December weather forecastCaseros, Argentina

December

Weather in December

December, the first month of the summer in Caseros, is still a warm month, with temperature in the range of an average high of 28.8°C (83.8°F) and an average low of 18.5°C (65.3°F).

Temperature

The shift into December brings a slight increase in the average high-temperature, moving from a warm 24.7°C (76.5°F) in November to a still moderately hot 28.8°C (83.8°F). During December, the nighttime temperature averages of 18.5°C (65.3°F).

Heat index

The heat index for December is estimated at a hot 31°C (87.8°F). Enduring exposure and continuous activity might cause a feeling of tiredness and induce heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.

Humidity

In December, the average relative humidity is 59%.

Rainfall

In Caseros, in December, it is raining for 8.6 days, with typically 62mm (2.44") of accumulated precipitation. Throughout the year, in Caseros, there are 100.3 rainfall days, and 586mm (23.07") of precipitation is accumulated.

Daylight

December has the longest days of the year in Caseros, Argentina, with an average of 14h and 24min of daylight.
On the first day of December in Caseros, Argentina, sunrise is at 05:34 and sunset at 19:52. On the last day of the month, sunrise is at 05:44 and sunset at 20:10 -03.

Sunshine

With an average of 11.2h of sunshine, December has the most sunshine of the year.

UV index

January through March, November and December, with an average maximum UV index of 6, are months with the highest UV index in Caseros, Argentina. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum daily UV index of 6 during December morphs into the following directions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.

Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Caseros, 28.8°C (83.8°F) is the average high-temperature and 18.5°C (65.3°F) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in December is estimated at 31°C (87.8°F).

In Caseros, the average relative humidity in December is 59%.

In Caseros, Argentina, during December, the rain falls for 8.6 days and regularly aggregates up to 62mm (2.44") of precipitation.

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

In Caseros, Argentina, the average day length in December is 14h and 26min.

On the first day of December, sunrise is at 05:34 and sunset at 19:52. On the last day of the month, sunrise is at 05:44 and sunset at 20:10 -03.

With an average of 11.2h of sunshine, December has the most sunshine of the year.

In December, the average sunshine duration is 11.2h.

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

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

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

24.7°C

28.8°C

30.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

15.9km/h

15km/h

15.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

19.1

20.9

21.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Caseros, Argentina

Average high temperature in December: 28.8°C

The warmest month (with the highest average high temperature) is January (30.3°C).
The month with the lowest average high temperature is July (13.8°C).

Average low temperature in December: 18.5°C

The month with the highest average low temperature is January (20.2°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).

Average pressure in December
Caseros, Argentina

Average pressure in December: 1011mbar

The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).

Average wind speed in December
Caseros, Argentina

Average wind speed in December: 14km/h

The windiest month (with the highest average wind speed) is September (16.4km/h).
The calmest month (with the lowest average wind speed) is March (13.8km/h).

Average humidity in December
Caseros, Argentina

Average humidity in December: 59%

The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is January (57%).

Average rainfall in December
Caseros, Argentina

Average rainfall in December: 62mm

The wettest month (with the highest rainfall) is November (70mm).
The driest month (with the least rainfall) is September (36mm).

Average rainfall days in December
Caseros, Argentina

Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is March (10.1 days).
The month with the least rainy days is August (5.8 days).

Average daylight in December /
Average sunshine in December
Caseros, Argentina

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 12min

The month with the most sunshine is December (Average sunshine: 11h and 12min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

Average sunshine days in December
Caseros, Argentina

Average sunshine days in December: 20.9 days

The month with the most sunshine days is August (24.1 days).
The month with the least sunshine days is February (18.3 days).

Average UV index in December
Caseros, Argentina

Average UV index in December: 6

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

Average cloud cover in December
Caseros, Argentina

Average cloud cover in December: 18

The month with the most cloud cover is July (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 16).

Average visibility in December
Caseros, Argentina

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).