December weather forecastAtlantida, Uruguay
December
Weather in December
December, the first month of the summer in Atlantida, is a moderately hot month, with an average temperature fluctuating between 25.2°C (77.4°F) and 17.8°C (64°F).Temperature
December brings a slight increase in the average high-temperature, progressing from an agreeable 22°C (71.6°F) in November to a warm 25.2°C (77.4°F). During the nights in December, Atlantida experiences a consistent average temperature of 17.8°C (64°F).Humidity
In Atlantida, the average relative humidity in December is 68%.Rainfall
In Atlantida, during December, the rain falls for 9.9 days and regularly aggregates up to 62mm (2.44") of precipitation. Throughout the year, in Atlantida, there are 122.1 rainfall days, and 681mm (26.81") of precipitation is accumulated.Daylight
With an average of 14h and 24min of daylight, December has the longest days of the year in Atlantida.On the first day of the month, sunrise is at 05:22 and sunset at 19:41. On the last day of December, sunrise is at 05:32 and sunset at 19:59 -03.
Sunshine
The months with the most sunshine are January and December, with an average of 10.9h of sunshine.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 reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 6 in December translates into this advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Atlantida, Uruguay
- Average high temperature in December: 25.2°C
The warmest month (with the highest average high temperature) is January (27.2°C).
The month with the lowest average high temperature is July (13.3°C).
- Average low temperature in December: 17.8°C
The month with the highest average low temperature is January (20°C).
The coldest month (with the lowest average low temperature) is July (8.8°C).
Average pressure in December
Atlantida, Uruguay
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is July (1018.8mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in December
Atlantida, Uruguay
- Average wind speed in December: 17.4km/h
The windiest month (with the highest average wind speed) is September (19.6km/h).
The calmest month (with the lowest average wind speed) is May (17.2km/h).
Average humidity in December
Atlantida, Uruguay
- Average humidity in December: 68%
The months with the highest relative humidity are July and September (79%).
The month with the lowest relative humidity is January (65%).
Average rainfall in December
Atlantida, Uruguay
- Average rainfall in December: 62mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days in December
Atlantida, Uruguay
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is January (8.4 days).
Average daylight in December /
Average sunshine in December
Atlantida, 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 54min
The months with the most sunshine are January and December (Average sunshine: 10h and 54min).
The month with the least sunshine is July (Average sunshine: 5h and 30min).
Average sunshine days in December
Atlantida, Uruguay
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is September (16.5 days).
Average UV index in December
Atlantida, Uruguay
- Average UV index in December: 6
The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is July (UV index 3).
Average cloud cover in December
Atlantida, Uruguay
- Average cloud cover in December: 22
The month with the most cloud cover is July (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 20).
Average visibility in December
Atlantida, Uruguay
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





