Average weather, temperature, rainfall, sunshine hours
The climate of Gualeguaychú is
subtropical (according to the Köppen classification, humid subtropical climate - Cfa), with mild winters and hot, rainy summers. In summer, rainfall often occurs in the form of thunderstorms.
However, throughout the year, there can be
temperature swings.
Winter, from June to August, is mild, and is the relatively driest season, however, it can sometimes get cold at night. During cold spells, the temperature can drop a few degrees below freezing. The record is -7 °C (19.5 °F), set in June 1967. Sometimes fog can form.
During the day, it can get
hot all year round, in fact the records are equal to or higher than 30 °C (86 °F) even in winter.
Summer, from December to February, is hot and sunny, although thunderstorms are quite frequent. There can be heat waves, during which the temperature can reach 38/40 °C (100/104 °F). In January 2022 it reached 41.9 °C (107.4 °F). On other occasions, it can get very cool at night.
Gualeguaychú is a city of 110,000 inhabitants located in the northeast of Argentina, at 33 degrees south latitude, in the province of Entre Ríos, and about 20 kilometers away from the border with Uruguay.
Gualeguaychu - Climate data
In Gualeguaychu, the
average temperature of the coldest month (July) is of 11.3 °C (52.3 °F), that of the warmest month (January) is of 25 °C (77 °F). Here are the average temperatures.
Gualeguaychu - Average temperatures (1991-2020) Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
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January | 18.8 | 31.2 | 25 | 66 | 88 | 77 |
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February | 18 | 29.7 | 23.8 | 64 | 85 | 74.9 |
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March | 16.3 | 28 | 22.2 | 61 | 82 | 71.9 |
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April | 12.7 | 24.2 | 18.4 | 55 | 76 | 65.2 |
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May | 9.8 | 20.2 | 15 | 50 | 68 | 59 |
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June | 6.9 | 17.3 | 12.1 | 44 | 63 | 53.8 |
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July | 6 | 16.6 | 11.3 | 43 | 62 | 52.3 |
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August | 7.4 | 19.3 | 13.4 | 45 | 67 | 56 |
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September | 9.3 | 20.9 | 15.1 | 49 | 70 | 59.2 |
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October | 12.4 | 23.8 | 18.1 | 54 | 75 | 64.6 |
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November | 14.8 | 27.2 | 21 | 59 | 81 | 69.8 |
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December | 17.1 | 29.9 | 23.5 | 63 | 86 | 74.3 |
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Year | 12.4 | 24 | 18.2 | 54.4 | 75.2 | 64.5 |
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Precipitation amounts to 1220 millimeters (48 inches) per year: it is therefore quite abundant. It ranges from 56.5 mm (2.2 in) in the driest month (July) to 140.2 mm (5.5 in) in the wettest one (December). Here is the average precipitation.
Gualeguaychu - Average precipitationMonth | Millimeters | Inches | Days |
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January | 130 | 5.1 | 6 |
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February | 123 | 4.8 | 6 |
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March | 128 | 5.1 | 6 |
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April | 124 | 4.9 | 7 |
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May | 82 | 3.2 | 5 |
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June | 58 | 2.3 | 4 |
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July | 56 | 2.2 | 4 |
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August | 61 | 2.4 | 5 |
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September | 79 | 3.1 | 6 |
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October | 121 | 4.8 | 7 |
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November | 116 | 4.5 | 6 |
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December | 140 | 5.5 | 8 |
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Year | 1220 | 48 | 72 |
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There are on average around 2280
sunshine hours per year. Here are the average hours of sunshine per day.
Gualeguaychu - Sunshine hoursMonth | Average | Total |
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January | 8.5 | 255 | February | 7.5 | 215 | March | 6.5 | 200 | April | 6 | 175 | May | 5 | 155 | June | 4.5 | 130 | July | 5 | 150 | August | 5.5 | 175 | September | 5.5 | 165 | October | 6 | 190 | November | 8 | 235 | December | 7.5 | 235 | Year | 6.2 | 2280 |
Gualeguaychu - Weather by month
Based on the period 1991-2020
January, the hottest month of the year, is generally a warm to hot month. The average temperature is of 25 °C (77 °F), with a minimum of 18.8 °C (65.8 °F) and a maximum of 31.2 °C (88.2 °F).
On the coldest nights of the month, the temperature usually drops to around 12 °C (53.5 °F). However, it dropped to 7 °C (44.6 °F) in January 1999.
On the warmest days of the month, the temperature usually reaches around 37.5 °C (99.5 °F). However, it reached 41 °C (105.8 °F) in January 2006.
Precipitation amounts to 130.3 mm (5.1 in), distributed over 6 days.
The day lasts on average 14 hours and 0 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 64%.
The average wind speed is 10 kph (6 mph).
February is generally a warm to hot month. The average temperature is of 23.8 °C (75 °F), with a minimum of 18 °C (64.4 °F) and a maximum of 29.7 °C (85.5 °F).
On the coldest nights of the month, the temperature usually drops to around 10.5 °C (51.5 °F). However, it dropped to 7.5 °C (45.5 °F) in February 1996.
On the warmest days of the month, the temperature usually reaches around 36 °C (97 °F). However, it reached 38.5 °C (101.3 °F) in February 2003.
Precipitation amounts to 122.9 mm (4.8 in), distributed over 6 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 58% of the time.
The average humidity is 69%.
The average wind speed is 9 kph (6 mph).
March is generally a warm month. The average temperature is of 22.2 °C (72 °F), with a minimum of 16.3 °C (61.3 °F) and a maximum of 28 °C (82.4 °F).
