In general the best time to visit Buenos Aires is probably January, when the weather is usually great. The hottest months are January, February, December, while the coldest months are June, July, August.
The best time to visit may differ depending on what you are looking for:
The best time for a sun tanning holiday is January, February, December. Average maximum temperatures are up to +82°F in January and it has 12 sunny days on average.
In general, it’s pleasant to walk and do outdoor activities during January - December.
If you want to avoid wet weather, then your choice is May, June, July with the lowest chance of rain.
Average weather in Buenos Aires in different months
This is the average weather in Buenos Aires for each month based on historic data:
January, February, March, August, September, October, November, December usually has good weather. Average maximum temperature reaches +82°F during January.
In April, May, June, July the weather is average. Expect around 29 rainy days, and the precipitation amounts to approximately 88 mm in April.
Climate in Buenos Aires
Here is the detailed breakdown of the climate in Buenos Aires for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+106°F
+100°F
+99°F
+91°F
+86°F
+79°F
+88°F
+90°F
+88°F
+95°F
+95°F
+102°F
Average Maximum Temperature
+82°F
+81°F
+77°F
+70°F
+64°F
+59°F
+57°F
+61°F
+64°F
+70°F
+75°F
+81°F
Minimum Temperature
+52°F
+46°F
+46°F
+41°F
+34°F
+28°F
+28°F
+30°F
+32°F
+36°F
+43°F
+48°F
Avg. water temperature
+78°F
+76°F
+75°F
+70°F
+64°F
+60°F
+56°F
+57°F
+60°F
+66°F
+72°F
+74°F
Humidity, %
66
70
72
75
77
77
76
74
72
71
68
66
Rain, mm
87
98
93
88
62
48
51
58
69
102
97
86
Snow, mm
0
0
0
0
0
0
0
0
0
0
0
0
Average wind speed, m/s
3
3
3
3
3
3
3
3
4
4
4
3
Sunny Days
12
11
12
12
11
10
11
12
11
10
11
12
Cloud Days
6
5
6
7
11
11
12
10
9
7
6
5
Rainy Days
8
8
9
8
7
7
7
7
8
10
9
8
Snowy Days
0
0
0
0
0
0
0
0
0
0
0
0
Average Temperature
Here are the average maximum and minimum temperatures in Buenos Aires during the whole year:
The hottest month in Buenos Aires is January with average maximum temperature going up to +82°F. The coldest month is July with the lowest temperatures of +46°F.
Water temperature
Here are the water temperatures in Buenos Aires during the whole year:
Buenos Aires achieves its warmest water temperature in January, where the average sea temperature goes up to +75°F in average. Coldest water temperature is in July with +53°F in average.
When can you swim in Buenos Aires?
You can swim in Buenos Aires from January to December:
In January - March the water is comfortable (70°F - 77°F);
Humidity
The temperature feels different depending on humidity. Here is how humidity in Buenos Aires looks throughout the year, in %:
The most humid month in Buenos Aires is June with average humidity going up to 77%. The least humid month is January with an average humidity of 66%.
Rain
Amount of rainfall in mm. in Buenos Aires during the whole year based on historical data:
The sunniest and driest month is June with approximately 10 sunny days and a total precipitation of around 48 mm. The rainiest and wettest month is October with approximately 10 rainy days and 102 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Buenos Aires:
What is the hottest month in Buenos Aires?
The hottest month in Buenos Aires is January with average maximum temperature of +82°F.
What is the coldest month in Buenos Aires?
The coldest month in Buenos Aires is July with minimum temperatures of +46°F.
Is Buenos Aires worth visiting in winter?
If you are planning to visit Buenos Aires in winter you can expect pretty good weather. The best month is January with +82°F and 12 sunny days.
When does it rain the least in Buenos Aires?
if you're looking to visit Buenos Aires when it rains the least, you should plan your trip for October, February, November. During this time, rainfall is rare with the driest month being June with only 48 mm of rain.
Other cities in Argentina
Check out the weather for other cities in Argentina.
For this page, we’ve looked at the typical weather in Buenos Aires, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.