December weather forecast
Atalaya, Argentina

December

Weather in December

The first month of the summer, December, is still a warm month in Atalaya, Argentina, with an average temperature varying between 17.7°C (63.9°F) and 27.7°C (81.9°F).

Temperature

December's arrival signals a modest temperature shift, moving from 23.8°C (74.8°F) in November to a still warm 27.7°C (81.9°F). The low-temperature in Atalaya averages to a refreshing 17.7°C (63.9°F) during the nights of December.

Heat index

In December, the average heat index is evaluated at 29°C (84.2°F). If one continues to be active during exposure, it might cause tiredness and subsequent heat cramps.
Note that heat index values are valued for light wind and location in the shade. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in December in Atalaya, Argentina, is 62%.

Rainfall

In Atalaya, in December, it is raining for 8.1 days, with typically 50mm (1.97") of accumulated precipitation. In Atalaya, during the entire year, the rain falls for 105.2 days and collects up to 559mm (22.01") of precipitation.

Snowfall

January through June, August through December are months without snowfall.

Daylight

With an average of 14h and 30min of daylight, December has the longest days of the year.
On the first day of the month, sunrise is at 05:29 and sunset at 19:49. On the last day of December, sunrise is at 05:39 and sunset at 20:07 -03.

Sunshine

The month with the most sunshine in Atalaya is December, with an average of 11.1h of sunshine.

UV index

In December, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 6 in December translates into the following recommendations:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What is the usual temperature for Atalaya in December?
December temperatures vary between a high-temperature of 27.7°C (81.9°F) and a low-temperature of 17.7°C (63.9°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in December is evaluated at 29°C (84.2°F).
What is the average humidity in December in Atalaya?
In December, the average relative humidity in Atalaya is 62%.
How many days does it rain in December in Atalaya?
In Atalaya, during December, the rain falls for 8.1 days and regularly aggregates up to 50mm (1.97") of precipitation.
When it does not snow in Atalaya?
In Atalaya, snow does not fall in January through June, August through December.
When are the longest days in Atalaya?
With an average of 14h and 30min of daylight, December has the longest days of the year in Atalaya.
How many hours of daylight does Atalaya have in December?
In December, the average day length in Atalaya, Argentina, is 14h and 28min.
What time are sunrise and sunset in December in Atalaya?
On the first day of December in Atalaya, sunrise is at 05:29 and sunset at 19:49. On the last day of the month, sunrise is at 05:39 and sunset at 20:07 -03.
What month has the most sunshine in Atalaya?
With an average of 11.1h of sunshine, December has the most sunshine of the year.
How many hours of sunshine does Atalaya have in December?
The average sunshine duration in December in Atalaya is 11.1h.
How high is the UV index in December in Atalaya?
The average daily maximum UV index in December in Atalaya is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe 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 snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Atalaya, Argentina
  • Average high temperature in December: 27.7°C

The warmest month (with the highest average high temperature) is January (29.5°C).
The month with the lowest average high temperature is July (13.2°C).

  • Average low temperature in December: 17.7°C

The month with the highest average low temperature is January (19.9°C).
The coldest month (with the lowest average low temperature) is July (7.7°C).

Average pressure in December
Atalaya, Argentina
  • Average pressure in December: 1011.1mbar

The month with the highest atmospheric pressure is July (1019mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).

Average wind speed in December
Atalaya, Argentina
  • Average wind speed in December: 16km/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 (15.2km/h).

Average humidity in December
Atalaya, Argentina
  • Average humidity in December: 62%

The months with the highest relative humidity are May and July (78%).
The month with the lowest relative humidity is January (60%).

Average rainfall in December
Atalaya, Argentina
  • Average rainfall in December: 50mm

The wettest month (with the highest rainfall) is October (67mm).
The driest month (with the least rainfall) is January (24mm).

Average rainfall days in December
Atalaya, Argentina
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (9.7 days).
The month with the least rainy days is January (7.6 days).

Average snowfall days in December
Atalaya, Argentina
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Atalaya, Argentina
  • Average daylight in December: 14h and 3min

The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).

  • Average sunshine in December: 11h and 1min

The month with the most sunshine is December (Average sunshine: 11h and 6min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).

Average sunshine days in December
Atalaya, Argentina
  • Average sunshine days in December: 21.3 days

The month with the most sunshine days is January (21.8 days).
The months with the least sunshine days are February and October (18.8 days).

Average UV index in December
Atalaya, 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 May, June and July (UV index 3).

Average cloud cover in December
Atalaya, Argentina
  • 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
Atalaya, Argentina
  • Average visibility in December: 10km

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

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