December weather forecastCabo Polonio, Uruguay
December
Weather in December
Cabo Polonio in December is the epitome of summer's arrival. The transformation from the pleasant weather of November to the intense heat of January is clear cut. Offering the longest daylight duration of 14.4 hours, the sky stays clear for extensive spells. Combined with the falling relative humidity to 69%, the season fortifies its sunny credentials. The radiant sun dominates the landscape, paving the way for warmer temperatures and setting the stage for a typical summer narrative.Temperature
As December begins, there's a slight increase in the average high-temperature, moving from a moderately hot 23.4°C (74.1°F) in November to a still warm 26.4°C (79.5°F). The average temperature drops to a refreshing 16.1°C (61°F) during the night in the month of December.Humidity
The average relative humidity in December is 69%.Rainfall
In Cabo Polonio, during December, the rain falls for 10.7 days and regularly aggregates up to 53mm (2.09") of precipitation. Throughout the year, there are 129.5 rainfall days, and 692mm (27.24") of precipitation is accumulated.Daylight
The month with the longest days is December, with an average of 14h and 24min of daylight.On the first day of the month, sunrise is at 05:15 and sunset at 19:33. On the last day of December, sunrise is at 05:26 and sunset at 19:50 -03.
Sunshine
In Cabo Polonio, the average sunshine in December is 10.2h.UV index
January through March and December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 during December translates into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cabo Polonio, Uruguay
- Average high temperature in December: 26.4°C
The warmest month (with the highest average high temperature) is January (28.1°C).
The month with the lowest average high temperature is July (14.6°C).
- Average low temperature in December: 16.1°C
The month with the highest average low temperature is February (18.3°C).
The coldest month (with the lowest average low temperature) is July (7.9°C).
Average pressure in December
Cabo Polonio, Uruguay
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in December
Cabo Polonio, Uruguay
- Average wind speed in December: 16.7km/h
The windiest month (with the highest average wind speed) is September (17.6km/h).
The calmest month (with the lowest average wind speed) is May (14.7km/h).
Average humidity in December
Cabo Polonio, Uruguay
- Average humidity in December: 69%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (68%).
Average rainfall in December
Cabo Polonio, Uruguay
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is August (84mm).
The driest month (with the least rainfall) is March (45mm).
Average rainfall days in December
Cabo Polonio, Uruguay
- Average rainfall days in December: 10.7 days
The months with the highest number of rainy days are March and October (12 days).
The month with the least rainy days is June (9.1 days).
Average daylight in December /
Average sunshine in December
Cabo Polonio, Uruguay
- Average daylight in December: 14h and 24min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in December: 10h and 12min
The month with the most sunshine is January (Average sunshine: 10h and 30min).
The month with the least sunshine is July (Average sunshine: 5h and 24min).
Average sunshine days in December
Cabo Polonio, Uruguay
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is February (15.3 days).
Average UV index in December
Cabo Polonio, Uruguay
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August and September (UV index 4).
Average cloud cover in December
Cabo Polonio, Uruguay
- Average cloud cover in December: 28
The month with the most cloud cover is September (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in December
Cabo Polonio, Uruguay
- Average visibility in December: 10km
The months with the highest visibility are January, February, March and December (10km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (9km).
