December weather forecast
Mesilla, NM

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Weather in December

December, the first month of the winter in Mesilla, is also a fresh month, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 37.4°F (3°C).

Temperature

In the transition to December, Mesilla observes a drop in the average high-temperature, moving from a comfortable 63.3°F (17.4°C) in November to a fresh 53.8°F (12.1°C). Mesilla records an average low-temperature of 37.4°F (3°C) throughout the month of December.

Humidity

December is the most humid month, with an average relative humidity of 50%.

Rainfall

In December, the rain falls for 4.2 days. Throughout December, 0.47" (12mm) of precipitation is accumulated. Throughout the year, there are 84.4 rainfall days, and 9.72" (247mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January, February, November and December. December is the month with the most snowfall. Snow falls for 1.1 days and accumulates 0.67" (17mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 6min of daylight.
On the first day of December, sunrise is at 6:51 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:12 pm MST.

Sunshine

December has the least sunshine of the year, with an average of 7.1h of sunshine.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: A typical high UV index of 3 in December suggests the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

In Mesilla, in December, the average high-temperature is 53.8°F (12.1°C), and the average low-temperature is 37.4°F (3°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is estimated at 84.2°F (29°C).

What is the most humid month?

With an average relative humidity of 50%, December is the most humid month.

What is the average humidity in December?

In Mesilla, the average relative humidity in December is 50%.

How many days does it rain in December?

In Mesilla, during December, the rain falls for 4.2 days and regularly aggregates up to 0.47" (12mm) of precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 1.1 days and accumulates 0.67" (17mm) of snow.

How much does it snow in December?

In December, it is snowing for 1.1 days. Throughout December, 0.67" (17mm) of snow is accumulated.

What is the month with the shortest days in Mesilla?

With an average of 10h and 6min of daylight, December has the shortest days of the year.

How many hours of daylight does Mesilla have in December?

In Mesilla, the average day length in December is 10h and 5min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:51 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:12 pm MST.

What is the month with the least sunshine?

With an average of 7.1h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Mesilla have in December?

In December, the average sunshine duration in Mesilla is 7.1h.

When is the lowest UV index?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 3.

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Mesilla, NM

Average temperature in December - Mesilla, NM
  • Average high temperature in December: 53.8°F

The warmest month (with the highest average high temperature) is June (93.9°F).
The month with the lowest average high temperature is January (53.6°F).

  • Average low temperature in December: 37.4°F

The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).

Average pressure in December
Mesilla, NM

Average pressure in December - Mesilla, NM
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in December
Mesilla, NM

Average wind speed in December - Mesilla, NM
  • Average wind speed in December: 6.2mph

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is January (6mph).

Average humidity in December
Mesilla, NM

Average humidity in December - Mesilla, NM
  • Average humidity in December: 50%

The month with the highest relative humidity is December (50%).
The months with the lowest relative humidity are April and May (22%).

Average rainfall in December
Mesilla, NM

Average rainfall in December - Mesilla, NM
  • Average rainfall in December: 0.47"

The wettest month (with the highest rainfall) is July (2.28").
The driest month (with the least rainfall) is April (0.12").

Average rainfall days in December
Mesilla, NM

Average rainfall days in December - Mesilla, NM
  • Average rainfall days in December: 4.2 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is May (2.8 days).

Average snowfall in December
Mesilla, NM

Average snowfall in December - Mesilla, NM
  • Average snowfall in December: 0.67"

The month with the highest snowfall is December (0.67").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

Average snowfall days in December
Mesilla, NM

Average snowfall days in December - Mesilla, NM
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is December (1.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Mesilla, NM
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).

Average sunshine days in December
Mesilla, NM

Average sunshine days in December - Mesilla, NM
  • Average sunshine days in December: 25.4 days

The months with the most sunshine days are January and April (26.8 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in December
Mesilla, NM

Average UV index in December - Mesilla, NM
  • Average UV index in December: 3

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

Average cloud cover in December
Mesilla, NM

Average cloud cover in December - Mesilla, NM
  • Average cloud cover in December: 18

The months with the most cloud cover are July and December (Cloud cover 18).
The month with the least cloud cover is May (Cloud cover 8).

Average visibility in December
Mesilla, NM

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

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

Mesilla, New Mexico, USA

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