December weather forecast
Las Heras, Argentina

December

Weather in December

December, the first month of the summer in Las Heras, is also a moderately hot month, with temperature in the range of an average low of 17.6°C (63.7°F) and an average high of 28°C (82.4°F).

Temperature

Las Heras's shift into December is marked by a subtle change to a still moderately hot 28°C (82.4°F) from November's 25.4°C (77.7°F) in temperature. During the month of December, the temperature falls to an average of 17.6°C (63.7°F).

Humidity

The months with the lowest humidity are November and December, with an average relative humidity of 38%.

Rainfall

In December, in Las Heras, the rain falls for 11.8 days. Throughout December, 43mm (1.69") of precipitation is accumulated. Throughout the year, there are 90.5 rainfall days, and 275mm (10.83") of precipitation is accumulated.

Snowfall

In Las Heras, snow does not fall in January through May, October through December.

Daylight

With an average of 14h and 18min of daylight, December has the longest days of the year in Las Heras.
On the first day of December, sunrise is at 06:19 and sunset at 20:29. On the last day of the month, sunrise is at 06:30 and sunset at 20:46 -03.

Sunshine

January, February, August, September, November and December, with an average of 9.7h of sunshine, are months with the most sunshine in Las Heras.

UV index

The months with the highest UV index are January, February and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: An average maximum UV index of 6 in December leads to these recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

How hot does it get in Las Heras in December?
In December, in Las Heras, the average high-temperature is 28°C (82.4°F), and the average low-temperature is 17.6°C (63.7°F). In February, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 28°C (82.4°F).
What is the least humid month in Las Heras?
November and December, with an average relative humidity of 38%, are the least humid months in Las Heras.
What is the average humidity in December in Las Heras?
In December, the average relative humidity in Las Heras is 38%.
How much does it rain in Las Heras in December?
In Las Heras, in December, during 11.8 rainfall days, 43mm (1.69") of precipitation is typically accumulated.
When it does not snow in Las Heras?
In Las Heras, snow does not fall in January through May, October through December.
When are the longest days in Las Heras?
With an average of 14h and 18min of daylight, December has the longest days of the year in Las Heras.
How many hours of daylight does Las Heras have in December?
In Las Heras, Argentina, the average day length in December is 14h and 17min.
When is the sunrise / sunset in December in Las Heras?
In December, on the first day of the month, sunrise is at 06:19 and sunset at 20:29. On the last day of the month, in Las Heras, sunrise is at 06:30 and sunset at 20:46 -03.
What are the months with the most sunshine in Las Heras?
The months with the most sunshine are January, February, August, September, November and December, with an average of 9.7h of sunshine.
How many hours of sunshine does Las Heras have in December?
In Las Heras, Argentina, the average sunshine duration in December is 9.7h.
When is the highest UV index in Las Heras?
January, February and December, with an average maximum UV index of 6, are months with the highest UV index in Las Heras.
What is the UV index reading in December in Las Heras?
In Las Heras, Argentina, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health threat 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Las Heras, Argentina
  • Average high temperature in December: 28°C

The warmest month (with the highest average high temperature) is January (29.2°C).
The month with the lowest average high temperature is July (11.8°C).

  • Average low temperature in December: 17.6°C

The month with the highest average low temperature is January (19.3°C).
The coldest month (with the lowest average low temperature) is July (3.5°C).

Average pressure in December
Las Heras, Argentina
  • Average pressure in December: 1011.1mbar

The month with the highest atmospheric pressure is July (1018.5mbar).
The month with the lowest atmospheric pressure is December (1011.1mbar).

Average wind speed in December
Las Heras, Argentina
  • Average wind speed in December: 12.7km/h

The windiest month (with the highest average wind speed) is November (13km/h).
The calmest months (with the lowest average wind speed) are June and July (7.9km/h).

Average humidity in December
Las Heras, Argentina
  • Average humidity in December: 38%

The month with the highest relative humidity is May (59%).
The months with the lowest relative humidity are November and December (38%).

Average rainfall in December
Las Heras, Argentina
  • Average rainfall in December: 43mm

The wettest month (with the highest rainfall) is January (61mm).
The driest months (with the least rainfall) are June, July and September (4mm).

Average rainfall days in December
Las Heras, Argentina
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is January (14.5 days).
The month with the least rainy days is June (2.5 days).

Average snowfall in December
Las Heras, Argentina
  • Average snowfall in December: 0mm

The month with the highest snowfall is July (12mm).
The months with the least snowfall are January, February, March, April, May, October, November and December (0mm).

Average snowfall days in December
Las Heras, Argentina
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is July (0.8 days).
The months with the least snowfall days are January, February, March, April, May, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Las Heras, Argentina
  • Average daylight in December: 14h and 2min

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: 9h and 4min

The months with the most sunshine are January, February, August, September, November and December (Average sunshine: 9h and 42min).
The month with the least sunshine is May (Average sunshine: 9h and 18min).

Average sunshine days in December
Las Heras, Argentina
  • Average sunshine days in December: 16.1 days

The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is February (12 days).

Average UV index in December
Las Heras, Argentina
  • Average UV index in December: 6

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

Average cloud cover in December
Las Heras, Argentina
  • Average cloud cover in December: 12

The months with the most cloud cover are April and May (Cloud cover 16).
The months with the least cloud cover are June and August (Cloud cover 11).

Average visibility in December
Las Heras, 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).

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