December weather forecast
El Morro, NM

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Weather in December

The first month of the winter, December, is still a cold month in El Morro, New Mexico, with temperature in the range of an average low of 23°F (-5°C) and an average high of 40.3°F (4.6°C).

Temperature

December's onset brings a reduction in the average high-temperature, from a cool 51.4°F (10.8°C) in November to a wintry 40.3°F (4.6°C). During the month of December, the temperature falls to an average of 23°F (-5°C).

Humidity

The average relative humidity in December in El Morro is 64%.

Rainfall

In El Morro, during December, the rain falls for 4.1 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 85.5 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In El Morro, during December, snow falls for 6.1 days and regularly aggregates up to 3.11" (79mm) of snow. In El Morro, during the entire year, snow falls for 25.4 days and aggregates up to 13.15" (334mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:03 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:12 pm MST.

Sunshine

In El Morro, the average sunshine in December is 6.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

El Morro in December has an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 23°F (-5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in July is calculated to be 80.6°F (27°C).

What is the average humidity in December?

The average relative humidity in December is 64%.

How many days does it rain in December?

In El Morro, in December, during 4.1 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

How much does it snow in December?

In El Morro, in December, snow falls for 6.1 days, with typically accumulated 3.11" (79mm) of snow.

What is the month with the shortest days?

With an average of 9h and 48min of daylight, December has the shortest days of the year.

How many hours of daylight does El Morro have in December?

In December, the average day length is 9h and 51min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:03 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:12 pm MST.

How many hours of sunshine does El Morro have in December?

In El Morro, the average sunshine duration in December is 6.9h.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
El Morro, NM

Average temperature in December - El Morro, NM
  • Average high temperature in December: 40.3°F

The warmest month (with the highest average high temperature) is June (81°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 23°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in December
El Morro, NM

Average pressure in December - El Morro, NM
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.89"Hg).

Average wind speed in December
El Morro, NM

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

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in December
El Morro, NM

Average humidity in December - El Morro, NM
  • Average humidity in December: 64%

The month with the highest relative humidity is January (69%).
The month with the lowest relative humidity is June (26%).

Average rainfall in December
El Morro, NM

Average rainfall in December - El Morro, NM
  • Average rainfall in December: 0.63"

The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is November (0.35").

Average rainfall days in December
El Morro, NM

Average rainfall days in December - El Morro, NM
  • Average rainfall days in December: 4.1 days

The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is February (2.5 days).

Average snowfall in December
El Morro, NM

Average snowfall in December - El Morro, NM
  • Average snowfall in December: 3.11"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
El Morro, NM

Average snowfall days in December - El Morro, NM
  • Average snowfall days in December: 6.1 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
El Morro, NM

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).

Average sunshine days in December
El Morro, NM

Average sunshine days in December - El Morro, NM
  • Average sunshine days in December: 22.3 days

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is August (10.5 days).

Average UV index in December
El Morro, NM

Average UV index in December - El Morro, NM
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
El Morro, NM

Average cloud cover in December - El Morro, NM
  • Average cloud cover in December: 24

The month with the most cloud cover is January (Cloud cover 25).
The months with the least cloud cover are June and October (Cloud cover 12).

Average visibility in December
El Morro, NM

Average visibility in December - El Morro, 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).

El Morro, New Mexico, USA

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