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Piriapolis weather in December

Weather in Piriapolis: December

Average day temperature: 72.9°F
Average night temperature: 64.5°F
Sea water temperature: 69.4°F
Number of sunny days: 19 days
Day length: 14.3 - 14.5 hours
Number of rainy days: 2 days
Precipitation totals: 0.8 in.

Air temperature in December, °F

Show year:
2025
2024
2023

The highest day temperature during December of 2025 was 88°F. At the same time the lowest night temperature was 56°F. Daily and nightly averages during December were 75.4°F and 67.3°F.

Sea water temperature in Piriapolis in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 72.0°F. The highest and lowest sea temperatures during the month were 78.4°F and 64.4°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in December, in.

Precipitation total value in Piriapolis in December is 0.8 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 13.1 mph It makes December most windy month of the year.

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 December is: 9.9.

Best time for vacation in Piriapolis

Sunniest months:
January 20 days
December 19 days
November 17 days
Warmest months:
January 76.5 °F
February 76.1 °F
March 74.3 °F
Warmest sea temp:
February 73.4 °F
March 73.1 °F
January 71.5 °F
Coldest months:
July 54.9 °F
August 56.2 °F
June 56.5 °F
Rainiest months:
March 4 days
February 3 days
June 3 days
Windiest months:
December 13.1 mph
November 12.9 mph
January 12.8 mph

Piriapolis on a weather map

Piriapolis
+63°F
N 27 mph
Feels like: +63°F
Precip.: 0%
Places in Uruguay:
Name
°F
24 Hours Forecast
Piriapolis
Local time: 10:09
January 03, saturday
1200
64°F
N
24 mph
1500
64°F
N
22 mph
1800
64°F
N
24 mph
2100
64°F
N
22 mph
January 04, sunday
0000
64°F
N
19 mph
0300
63°F
NE
15 mph
0600
63°F
NE
17 mph
0900
64°F
NE
19 mph
Units of measurement: °C / °F