December weather forecastEl Cerro, Uruguay

December

Weather in December

The first month of the summer, December, is a moderately hot month in El Cerro, Uruguay, with temperature in the range of an average low of 19.4°C (66.9°F) and an average high of 25.3°C (77.5°F).

Temperature

As November transitions into December, El Cerro notices a gentle rise in the average high-temperature, transitioning from an agreeable 22°C (71.6°F) to a warm 25.3°C (77.5°F). The nighttime temperature dips to an enjoyable 19.4°C (66.9°F) on average during December.

Humidity

The average relative humidity in December is 67%.

Rainfall

In El Cerro, in December, it is raining for 10 days, with typically 66mm (2.6") of accumulated precipitation. Throughout the year, there are 114.7 rainfall days, and 678mm (26.69") 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 December, sunrise is at 05:34 and sunset at 19:49. On the last day of the month, sunrise is at 05:45 and sunset at 20:07 -03.

Sunshine

December has the most sunshine of the year, with an average of 11.1h of sunshine.

UV index

The months with the highest UV index are January through March, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 6 in December interprets into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Updated: Jun 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in December, in El Cerro, is 25.3°C (77.5°F), while the low-temperature averages to 19.4°C (66.9°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in January is computed to be 29°C (84.2°F).

In December, the average relative humidity in El Cerro is 67%.

In El Cerro, in December, during 10 rainfall days, 66mm (2.6") of precipitation is typically accumulated.

With an average of 14h and 24min of daylight, December has the longest days of the year in El Cerro.

The average day length in December is 14h and 22min.

On the first day of December, sunrise is at 05:34 and sunset at 19:49. On the last day of the month, sunrise is at 05:45 and sunset at 20:07 -03.

December has the most sunshine of the year, with an average of 11.1h of sunshine.

In El Cerro, the average sunshine duration in December is 11.1h.

The months with the highest UV index are January through March, November and December, with an average maximum UV index of 6.

In El Cerro, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

22°C

25.3°C

27.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

20.9km/h

20km/h

20.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

17.9

19.2

20.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
El Cerro, Uruguay

Average high temperature in December: 25.3°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 (13.1°C).

Average low temperature in December: 19.4°C

The month with the highest average low temperature is January (21.3°C).
The coldest month (with the lowest average low temperature) is July (9.6°C).

Average pressure in December
El Cerro, Uruguay

Average pressure in December: 1011.1mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).

Average wind speed in December
El Cerro, Uruguay

Average wind speed in December: 18.1km/h

The windiest month (with the highest average wind speed) is September (21.1km/h).
The calmest month (with the lowest average wind speed) is December (18.1km/h).

Average humidity in December
El Cerro, Uruguay

Average humidity in December: 67%

The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is January (66%).

Average rainfall in December
El Cerro, Uruguay

Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is May (43mm).

Average rainfall days in December
El Cerro, Uruguay

Average rainfall days in December: 10 days

The month with the highest number of rainy days is March (11 days).
The month with the least rainy days is June (8.2 days).

Average daylight in December /
Average sunshine in December
El Cerro, 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: 11h and 6min

The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

Average sunshine days in December
El Cerro, Uruguay

Average sunshine days in December: 19.2 days

The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (16.6 days).

Average UV index in December
El Cerro, Uruguay

Average UV index in December: 6

The months with the highest UV index are January, February, March, November and December (UV index 6).
The month with the lowest UV index is July (UV index 3).

Average cloud cover in December
El Cerro, Uruguay

Average cloud cover in December: 19

The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 17).

Average visibility in December
El Cerro, 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).