December weather forecast
Tatum, NM

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Weather in December

December, the first month of the winter in Tatum, is still a cool month, with an average temperature fluctuating between 36°F (2.2°C) and 53.1°F (11.7°C).

Temperature

Tatum's progression into December involves a drop in the average high-temperature, receding from a refreshing 62.1°F (16.7°C) in November to a fresh 53.1°F (11.7°C). Throughout the month of December, the average temperature dips to an icy 36°F (2.2°C) at night.

Humidity

The average relative humidity in December in Tatum, New Mexico, is 51%.

Rainfall

In Tatum, during December, the rain falls for 3.8 days and regularly aggregates up to 0.47" (12mm) of precipitation. In Tatum, New Mexico, during the entire year, the rain falls for 77 days and collects up to 11.22" (285mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Tatum. December is the month with the most snowfall. Snow falls for 2.5 days and accumulates 1.18" (30mm) of snow.

Daylight

The month with the shortest days is December, with an average of 10h and 0min of daylight.
On the first day of December, sunrise is at 6:39 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:56 pm MST.

Sunshine

With an average of 6.9h of sunshine, December has the least sunshine of the year.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index in Tatum. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 in December translates into this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Tatum in December?

The high-temperature, in December, in Tatum, records 53.1°F (11.7°C), while the low-temperature is 36°F (2.2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is calculated to be 84.2°F (29°C).

What is the average humidity in December in Tatum?

In Tatum, the average relative humidity in December is 51%.

How many days does it rain in December in Tatum?

In Tatum, in December, during 3.8 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

When does it snow the most in Tatum?

The month with the most snowfall in Tatum is December, when snow falls for 2.5 days and typically aggregates up to 1.18" (30mm) of snow.

How much does it snow in Tatum in December?

In Tatum, New Mexico, in December, during 2.5 snowfall days, 1.18" (30mm) of snow is typically accumulated.

What is the month with the shortest days in Tatum?

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

How many hours of daylight does Tatum have in December?

The average day length in December in Tatum, New Mexico, is 10h and 0min.

When is the sunrise / sunset in December in Tatum?

On the first day of December in Tatum, New Mexico, sunrise is at 6:39 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:56 pm MST.

What is the month with the least sunshine in Tatum?

The month with the least sunshine is December, with an average of 6.9h of sunshine.

How many hours of sunshine does Tatum have in December?

The average sunshine duration in December is 6.9h.

When is the lowest UV index in Tatum?

The month with the lowest UV index in Tatum, New Mexico, is December, with an average maximum UV index of 2.

What is the UV index reading in December in Tatum?

The average daily maximum UV index in December in Tatum is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Tatum, NM

Average temperature in December - Tatum, NM
  • Average high temperature in December: 53.1°F

The warmest month (with the highest average high temperature) is June (91.4°F).
The month with the lowest average high temperature is January (52.9°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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Average pressure in December
Tatum, NM

Average pressure in December - Tatum, NM
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in December
Tatum, NM

Average wind speed in December - Tatum, NM
  • Average wind speed in December: 10.5mph

The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest month (with the lowest average wind speed) is August (10.3mph).

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Average humidity in December
Tatum, NM

Average humidity in December - Tatum, NM
  • Average humidity in December: 51%

The month with the highest relative humidity is September (54%).
The month with the lowest relative humidity is April (32%).

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Average rainfall in December
Tatum, NM

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

The wettest month (with the highest rainfall) is September (2.4").
The driest month (with the least rainfall) is February (0.24").

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Average rainfall days in December
Tatum, NM

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

The month with the highest number of rainy days is September (11.7 days).
The months with the least rainy days are February and November (2.5 days).

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Average snowfall in December
Tatum, NM

Average snowfall in December - Tatum, NM
  • Average snowfall in December: 1.18"

The month with the highest snowfall is December (1.18").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Tatum, NM

Average snowfall days in December - Tatum, NM
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is December (2.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Tatum, 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: 6h and 5min

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 54min).

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Average sunshine days in December
Tatum, NM

Average sunshine days in December - Tatum, NM
  • Average sunshine days in December: 25.2 days

The month with the most sunshine days is January (27.2 days).
The month with the least sunshine days is September (16.5 days).

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Average UV index in December
Tatum, NM

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

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

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Average cloud cover in December
Tatum, NM

Average cloud cover in December - Tatum, NM
  • Average cloud cover in December: 21

The month with the most cloud cover is September (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 13).

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Average visibility in December
Tatum, NM

Average visibility in December - Tatum, 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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Tatum, New Mexico, USA

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