The best time to visit Buenos Aires in Argentina is from January through May and October through December. In this period you have a warm temperature and little precipitation. The highest average temperature in Buenos Aires is 84°F in January and the lowest is 56°F in July. The water temperature is 80°F at its highest and in other months it can be 57°F.
In the table below you can quickly see the average monthly weather in Buenos Aires, the monthly temperatures or when the precipitation is the highest. Average monthly climate data is based on data from the past 30 years.
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Buenos Aires has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Buenos Aires is 41° degrees and there is about 224 inch of rain in a year. It is dry for 255 days a year with an average humidity of 70% and an UV-index of 5.
Climate Buenos Aires by month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Day temp. (°F)
84
82
77
71
64
58
56
60
63
68
75
81
Night temp. (°F)
69
69
65
60
56
49
48
50
52
56
60
66
Water temp. (°F)
80
78
76
71
65
60
57
58
62
68
74
76
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Precipitation (inch)
17
23
22
14
17
10
19
15
14
19
30
26
Days with rain
8
9
9
9
8
6
8
6
8
9
8
8
Dry days
23
19
22
21
23
24
23
25
22
22
22
23
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun hours per day
11
9
9
8
7
6
7
8
8
9
11
11
Wind force (Bft)
3
3
3
3
3
3
3
3
3
3
3
3
UV-index
6
6
6
5
4
4
3
4
4
5
5
6
Weather data from:
Buenos Aires weather by month
What is the average Buenos Aires weather like in a given month? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.