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Buenos Aires weather in August

Weather in Buenos Aires: August

Average day temperature: 58.6°F
Average night temperature: 51.6°F
Sea water temperature: 57.5°F
Number of sunny days: 17 days
Day length: 10.4 - 11.3 hours
Number of rainy days: 3 days
Precipitation totals: 2.6 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 60°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during August were 55.1°F and 50.4°F.

Sea water temperature in Buenos Aires in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 58.7°F. The highest and lowest sea temperatures during the month were 61.0°F and 56.5°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Buenos Aires in August is 2.0 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 9.4 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 7.0.

Best time for vacation in Buenos Aires

Sunniest months:
January 24 days
December 23 days
February 21 days
Warmest months:
January 83.8 °F
February 82.1 °F
December 80.7 °F
Warmest sea temp:
January 79.4 °F
February 78.7 °F
December 76.7 °F
Coldest months:
July 56.3 °F
June 57.5 °F
August 58.6 °F
Rainiest months:
February 4 days
December 4 days
January 4 days
Windiest months:
October 10.7 mph
November 10.7 mph
September 10.6 mph

Buenos Aires on a weather map

Buenos Aires
+63°F
NE 8 mph
Feels like: +63°F
Precip.: 2%
24 Hours Forecast
Buenos Aires
Local time: 11:07
September 15, tuesday
1200
63°F
NE
8 mph
1500
66°F
N
9 mph
1800
57°F
NW
14 mph
2100
54°F
W
15 mph
September 16, wednesday
0000
50°F
NW
14 mph
0300
48°F
NW
10 mph
0600
48°F
W
9 mph
0900
50°F
SW
11 mph
Units of measurement: °C / °F