December weather forecast
Dexter, NM

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Weather in December

December, the first month of the winter in Dexter, is still a cool month, with an average temperature ranging between max 55°F (12.8°C) and min 35.6°F (2°C).

Temperature

December, noted for its average high-temperature of 55°F (12.8°C) and an average low-temperature of 35.6°F (2°C), is considered the coldest month.

Humidity

With an average relative humidity of 49%, December is the most humid month.

Rainfall

In Dexter, in December, during 3.6 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Dexter, during the entire year, the rain falls for 74.9 days and collects up to 8.98" (228mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 2 days and typically aggregates up to 1.22" (31mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 6:43 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:00 am and sunset at 5:00 pm MST.

Sunshine

With an average of 7h of sunshine, December has the least sunshine of the year.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Dexter's December weather reaches an average high of 55°F (12.8°C) and an average low of 35.6°F (2°C), making it the coldest month.

What are December temperatures?

The average high-temperature, in December, in Dexter, is 55°F (12.8°C), while the average low-temperature is 35.6°F (2°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What is the most humid month?

With an average relative humidity of 49%, December is the most humid month.

What is the average humidity in December?

In Dexter, the average relative humidity in December is 49%.

How many days does it rain in December?

In December, the rain falls for 3.6 days. Throughout December, 0.35" (9mm) of precipitation is accumulated.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 2 days and accumulates 1.22" (31mm) of snow.

How much does it snow in Dexter in December?

In Dexter, in December, snow falls for 2 days, with typically accumulated 1.22" (31mm) of snow.

What is the month with the shortest days?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

How many hours of daylight does Dexter have in December?

The average day length in December is 10h and 0min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:43 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:00 pm MST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 7h of sunshine.

How many hours of sunshine does Dexter have in December?

The average sunshine duration in December is 7h.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 2.

How high is the UV index in December in Dexter?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
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
Dexter, NM

Average temperature in December - Dexter, NM
  • Average high temperature in December: 55°F

The warmest month (with the highest average high temperature) is June (94.8°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in December: 35.6°F

The months with the highest average low temperature are July and August (73.4°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).

Average pressure in December
Dexter, NM

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in December
Dexter, NM

Average wind speed in December - Dexter, NM
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is December (7.3mph).

Average humidity in December
Dexter, NM

Average humidity in December - Dexter, NM
  • Average humidity in December: 49%

The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is April (26%).

Average rainfall in December
Dexter, NM

Average rainfall in December - Dexter, NM
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is September (1.61").
The driest months (with the least rainfall) are January, February and November (0.24").

Average rainfall days in December
Dexter, NM

Average rainfall days in December - Dexter, NM
  • Average rainfall days in December: 3.6 days

The month with the highest number of rainy days is July (11.3 days).
The month with the least rainy days is November (2.4 days).

Average snowfall in December
Dexter, NM

Average snowfall in December - Dexter, NM
  • Average snowfall in December: 1.22"

The month with the highest snowfall is December (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Dexter, NM

Average snowfall days in December - Dexter, NM
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is December (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Dexter, NM
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 7h

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

Average sunshine days in December
Dexter, NM

Average sunshine days in December - Dexter, NM
  • Average sunshine days in December: 25.6 days

The month with the most sunshine days is January (26.9 days).
The month with the least sunshine days is August (16.5 days).

Average UV index in December
Dexter, NM

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

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Dexter, NM

Average cloud cover in December - Dexter, NM
  • Average cloud cover in December: 20

The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 11).

Average visibility in December
Dexter, NM

Average visibility in December - Dexter, 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).

Dexter, New Mexico, USA

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