, with mild winters and hot summers. The temperatures are those of the Mediterranean climate, but the rains follow a different pattern, since winter is not very rainy, while summer is the rainiest season (although this happens mainly due to afternoon thunderstorms, which do not reduce the hours of sunshine by much).
Buenos Aires is the capital of Argentina and is located in the north-central part of the country, on the banks of the River Plate (Río de la Plata), the estuary of the Uruguay and Paraná rivers which, after meeting, widen towards the sea.
, from June to August, is mild, with alternating periods of sunshine and bad weather. In periods of stable weather, fog can sometimes form.
Sometimes, the north wind can bring warm days, with highs of 25 °C (77 °F) and more, even in the dead of winter.
Very cold days are rare, however, the south wind, the Pampero, can bring slightly cold periods, with highs of 10 °C (50 °F) or less. On the coldest nights of the year, the temperature typically drops to around 0 °C (32 °F) in the historic districts overlooking the sea, while it drops to -3/-4 °C (25/27 °F) in the southwestern suburbs, where the airport is also located.
in Buenos Aires is extremely rare. In July 2007 there was a snowfall, not abundant but with a slight accumulation, as it had not happened since 1918.
, from December to February, is hot, with humid and unpleasant periods, which generally last a few days, interrupted by the arrival of cooler winds from the south, which can bring thunderstorms, sometimes intense, and a sharp drop in temperatures.
On the hottest days of the year, the temperature typically reaches 37/38 °C (97/100 °F). During the Christmas and New Year period of 2013-2014, there was a particularly intense heat wave, with a maximum of 39 °C (102 °F), and above all with high humidity and high temperatures even at night (the highest minimum was 26 °C or 79 °F at the observatory and 28 °C or 82 °F at the aerodrome, by the sea). In January 2022, the temperature exceeded 40 °C (104 °F) for four days, and reached 41.5 °C (106.5 °F) at the observatory, with a minimum of 30 °C (86 °F), the highest value since January 1957, when it had reached 43.3 °C (110 °F).
near Buenos Aires is not very warm, however, it can be considered warm enough for swimming from January through March.
, from September to November and from March to May, are mild but unsettled seasons, with fairly frequent and sometimes abundant rains.
In particular, floods can occasionally occur as a result of particularly heavy rains, especially in autumn, as occurred on May 31, 1985 (when 300 mm or 12 inches of rain fell in one day) and on April 2, 2013.
To visit Buenos Aires you can choose spring and autumn (in particular, the months of October-November and March-April), with a preference for spring, even though they are quite rainy seasons. In November, you can admire the purple flowering of Jacaranda trees.
Those who can stand the heat can also choose summer. However, winter is not a prohibitive season, and as mentioned, it is rare for it to be very cold.
Even in the height of summer, it is advisable to bring a sweatshirt for cooler evenings.
. Here are the average temperatures.
January, the hottest month of the year, is generally a warm to hot month. The average temperature is of
25.2 °C, with a minimum of
20.2 °C and a maximum of
30.1 °C.
On the coldest nights of the month, the temperature usually drops to around
13.5 °C. However, it dropped to
11.4 °C in January 2013.
On the warmest days of the month, the temperature usually reaches around
36.5 °C. However, it reached
38.8 °C in January 2012.
Precipitation amounts to
134.4 mm, distributed over 8 days.
The day lasts on average 14 hours and 10 minutes. So the days are long.
There are on average 9 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 63%.
The average wind speed is of
10.1 kph.
The average sea temperature is of
22.5 °C. Therefore, the sea can be considered barely acceptable for swimming.
February is generally a warm to hot month. The average temperature is of
24.2 °C, with a minimum of
19.4 °C and a maximum of
28.9 °C.
On the coldest nights of the month, the temperature usually drops to around
12 °C. However, it dropped to
10.2 °C in February 1995.
On the warmest days of the month, the temperature usually reaches around
35.5 °C. However, it reached
37.4 °C in February 2013.
Precipitation amounts to
129.3 mm, distributed over 7 days.
The day lasts on average 13 hours and 20 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 66%.
The average wind speed is of
9.3 kph.
The average sea temperature is of
22.7 °C. Therefore, the sea can be considered barely acceptable for swimming.
March is generally a warm month. The average temperature is of
22.4 °C, with a minimum of
17.7 °C and a maximum of
27 °C.
On the coldest nights of the month, the temperature usually drops to around
10 °C. However, it dropped to
7.4 °C in March 2013.
On the warmest days of the month, the temperature usually reaches around
33 °C. However, it reached
35.9 °C in March 2001.
Precipitation amounts to
120 mm, distributed over 7 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 69%.
The average wind speed is of
9.1 kph.
The average sea temperature is of
21.9 °C. Therefore, the sea is cool for swimming.
April is generally a warm month. The average temperature is of
18.6 °C, with a minimum of
14.1 °C and a maximum of
23.2 °C.
On the coldest nights of the month, the temperature usually drops to around
7.5 °C. However, it dropped to
4 °C in April 2012.
On the warmest days of the month, the temperature usually reaches around
30.5 °C. However, it reached
34.3 °C in April 2004.
