Weather and climate in Concordia (Argentina)

Concordia's climate is subtropical (Köppen classification: humid subtropical climate - Cfa), with very mild winters (June to August) and hot summers (December to March). Rainfall is abundant and there is no dry season, however, winter is the relatively driest season, while in summer, rainfall often occurs in the form of thunderstorms.
The city is located in northeastern Argentina, at 31 degrees south latitude, in the province of Entre Rios, on the border with Uruguay, on the banks of the Uruguay River, beyond which lies the city of Salto. North of the two cities, the Salto Grande dam widens the river into a lagoon.



During the day it can get hot all year round, in fact the heat records are around 30 °C (86 °F) even in winter. Instead, from November to March, in summer, there can be heat waves, in which the temperature reaches or exceeds 38/40 °C (100/104 °F).
In January 1963 the temperature reached 42.1 °C (107.8 °F), while in January 2022 it reached 41.8 °C (107.2 °F).
But the Pampero, the south wind, is able to interrupt the hot and sultry periods, bringing pleasant (and sometimes very cool) weather for two or three days.
In winter, there can be cold waves from the south, during which the temperature can drop to the freezing point or a little below at night, and can remain around 10 °C (50 °F) during the day. The record is -5 °C (23 °F), set in June 1967.

Best Time

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It is difficult to find the best time to visit Concordia, also because there can be sudden changes in temperature. Anyway, you can choose the periods from mid-April to mid-May and the month of September, two periods in which both temperature and rainfall are halfway between winter and summer.
Winter is a very mild and relatively dry season, but it can sometimes get cold, especially at night.
In spring, sometimes starting from mid-August, it can get very hot. Summer is the sunniest season, but it is hot and muggy, and thunderstorms can break out.

Concordia - Climate data

The average temperature of the coldest month (July) is of 12.6 °C (54.7 °F), that of the warmest month (January) is of 25.7 °C (78.3 °F). Here are the average temperatures.
Precipitation amounts to 1470 millimeters (57.9 inches) per year: it is therefore quite abundant. It ranges from 55 mm (2.2 in) in the driest month (July) to 173 mm (6.8 in) in the wettest one (April). Here is the average precipitation.
There are on average around 2120 sunshine hours per year. Here are the average hours of sunshine per day.

Concordia - Weather by month

Based on the period 1991-2020

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January, the hottest month of the year, is generally a warm to hot month. The average temperature is of 25.7 °C (78 °F), with a minimum of 19.5 °C (67.1 °F) and a maximum of 31.9 °C (89.4 °F).
On the coldest nights of the month, the temperature usually drops to around 13 °C (56 °F). However, it dropped to 8.6 °C (47.5 °F) in January 1992.
On the warmest days of the month, the temperature usually reaches around 37.5 °C (100 °F). However, it reached 41 °C (105.8 °F) in January 2006.
Precipitation amounts to 140 mm (5.5 in), distributed over 7 days.
The day lasts on average 13 hours and 55 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 63%.
The average wind speed is 10 kph (6 mph).

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February is generally a warm to hot month. The average temperature is of 24.6 °C (76 °F), with a minimum of 18.9 °C (66 °F) and a maximum of 30.4 °C (86.7 °F).
On the coldest nights of the month, the temperature usually drops to around 12 °C (53.5 °F). However, it dropped to 7.4 °C (45.3 °F) in February 1991.
On the warmest days of the month, the temperature usually reaches around 36 °C (97 °F). However, it reached 40 °C (104 °F) in February 2013.
Precipitation amounts to 153 mm (6 in), distributed over 7 days.
The day lasts on average 13 hours and 10 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 68%.
The average wind speed is 10 kph (6 mph).

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March is generally a warm to hot, muggy month. The average temperature is of 22.9 °C (73 °F), with a minimum of 17.2 °C (63 °F) and a maximum of 28.6 °C (83.5 °F).
On the coldest nights, the temperature usually drops to around 10 °C (50.5 °F). However, it dropped to 4.8 °C (40.6 °F) in March 2000.
On the warmest days, the temperature usually reaches around 34.5 °C (94 °F). However, it reached 38 °C (100.4 °F) in March 2006.
Precipitation amounts to 136 mm (5.4 in), distributed over 7 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).

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April is generally a warm month. The average temperature is of 19.4 °C (67 °F), with a minimum of 14 °C (57.2 °F) and a maximum of 24.8 °C (76.6 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 5 °C (41 °F). However, it dropped to -0.3 °C (31.5 °F) in April 2008.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 31.5 °C (89 °F). However, it reached 35.8 °C (96.4 °F) in April 2018.
Precipitation amounts to 173 mm (6.8 in), distributed over 8 days.
The day lasts on average 11 hours and 20 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).

