December weather forecastArias, Argentina

December

Weather in December

The first month of the summer, December, is a tropical month in Arias, Argentina, with an average temperature ranging between max 30.8°C (87.4°F) and min 16.7°C (62.1°F).

Temperature

As Arias, Argentina, welcomes December, the average high-temperature displays a subtle shift, adjusting from a moderately hot 27.5°C (81.5°F) in November to a hot 30.8°C (87.4°F). In December, the temperature registers a significant dip to an average of 16.7°C (62.1°F) at night.

Heat index

December's heat index is calculated to be a tropical 33°C (91.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', evaluates the perceived heat by adding the effect of moisture in the air. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

In December, the average relative humidity in Arias is 53%.

Rainfall

In Arias, in December, during 8.5 rainfall days, 52mm (2.05") of precipitation is typically accumulated. Throughout the year, there are 90.4 rainfall days, and 462mm (18.19") of precipitation is accumulated.

Daylight

With an average of 14h and 18min of daylight, December has the longest days of the year in Arias.
On the first day of the month, sunrise is at 05:52 and sunset at 20:05. On the last day of December, sunrise is at 06:02 and sunset at 20:23 -03.

Sunshine

The month with the most sunshine is December, with an average of 11h of sunshine.

UV index

The average daily maximum UV index in December in Arias, Argentina, is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 6 during December leads to these instructions:
Guard oneself from overexposure. Defence against sun injury is vital. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

During December, Arias experiences an average high-temperature of 30.8°C (87.4°F) and a low-temperature of 16.7°C (62.1°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in December is calculated to be 33°C (91.4°F).

The average relative humidity in December in Arias is 53%.

In December, in Arias, Argentina, the rain falls for 8.5 days. Throughout December, 52mm (2.05") of precipitation is accumulated.

The month with the longest days is December, with an average of 14h and 18min of daylight.

The average day length in December is 14h and 21min.

In December, on the first day of the month, sunrise is at 05:52 and sunset at 20:05. On the last day of the month, in Arias, sunrise is at 06:02 and sunset at 20:23 -03.

With an average of 11h of sunshine, December has the most sunshine of the year in Arias, Argentina.

In Arias, the average sunshine duration in December is 11h.

In December, the average daily maximum UV index in Arias is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Arias, Argentina

  • Average high temperature in December: 30.8°C

The warmest month (with the highest average high temperature) is January (32.4°C).
The month with the lowest average high temperature is July (14.9°C).

  • Average low temperature in December: 16.7°C

The month with the highest average low temperature is January (17.9°C).
The coldest month (with the lowest average low temperature) is July (6.6°C).

Average pressure in December
Arias, Argentina

  • Average pressure in December: 1009.8mbar

The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is December (1009.8mbar).

Average wind speed in December
Arias, Argentina

  • Average wind speed in December: 13km/h

The windiest months (with the highest average wind speed) are August and September (15.2km/h).
The calmest months (with the lowest average wind speed) are February and March (12.1km/h).

Average humidity in December
Arias, Argentina

  • Average humidity in December: 53%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is January (51%).

Average rainfall in December
Arias, Argentina

  • Average rainfall in December: 52mm

The wettest months (with the highest rainfall) are January, October and November (57mm).
The driest month (with the least rainfall) is July (10mm).

Average rainfall days in December
Arias, Argentina

  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is October (11.4 days).
The month with the least rainy days is June (3.9 days).

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

  • Average daylight in December: 14h and 18min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

  • Average sunshine in December: 11h and 0min

The month with the most sunshine is December (Average sunshine: 11h and 0min).
The month with the least sunshine is May (Average sunshine: 7h and 24min).

Average sunshine days in December
Arias, Argentina

  • Average sunshine days in December: 21.2 days

The month with the most sunshine days is June (24.8 days).
The month with the least sunshine days is October (19 days).

Average UV index in December
Arias, Argentina

  • Average UV index in December: 6

The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are June and July (UV index 3).

Average cloud cover in December
Arias, Argentina

  • Average cloud cover in December: 18

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

Average visibility in December
Arias, Argentina

  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, June, August, September, November and December (10km).
The months with the lowest visibility are May, July and October (9km).