December weather forecast
Lake Sumner, NM

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Weather in December

The first month of the winter, December, is also a frosty month in Lake Sumner, New Mexico, with an average temperature fluctuating between 31.5°F (-0.3°C) and 49.3°F (9.6°C).

Temperature

Lake Sumner's December weather, with an average high temperature of 49.3°F (9.6°C) and an average low temperature of 31.5°F (-0.3°C), tends to be the coldest of the year.

Humidity

With an average relative humidity of 52%, December is the most humid month in Lake Sumner, New Mexico.

Rainfall

In Lake Sumner, in December, during 3.2 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. Throughout the year, in Lake Sumner, there are 78.6 rainfall days, and 9.06" (230mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Lake Sumner, in December, snow falls for 3.5 days, with typically accumulated 1.65" (42mm) of snow. In Lake Sumner, during the entire year, snow falls for 13.6 days and aggregates up to 8.19" (208mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 6:46 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:57 pm MST.

Sunshine

January and December, with an average of 7.1h of sunshine, are months with the least sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the coldest months in Lake Sumner?

The lowest temperatures are recorded in December, with averages reaching a high of 49.3°F (9.6°C) and a low of 31.5°F (-0.3°C).

What is the average December temperature in Lake Sumner?

The high-temperature, in December, in Lake Sumner, is 49.3°F (9.6°C), while the low-temperature averages to 31.5°F (-0.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 82.4°F (28°C).

What is the most humid month in Lake Sumner?

The most humid month is December, with an average relative humidity of 52%.

What is the average humidity in December in Lake Sumner?

The average relative humidity in December in Lake Sumner is 52%.

How many days does it rain in December in Lake Sumner?

In Lake Sumner, New Mexico, during December, the rain falls for 3.2 days and regularly aggregates up to 0.51" (13mm) of precipitation.

How many days does it snow in December in Lake Sumner?

In Lake Sumner, in December, snow falls for 3.5 days, with typically accumulated 1.65" (42mm) of snow.

What is the month with the shortest days in Lake Sumner?

With an average of 9h and 54min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Lake Sumner?

In Lake Sumner, the average day length in December is 9h and 53min.

When is the sunrise / sunset in December in Lake Sumner?

In December, on the first day of the month, sunrise is at 6:46 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:57 pm MST.

What is the month with the least sunshine in Lake Sumner?

The months with the least sunshine in Lake Sumner are January and December, with an average of 7.1h of sunshine.

How many hours of sunshine does Lake Sumner have in December?

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

When is the lowest UV index in Lake Sumner?

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

What is the UV index reading in December in Lake Sumner?

The average daily maximum UV index in December in Lake Sumner is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe 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
Lake Sumner, NM

Average temperature in December - Lake Sumner, NM
  • Average high temperature in December: 49.3°F

The warmest months (with the highest average high temperature) are June and July (90°F).
The month with the lowest average high temperature is December (49.3°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in December
Lake Sumner, NM

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.86"Hg).

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Average wind speed in December
Lake Sumner, NM

Average wind speed in December - Lake Sumner, NM
  • Average wind speed in December: 11.7mph

The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).

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Average humidity in December
Lake Sumner, NM

Average humidity in December - Lake Sumner, NM
  • Average humidity in December: 52%

The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is April (31%).

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Average rainfall in December
Lake Sumner, NM

Average rainfall in December - Lake Sumner, NM
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in December
Lake Sumner, NM

Average rainfall days in December - Lake Sumner, NM
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is July (12.5 days).
The month with the least rainy days is November (2.4 days).

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Average snowfall in December
Lake Sumner, NM

Average snowfall in December - Lake Sumner, NM
  • Average snowfall in December: 1.65"

The month with the highest snowfall is November (1.85").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Lake Sumner, NM

Average snowfall days in December - Lake Sumner, NM
  • Average snowfall days in December: 3.5 days

The months with the highest number of snowfall days are January and December (3.5 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
Lake Sumner, NM

Average daylight in December / Average sunshine in December - Lake Sumner, NM
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 7h and 1min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).

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Average sunshine days in December
Lake Sumner, NM

Average sunshine days in December - Lake Sumner, NM
  • Average sunshine days in December: 24.6 days

The month with the most sunshine days is November (25.5 days).
The month with the least sunshine days is July (14 days).

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Average UV index in December
Lake Sumner, NM

Average UV index in December - Lake Sumner, NM
  • Average UV index in December: 2

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

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Average cloud cover in December
Lake Sumner, NM

Average cloud cover in December - Lake Sumner, NM
  • Average cloud cover in December: 19

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 12).

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Average visibility in December
Lake Sumner, NM

Average visibility in December - Lake Sumner, 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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Lake Sumner, New Mexico, USA

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