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Cabo Polonio weather in August

Weather in Cabo Polonio: August

Average day temperature: 58.4°F
Average night temperature: 49.5°F
Sea water temperature: 53.6°F
Number of sunny days: 13 days
Day length: 10.4 - 11.4 hours
Number of rainy days: 2 days
Precipitation totals: 1.3 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 61°F. At the same time the lowest night temperature was 43°F. Daily and nightly averages during August were 56.3°F and 51.0°F.

Sea water temperature in Cabo Polonio in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 54.0°F. The highest and lowest sea temperatures during the month were 55.8°F and 52.3°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 Cabo Polonio in August is 1.3 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 9.6 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: 6.3.

Best time for vacation in Cabo Polonio

Sunniest months:
January 16 days
December 14 days
November 14 days
Warmest months:
January 79.0 °F
February 77.8 °F
March 76.4 °F
Warmest sea temp:
March 73.4 °F
February 73.3 °F
January 72.2 °F
Coldest months:
July 56.2 °F
June 57.4 °F
August 58.4 °F
Rainiest months:
March 4 days
February 3 days
January 3 days
Windiest months:
December 10.8 mph
January 10.5 mph
November 10.5 mph

Cabo Polonio on a weather map

Cabo Polonio
+68°F
W 17 mph
Feels like: +68°F
Precip.: 86%
Places in Uruguay:
Name
°F
24 Hours Forecast
Cabo Polonio
Local time: 19:03
December 08, monday
2100
66°F
W
17 mph
December 09, tuesday
0000
68°F
W
18 mph
0300
68°F
W
17 mph
0600
68°F
W
17 mph
0900
68°F
W
19 mph
1200
70°F
W
21 mph
1500
72°F
W
19 mph
1800
68°F
W
19 mph
Units of measurement: °C / °F