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May is generally a very mild month. The average temperature is of 15.8 °C (61 °F), with a minimum of 10.9 °C (51.6 °F) and a maximum of 20.8 °C (69.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 2 °C (36 °F). However, it dropped to -2.7 °C (27.1 °F) in May 2008.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 28 °C (82.5 °F). However, it reached 32.5 °C (90.5 °F) in May 2008.
Precipitation amounts to 112 mm (4.4 in), distributed over 6 days.
The day lasts on average 10 hours and 30 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).

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June is generally a mild month. The average temperature is of 13.4 °C (56 °F), with a minimum of 8.5 °C (47.3 °F) and a maximum of 18.2 °C (64.8 °F).
On the coldest nights, the temperature usually drops to around -1 °C (30.5 °F). However, it dropped to -4.5 °C (23.9 °F) in June 2012.
On the warmest days, the temperature usually reaches around 26 °C (78.5 °F). However, it reached 30.4 °C (86.7 °F) in June 2015.
Precipitation amounts to 86 mm (3.4 in), distributed over 5 days.
The day lasts on average 10 hours and 5 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
There are on average 3.5 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).

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July, the coldest month of the year, is generally a mild month. The average temperature is of 12.6 °C (55 °F), with a minimum of 7.4 °C (45.3 °F) and a maximum of 17.8 °C (64 °F).
On the coldest nights of the month, the temperature usually drops to around -2 °C (28.5 °F). However, it dropped to -4.6 °C (23.7 °F) in July 2009.
On the warmest days of the month, the temperature usually reaches around 27.5 °C (81.5 °F). However, it reached 30.6 °C (87.1 °F) in July 2005.
Precipitation amounts to 55 mm (2.2 in), distributed over 4 days.
The day lasts on average 10 hours and 20 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 40% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).

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August is generally a very mild month. The average temperature is of 14.6 °C (58 °F), with a minimum of 8.7 °C (47.7 °F) and a maximum of 20.5 °C (68.9 °F).
On the coldest nights of the month, the temperature usually drops to around -0.5 °C (31.5 °F). However, it dropped to -4.2 °C (24.4 °F) in August 1991.
On the warmest days of the month, the temperature usually reaches around 30.5 °C (87 °F). However, it reached 35.6 °C (96.1 °F) in August 1993.
Precipitation amounts to 75 mm (3 in), distributed over 5 days.
The day lasts on average 11 hours and 0 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).

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September is generally a very mild month. The average temperature is of 16.4 °C (62 °F), with a minimum of 10.5 °C (50.9 °F) and a maximum of 22.3 °C (72.1 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 2 °C (36 °F). However, it dropped to -1.4 °C (29.5 °F) in September 2006.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 31.5 °C (88.5 °F). However, it reached 37 °C (98.6 °F) in September 2004.
Precipitation amounts to 90 mm (3.5 in), distributed over 6 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 69%.
The average wind speed is 13 kph (8 mph).

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October is generally a warm month. The average temperature is of 19.2 °C (67 °F), with a minimum of 13.5 °C (56.3 °F) and a maximum of 24.9 °C (76.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 5.5 °C (42 °F). However, it dropped to 1.8 °C (35.2 °F) in October 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 33 °C (91.5 °F). However, it reached 37.4 °C (99.3 °F) in October 2019.
Precipitation amounts to 162 mm (6.4 in), distributed over 8 days.
The day lasts on average 12 hours and 55 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 69%.
The average wind speed is 13 kph (8 mph).

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November is generally a warm month. The average temperature is of 21.8 °C (71 °F), with a minimum of 15.6 °C (60.1 °F) and a maximum of 27.9 °C (82.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 8.5 °C (47.5 °F). However, it dropped to 3 °C (37.4 °F) in November 1992.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 35 °C (95 °F). However, it reached 38.6 °C (101.5 °F) in November 2020.
Precipitation amounts to 135 mm (5.3 in), distributed over 7 days.
The day lasts on average 13 hours and 40 minutes.
There are on average 7.5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 64%.
The average wind speed is 12 kph (7 mph).

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December is generally a warm to hot month. The average temperature is of 24.2 °C (76 °F), with a minimum of 17.9 °C (64.2 °F) and a maximum of 30.5 °C (86.9 °F).
On the coldest nights of the month, the temperature usually drops to around 11 °C (52 °F). However, it dropped to 7 °C (44.6 °F) in December 1993.
On the warmest days of the month, the temperature usually reaches around 36.5 °C (97.5 °F). However, it reached 40.7 °C (105.3 °F) in December 2013.
Precipitation amounts to 152 mm (6 in), distributed over 7 days.
The day lasts on average 14 hours and 10 minutes. So the days are long. December 21, the summer solstice, is the longest day of the year in the Southern Hemisphere.
There are on average 7 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 62%.
The average wind speed is 11 kph (7 mph).