Precipitation amounts to
130.3 mm, distributed over 7 days.
The day lasts on average 11 hours and 10 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
8.3 kph.
The average sea temperature is of
19.3 °C. Therefore, the sea is very cool for swimming.
May is generally a very mild month. The average temperature is of
15.2 °C, with a minimum of
11.1 °C and a maximum of
19.4 °C.
On the coldest nights of the month, the temperature usually drops to around
5 °C. However, it dropped to
1.4 °C in May 1997.
On the warmest days of the month, the temperature usually reaches around
26 °C. However, it reached
30 °C in May 1997.
Precipitation amounts to
93.5 mm, distributed over 5 days.
The day lasts on average 10 hours and 20 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
7.4 kph.
The average sea temperature is of
16.4 °C. Therefore, the sea is cold for swimming.
June is generally a mild month. The average temperature is of
12.4 °C, with a minimum of
8.4 °C and a maximum of
16.4 °C.
On the coldest nights of the month, the temperature usually drops to around
0.5 °C. However, it dropped to
-0.8 °C in June 1995.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
27.2 °C in June 2020.
Precipitation amounts to
61.5 mm, distributed over 5 days.
The day lasts on average 9 hours and 55 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 46% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
8.4 kph.
The average sea temperature is of
13.6 °C. Therefore, the sea is very cold for swimming.
July, the coldest month of the year, is generally a mild month. The average temperature is of
11.5 °C, with a minimum of
7.5 °C and a maximum of
15.5 °C.
On the coldest nights of the month, the temperature usually drops to around
1 °C. However, it dropped to
-1.4 °C in July 1991.
On the warmest days of the month, the temperature usually reaches around
24 °C. However, it reached
29.4 °C in July 1997.
Precipitation amounts to
74.4 mm, distributed over 6 days.
The day lasts on average 10 hours and 5 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 74%. Hence, the air is normally humid.
The average wind speed is of
8.8 kph.
The average sea temperature is of
11.9 °C. Therefore, the sea is very cold for swimming.
August is generally a mild month. The average temperature is of
13.4 °C, with a minimum of
8.9 °C and a maximum of
17.9 °C.
On the coldest nights of the month, the temperature usually drops to around
2.5 °C. However, it dropped to
-2.1 °C in August 1991.
On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
33.2 °C in August 1996.
Precipitation amounts to
70.3 mm, distributed over 5 days.
The day lasts on average 10 hours and 55 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 69%.
The average wind speed is of
9.5 kph.
The average sea temperature is of
11.7 °C. Therefore, the sea is very cold for swimming.
September is generally a very mild month. The average temperature is of
15.2 °C, with a minimum of
10.6 °C and a maximum of
19.7 °C.
On the coldest nights of the month, the temperature usually drops to around
4 °C. However, it dropped to
2.3 °C in September 1998.
On the warmest days of the month, the temperature usually reaches around
28.5 °C. However, it reached
35.3 °C in September 2013.
Precipitation amounts to
80.6 mm, distributed over 6 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 68%.
The average wind speed is of
10.5 kph.
The average sea temperature is of
12.8 °C. Therefore, the sea is very cold for swimming.
October is generally a very mild month. The average temperature is of
18 °C, with a minimum of
13.4 °C and a maximum of
22.6 °C.
On the coldest nights of the month, the temperature usually drops to around
6.5 °C. However, it dropped to
2.6 °C in October 1999.
On the warmest days of the month, the temperature usually reaches around
29.5 °C. However, it reached
35.6 °C in October 2014.
Precipitation amounts to
122.9 mm, distributed over 8 days.
The day lasts on average 13 hours and 0 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 51% of the time.
The average humidity is 68%.
The average wind speed is of
10.4 kph.
The average sea temperature is of
15.4 °C. Therefore, the sea is cold for swimming.
November is generally a warm month. The average temperature is of
21 °C, with a minimum of
16.1 °C and a maximum of
26 °C.
On the coldest nights of the month, the temperature usually drops to around
10.5 °C. However, it dropped to
5.1 °C in November 1992.
On the warmest days of the month, the temperature usually reaches around
34 °C. However, it reached
35.4 °C in November 1995.
Precipitation amounts to
117.6 mm, distributed over 7 days.
The day lasts on average 14 hours and 0 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 62%.
The average wind speed is of
10.4 kph.
The average sea temperature is of
18.1 °C. Therefore, the sea is cold for swimming.
December is generally a warm to hot month. The average temperature is of
23.8 °C, with a minimum of
18.5 °C and a maximum of
29 °C.
On the coldest nights of the month, the temperature usually drops to around
11.5 °C. However, it dropped to
7.8 °C in December 1999.
On the warmest days of the month, the temperature usually reaches around
36 °C. However, it reached
40.5 °C in December 1995.
Precipitation amounts to
122.8 mm, distributed over 7 days.
The day lasts on average 14 hours and 25 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 8.5 hours of sunshine per day. So, the sun shines 60% of the time.
The average humidity is 61%.
The average wind speed is of
10 kph.
The average sea temperature is of
20.7 °C. Therefore, the sea is cool for swimming.