Annual mean 25°C · wettest around November · prevailing wind NE
Warmest
29.5 °C
Coldest
27.3 °C
Wettest
77%
Windiest
5.0 m/s
Prevailing
NE
3.8 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Buenos Aires over the whole year is 25°C. March is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 22°C. Buenos Aires has no sharply defined rainy season: the chance of rain on a given day runs from 49% in December, the driest month, to 69% in November, the wettest. Winds in Buenos Aires are highest in February, averaging 3.9 m/s (14 km/h), and lightest in June, at 2.1 m/s (8 km/h). The prevailing wind is from the NE. The clearest skies in Buenos Aires come in January, when the sky is typically 49% covered; July is the cloudiest month, at 79%.
Month by month Buenos Aires climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
28°C
22°C
29°C
50%
49%
3.4 m/s
28
51
14
February
28°C
22°C
29°C
53%
50%
3.9 m/s
31
51
14
March
29°C
22°C
30°C
61%
53%
3.6 m/s
25
50
10
April
29°C
23°C
31°C
60%
65%
3.0 m/s
21
49
6
May
29°C
24°C
32°C
68%
74%
2.2 m/s
18
41
3
June
29°C
22°C
32°C
59%
78%
2.1 m/s
21
38
5
July
28°C
23°C
31°C
58%
79%
2.8 m/s
23
42
6
August
28°C
23°C
31°C
61%
75%
2.1 m/s
22
42
6
September
29°C
23°C
32°C
60%
73%
2.2 m/s
21
44
4
October
28°C
23°C
31°C
63%
73%
2.1 m/s
23
47
6
November
28°C
23°C
30°C
69%
69%
2.5 m/s
27
48
8
December
28°C
22°C
29°C
49%
55%
3.2 m/s
30
48
13
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Buenos Aires weather by season
Year round, Buenos Aires has days of about 28°C at their warmest in November, its coolest month, and 29°C in March, its warmest; the coolest hours of the day run from 22°C to 24°C through the year, and the average temperature over the year is 25°C around the clock. Rain is most likely around November and least likely around December. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Buenos Aires weather in winterDecember to February
High 28°CLow 22°CRain 51%
Winter in Buenos Aires has typical daily highs of about 28°C and lows of about 22°C, with a 51% chance of rain on a given day.
Buenos Aires weather in springMarch to May
High 29°CLow 23°CRain 63%
Spring in Buenos Aires has typical daily highs of about 29°C and lows of about 23°C, with a 63% chance of rain on a given day.
Buenos Aires weather in summerJune to August
High 28°CLow 22°CRain 59%
Summer in Buenos Aires has typical daily highs of about 28°C and lows of about 22°C, with a 59% chance of rain on a given day.
Buenos Aires weather in autumnSeptember to November
High 28°CLow 23°CRain 64%
Autumn in Buenos Aires has typical daily highs of about 28°C and lows of about 23°C, with a 64% chance of rain on a given day.
When is the rainy season in Buenos Aires?
Buenos Aires has no sharply defined rainy season: the chance of rain on a given day runs from 49% in December, the driest month, to 69% in November, the wettest.
What time of year is Buenos Aires windiest?
Winds in Buenos Aires are highest in February, averaging 3.9 m/s (14 km/h), and lightest in June, at 2.1 m/s (8 km/h). The prevailing wind is from the NE.
What is the average temperature in Buenos Aires year round?
The average temperature in Buenos Aires over the whole year is 25°C. March is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 22°C.