December weather forecast
Carlsbad, NM

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Weather in December

Carlsbad embarks on its winter journey in December. The climate becomes noticeably colder, with temperatures fluctuating between a chilly 38.3°F (3.5°C) to a modestly warmer 56.3°F (13.5°C). Snowfall enters the city's forecast with an average accumulation of near 0.67" (17mm) throughout the month. December guides the city into the tranquil arms of winter, setting the stage for the transition to a new year. Amidst the festive season, Carlsbad's weather exhibits the quiet beauty of a serene winter.

Temperature

With average high temperatures of 56.3°F (13.5°C) and lows of 38.3°F (3.5°C), December is the coldest month.

Humidity

December is the most humid month, with an average relative humidity of 48%.

Rainfall

In Carlsbad, in December, during 3.7 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Carlsbad, during the entire year, the rain falls for 78.1 days and collects up to 9.72" (247mm) 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 1.9 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.
On the first day of the month, sunrise is at 6:41 am and sunset at 4:51 pm. On the last day of December, sunrise is at 6:58 am and sunset at 5:02 pm MST.

Sunshine

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

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: During December, 3 as the daily maximum UV index converts into the following advice:
Be vigilant - Preventing sunburn is recommended. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Jun 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

With its average high temperature of 56.3°F (13.5°C) and a low of 38.3°F (3.5°C), December is regarded as the coldest month.

What are December temperatures?

The high-temperature, in December, in Carlsbad, records 56.3°F (13.5°C), while the low-temperature is 38.3°F (3.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in September is estimated at 86°F (30°C).

What is the most humid month?

With an average relative humidity of 48%, December is the most humid month in Carlsbad.

What is the average humidity in December?

The average relative humidity in December is 48%.

How many days does it rain in December?

In December, the rain falls for 3.7 days. Throughout December, 0.35" (9mm) of precipitation is accumulated.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 1.9 days and accumulates 0.67" (17mm) of snow.

How many days does it snow in December?

In Carlsbad, in December, snow falls for 1.9 days, with typically accumulated 0.67" (17mm) of snow.

What is the month with the shortest days in Carlsbad?

The month with the shortest days is December, with an average of 10h and 6min of daylight.

What is the average length of the day in December in Carlsbad?

The average day length in December is 10h and 4min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:41 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:02 pm MST.

What is the month with the least sunshine?

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

How many hours of sunshine does Carlsbad have in December?

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

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 3.

What is the UV index reading in December?

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents 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
Carlsbad, NM

Average temperature in December - Carlsbad, NM
  • Average high temperature in December: 56.3°F

The warmest month (with the highest average high temperature) is June (95°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in December: 38.3°F

The months with the highest average low temperature are July and August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).

Average pressure in December
Carlsbad, NM

Average pressure in December - Carlsbad, 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 (29.83"Hg).

Average wind speed in December
Carlsbad, NM

Average wind speed in December - Carlsbad, NM
  • Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest months (with the lowest average wind speed) are January and December (8.4mph).

Average humidity in December
Carlsbad, NM

Average humidity in December - Carlsbad, NM
  • Average humidity in December: 48%

The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is April (26%).

Average rainfall in December
Carlsbad, NM

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

The wettest month (with the highest rainfall) is September (1.85").
The driest month (with the least rainfall) is February (0.16").

Average rainfall days in December
Carlsbad, NM

Average rainfall days in December - Carlsbad, NM
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is July (12.3 days).
The month with the least rainy days is February (2.4 days).

Average snowfall in December
Carlsbad, NM

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

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

Average snowfall days in December
Carlsbad, NM

Average snowfall days in December - Carlsbad, NM
  • Average snowfall days in December: 1.9 days

The month with the highest number of snowfall days is December (1.9 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
Carlsbad, NM

Average daylight in December / Average sunshine in December - Carlsbad, 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 months with the least sunshine are February and December (Average sunshine: 7h and 6min).

Average sunshine days in December
Carlsbad, NM

Average sunshine days in December - Carlsbad, NM
  • Average sunshine days in December: 25.3 days

The month with the most sunshine days is January (26.7 days).
The month with the least sunshine days is August (14.3 days).

Average UV index in December
Carlsbad, NM

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

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

Average cloud cover in December
Carlsbad, NM

Average cloud cover in December - Carlsbad, NM
  • Average cloud cover in December: 19

The months with the most cloud cover are September and December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 11).

Average visibility in December
Carlsbad, NM

Average visibility in December - Carlsbad, 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).

Carlsbad, New Mexico, USA

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