperature is of 19.8 °C, with a minimum of 12 °C and a maximum of 27.5 °C.
Cold thermometer iconOn the coldest nights of the month, the temperature usually drops to around 5 °C. However, it dropped to 0.5 °C in December 2001.
Warm thermometer iconOn the warmest days of the month, the temperature usually reaches around 35.5 °C. However, it reached 39 °C in December 1995.
Rain iconPrecipitation amounts to 13.2 mm, distributed over 2 days.
The day lasts on average 15 hours and 20 minutes. So the days are long. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
Sun iconThere are on average 9.5 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 39%.
The average wind speed is of 23.9 kph.
Sea iconThe average sea temperature is of 14.9 °C. Therefore, the sea is cold for swimming.

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