December weather forecast
Mesilla, NM

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Weather in December

The first month of the winter, December, is still a cool month in Mesilla, New Mexico, with an average temperature ranging between min 37.4°F (3°C) and max 53.8°F (12.1°C).

Temperature

The onset of December comes with a shift in the average high-temperature, falling from a comfortable 63.3°F (17.4°C) in November to a fresh 53.8°F (12.1°C). Nighttime temperatures in December average to a wintry 37.4°F (3°C) in Mesilla.

Humidity

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

Rainfall

In Mesilla, during December, the rain falls for 4.2 days and regularly aggregates up to 0.47" (12mm) of precipitation. In Mesilla, New Mexico, during the entire year, the rain falls for 84.4 days and collects up to 9.72" (247mm) of precipitation.

Snowfall

January, February, November and December are months with snowfall in Mesilla. The month with the most snowfall is December, when snow falls for 1.1 days and typically aggregates up to 0.67" (17mm) of snow.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year in Mesilla.
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 in Mesilla, 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 in Mesilla. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In December, a regular UV index of 3 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the average December temperature in Mesilla?

In December, in Mesilla, 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. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 84.2°F (29°C).

What is the most humid month in Mesilla?

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

What is the average humidity in December in Mesilla?

The average relative humidity in December is 50%.

How much does it rain in Mesilla in December?

In December, in Mesilla, New Mexico, the rain falls for 4.2 days. Throughout December, 0.47" (12mm) of precipitation is accumulated.

When does it snow the most in Mesilla?

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

How many days does it snow in December in Mesilla?

In December, in Mesilla, New Mexico, 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 in Mesilla.

How many hours of daylight does Mesilla have in December?

The average day length in December in Mesilla, New Mexico, is 10h and 5min.

What time are sunrise and sunset in December in Mesilla?

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, in Mesilla, New Mexico, sunrise is at 7:08 am and sunset at 5:12 pm MST.

What is the month with the least sunshine in Mesilla?

With an average of 7.1h of sunshine, December has the least sunshine of the year in Mesilla, New Mexico.

How long on average sun shines in December in Mesilla?

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

When is the lowest UV index in Mesilla?

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Mesilla, New Mexico.

What is the UV index reading in December in Mesilla?

In December, the average daily maximum UV index in Mesilla is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Mesilla, New Mexico, USA

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