On the coldest nights, the temperature usually drops to around 8.5 °C (47.5 °F). However, it dropped to 5.3 °C (41.5 °F) in March 2012.
On the warmest days, the temperature usually reaches around 34.5 °C (94 °F). However, it reached 37.5 °C (99.5 °F) in March 1999.
Precipitation amounts to 128.4 mm (5.1 in), distributed over 6 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 53% of the time.
The average humidity is 70%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
April is generally a warm month. The average temperature is of 18.4 °C (65 °F), with a minimum of 12.7 °C (54.9 °F) and a maximum of 24.2 °C (75.6 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 4.5 °C (40 °F). However, it dropped to 0.2 °C (32.4 °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 36 °C (96.8 °F) in April 2018.
Precipitation amounts to 124.4 mm (4.9 in), distributed over 7 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 52% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is 9 kph (5 mph).
May is generally a very mild month. The average temperature is of 15 °C (59 °F), with a minimum of 9.8 °C (49.6 °F) and a maximum of 20.2 °C (68.4 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 1 °C (34 °F). However, it dropped to -4 °C (24.8 °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 32.7 °C (90.9 °F) in May 2008.
Precipitation amounts to 81.8 mm (3.2 in), distributed over 5 days.
The day lasts on average 10 hours and 25 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).
June is generally a mild month. The average temperature is of 12.1 °C (54 °F), with a minimum of 6.9 °C (44.4 °F) and a maximum of 17.3 °C (63.1 °F).
On the coldest nights, the temperature usually drops to around -1.5 °C (29 °F). However, it dropped to -5.7 °C (21.7 °F) in June 1995.
On the warmest days, the temperature usually reaches around 25.5 °C (77.5 °F). However, it reached 29 °C (84.2 °F) in June 2015.
Precipitation amounts to 57.8 mm (2.3 in), distributed over 4 days.
The day lasts on average 10 hours and 0 minutes. June 21, the winter solstice, is the shortest day of the year in the Southern Hemisphere.
There are on average 4.5 hours of sunshine per day. So, the sun shines 43% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
July, the coldest month of the year, is generally a mild month. The average temperature is of 11.3 °C (52 °F), with a minimum of 6 °C (42.8 °F) and a maximum of 16.6 °C (61.9 °F).
On the coldest nights of the month, the temperature usually drops to around -2 °C (28 °F). However, it dropped to -4.8 °C (23.4 °F) in July 2012.
On the warmest days of the month, the temperature usually reaches around 26 °C (79 °F). However, it reached 31.3 °C (88.3 °F) in July 1997.
Precipitation amounts to 56.5 mm (2.2 in), distributed over 4 days.
The day lasts on average 10 hours and 10 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 10 kph (6 mph).
August is generally a mild month. The average temperature is of 13.4 °C (56 °F), with a minimum of 7.4 °C (45.3 °F) and a maximum of 19.3 °C (66.7 °F).
On the coldest nights of the month, the temperature usually drops to around -1.5 °C (29.5 °F). However, it dropped to -5.1 °C (22.8 °F) in August 1995.
On the warmest days of the month, the temperature usually reaches around 29.5 °C (84.5 °F). However, it reached 34.7 °C (94.5 °F) in August 2009.
Precipitation amounts to 60.6 mm (2.4 in), distributed over 5 days.
The day lasts on average 11 hours and 0 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 mph).
September is generally a very mild month. The average temperature is of 15.1 °C (59 °F), with a minimum of 9.3 °C (48.7 °F) and a maximum of 20.9 °C (69.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 1 °C (34 °F). However, it dropped to -2.3 °C (27.9 °F) in September 2002.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 30 °C (86 °F). However, it reached 37 °C (98.6 °F) in September 2013.
Precipitation amounts to 78.6 mm (3.1 in), distributed over 6 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 69%.
The average wind speed is 12 kph (8 mph).
October is generally a warm month. The average temperature is of 18.1 °C (65 °F), with a minimum of 12.4 °C (54.3 °F) and a maximum of 23.8 °C (74.8 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 5 °C (41 °F). However, it dropped to -1 °C (30.2 °F) in October 1999.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 32 °C (90 °F). However, it reached 37.1 °C (98.8 °F) in October 2014.
Precipitation amounts to 121 mm (4.8 in), distributed over 7 days.
The day lasts on average 13 hours and 0 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 69%.
The average wind speed is 12 kph (7 mph).
November is generally a warm month. The average temperature is of 21 °C (70 °F), with a minimum of 14.8 °C (58.6 °F) and a maximum of 27.2 °C (81 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 7.5 °C (46 °F). However, it dropped to 2 °C (35.6 °F) in November 2007.
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 39.3 °C (102.7 °F) in November 2020.
Precipitation amounts to 115.5 mm (4.5 in), distributed over 6 days.
The day lasts on average 13 hours and 55 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 64%.
The average wind speed is 12 kph (7 mph).
December is generally a warm to hot month. The average temperature is of 23.5 °C (74 °F), with a minimum of 17.1 °C (62.8 °F) and a maximum of 29.9 °C (85.8 °F).
On the coldest nights of the month, the temperature usually drops to around 10 °C (50 °F). However, it dropped to 5.5 °C (41.9 °F) in December 2010.
On the warmest days of the month, the temperature usually reaches around 36.5 °C (98 °F). However, it reached 40.7 °C (105.3 °F) in December 1999.
Precipitation amounts to 140.2 mm (5.5 in), distributed over 8 days.
The day lasts on average 14 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.
There are on average 7.5 hours of sunshine per day. So, the sun shines 53% of the time.
The average humidity is 62%.
The average wind speed is 11 kph (7 mph).