December weather forecast
Sedan, NM

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Weather in December

December, the first month of the winter in Sedan, is also a frosty month, with an average temperature fluctuating between 45.5°F (7.5°C) and 27.7°F (-2.4°C).

Temperature

December stands out as Sedan's coldest month, with temperatures ranging between an average high of 45.5°F (7.5°C) and a low of 27.7°F (-2.4°C).

Humidity

December is the most humid month, with an average relative humidity of 54%.

Rainfall

In December, the rain falls for 2.6 days. Throughout December, 0.47" (12mm) of precipitation is accumulated. Throughout the year, there are 88.4 rainfall days, and 11.34" (288mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Sedan, in December, snow falls for 4 days, with typically accumulated 1.26" (32mm) of snow. Throughout the year, there are 19.7 snowfall days, and 8.86" (225mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December in Sedan, sunrise is at 6:45 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:48 pm MST.

Sunshine

In December, the average sunshine is 6.9h.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Updated: Jul 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

December is Sedan's coldest month, registering average high temperatures of 45.5°F (7.5°C) and lows of 27.7°F (-2.4°C).

What is the temperature in December?

In Sedan, 45.5°F (7.5°C) is the average high-temperature and 27.7°F (-2.4°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, is appraised at 87.8°F (31°C).

What is the most humid month?

With an average relative humidity of 54%, December is the most humid month.

What is the average humidity in December?

The average relative humidity in December in Sedan is 54%.

How much does it rain in December?

In December, the rain falls for 2.6 days. Throughout December, 0.47" (12mm) of precipitation is accumulated.

How much does it snow in December?

In Sedan, New Mexico, in December, during 4 snowfall days, 1.26" (32mm) of snow is typically accumulated.

What is the month with the shortest days in Sedan?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

How many hours of daylight does Sedan have in December?

The average day length in December is 9h and 45min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:45 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:48 pm MST.

How long on average sun shines in December?

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

What is the month with the lowest UV index in Sedan?

The month with the lowest UV index is 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 reading of 2, and below, represents a low health risk 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
Sedan, NM

Average temperature in December - Sedan, NM
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).

Average pressure in December
Sedan, NM

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

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in December
Sedan, NM

Average wind speed in December - Sedan, NM
  • Average wind speed in December: 10.9mph

The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest month (with the lowest average wind speed) is August (10.1mph).

Average humidity in December
Sedan, NM

Average humidity in December - Sedan, NM
  • Average humidity in December: 54%

The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is April (40%).

Average rainfall in December
Sedan, NM

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

The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is November (0.35").

Average rainfall days in December
Sedan, NM

Average rainfall days in December - Sedan, NM
  • Average rainfall days in December: 2.6 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is November (2.1 days).

Average snowfall in December
Sedan, NM

Average snowfall in December - Sedan, NM
  • Average snowfall in December: 1.26"

The month with the highest snowfall is February (1.97").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Sedan, NM

Average snowfall days in December - Sedan, NM
  • Average snowfall days in December: 4 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Sedan, NM
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 5min

The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).

Average sunshine days in December
Sedan, NM

Average sunshine days in December - Sedan, NM
  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is November (25.5 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in December
Sedan, NM

Average UV index in December - Sedan, 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).

Average cloud cover in December
Sedan, NM

Average cloud cover in December - Sedan, NM
  • Average cloud cover in December: 22

The months with the most cloud cover are February, April and December (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 14).

Average visibility in December
Sedan, NM

Average visibility in December - Sedan, 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).

Sedan, New Mexico, USA

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