December weather forecast
Llano, NM

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Weather in December

December, the first month of the winter in Llano, is still a cold month, with an average temperature varying between 15.4°F (-9.2°C) and 35.1°F (1.7°C).

Temperature

The shift from November to December involves a decrease in the average high-temperature, dropping from a frosty 46°F (7.8°C) to an icy 35.1°F (1.7°C). In Llano, the average temperature during the nights of December drops to a freezing cold 15.4°F (-9.2°C).

Humidity

In Llano, the average relative humidity in December is 72%.

Rainfall

In Llano, in December, during 3.8 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. Throughout the year, in Llano, there are 105 rainfall days, and 15.47" (393mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. The months with the most snowfall are February and December, with an average 5.35" (136mm) of accumulated snow.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:55 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:58 pm MST.

Sunshine

December has the least sunshine of the year, with an average of 6.7h of sunshine.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

How cold is December?

In December, the average high-temperature and low-temperature are 35.1°F (1.7°C) and 15.4°F (-9.2°C) respectively.

What is the average humidity in December?

The average relative humidity in December is 72%.

How many days does it rain in December?

In December, the rain falls for 3.8 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

When does it snow the most?

The months with the most snowfall are February and December, with an average 5.35" (136mm) of accumulated snow.

How much does it snow in December?

In Llano, in December, snow falls for 8.2 days, with typically accumulated 5.35" (136mm) of snow.

What is the month with the shortest days in Llano?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

How many hours of daylight does Llano have in December?

In December, the average day length is 9h and 45min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:55 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:58 pm MST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 6.7h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 6.7h.

What are the months with the lowest UV index?

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average humidity
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
Llano, NM

Average temperature in December - Llano, NM
  • Average high temperature in December: 35.1°F

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in December: 15.4°F

The month with the highest average low temperature is July (51.8°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

Average pressure in December
Llano, NM

Average pressure in December - Llano, NM
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).

Average wind speed in December
Llano, NM

Average wind speed in December - Llano, NM
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in December
Llano, NM

Average humidity in December - Llano, NM
  • Average humidity in December: 72%

The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is June (38%).

Average rainfall in December
Llano, NM

Average rainfall in December - Llano, NM
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is November (0.59").

Average rainfall days in December
Llano, NM

Average rainfall days in December - Llano, NM
  • Average rainfall days in December: 3.8 days

The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (2.1 days).

Average snowfall in December
Llano, NM

Average snowfall in December - Llano, NM
  • Average snowfall in December: 5.35"

The months with the highest snowfall are February and December (5.35").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Llano, NM

Average snowfall days in December - Llano, NM
  • Average snowfall days in December: 8.2 days

The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Llano, NM

Average daylight in December / Average sunshine in December - Llano, NM
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in December
Llano, NM

Average sunshine days in December - Llano, NM
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (6.3 days).

Average UV index in December
Llano, NM

Average UV index in December - Llano, NM
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in December
Llano, NM

Average cloud cover in December - Llano, NM
  • Average cloud cover in December: 27

The months with the most cloud cover are January and December (Cloud cover 27).
The months with the least cloud cover are June and October (Cloud cover 13).

Average visibility in December
Llano, NM

Average visibility in December - Llano, NM
  • Average visibility in December: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Llano, New Mexico, USA

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