December weather forecast and climate
Monument, NM

The first month of the winter, December, is still a cool month in Monument, New Mexico, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 53.8°F (12.1°C).

Temperature

In December, the average high-temperature decreases, from an enjoyable 63.5°F (17.5°C) in November, to a cool 53.8°F (12.1°C). In December, in Monument, the average low-temperature is 37°F (2.8°C).

Humidity

The average relative humidity in December is 51%.

Rainfall

In December, in Monument, the rain falls for 4.5 days. Throughout December, 0.51" (13mm) of precipitation is accumulated. In Monument, during the entire year, the rain falls for 81.7 days and collects up to 11.5" (292mm) of precipitation.

Snowfall

Months with snowfall in Monument are January through March, October through December. December is the month with the most snowfall. Snow falls for 1.9 days and accumulates 1.22" (31mm) of snow.

Daylight

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

Sunshine

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

UV index

The month with the lowest UV index in Monument is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Monument?

The average high-temperature, in December, in Monument, is 53.8°F (12.1°C), while the average low-temperature is 37°F (2.8°C).

What is the average humidity in December in Monument?

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

How much does it rain in Monument in December?

In Monument, during December, the rain falls for 4.5 days and regularly aggregates up to 0.51" (13mm) of precipitation.

How many days does it snow in December in Monument?

In December, it is snowing for 1.9 days. Throughout December, 1.22" (31mm) of snow is accumulated.

When does it snow the most in Monument?

December is the month with the most snowfall. Snow falls for 1.9 days and accumulates 1.22" (31mm) of snow.

What is the month with the shortest days in Monument?

With an average of 10h of daylight, December has the shortest days of the year.

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

The average length of the day in December is 10h.

What is the month with the least sunshine in Monument?

December has the least sunshine of the year in Monument, New Mexico, with an average of 6.9h of sunshine.

How long on average sun shines in December in Monument?

In Monument, the average sunshine in December is 6.9h.

When is the lowest UV index in Monument?

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

What is the UV index intensity in December in Monument?

In December, the average daily maximum UV index in Monument, New Mexico, is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to the UV radiation.
Average temperature in December - Monument, NM
  • Average high temperature in December: 12.1°C

The warmest month (with the highest average high temperature) is June (33.8°C).
The month with the lowest average high temperature is January (12°C).

  • Average low temperature in December: 2.8°C

The month with the highest average low temperature is July (22.8°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).

Average pressure in December - Monument, NM
  • Average pressure in December: 1019.1mbar

The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is June (1010.3mbar).

Average wind speed in December - Monument, NM
  • Average wind speed in December: 16.3km/h

The windiest month (with the highest average wind speed) is April (21.1km/h).
The calmest months (with the lowest average wind speed) are January and December (16.3km/h).

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

The month with the highest relative humidity is September (53%).
The month with the lowest relative humidity is April (32%).

Average rainfall in December - Monument, NM
  • Average rainfall in December: 13mm

The wettest month (with the highest rainfall) is September (56mm).
The driest month (with the least rainfall) is February (6mm).

Average rainfall days in December - Monument, NM
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is September (12.4 days).
The month with the least rainy days is February (2.7 days).

Average snowfall in December - Monument, NM
  • Average snowfall in December: 31mm

The month with the highest snowfall is December (31mm).
Months with the least snowfall are April, May, June, July, August and September (0mm).

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

The month with the highest number of snowfall days is December (1.9 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Monument, NM
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 6.9h

The month with the most sunshine is June (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 6.9h).

Average sunshine days in December - Monument, NM
  • Average sunshine days in December: 25.4 days

The month with the most sunshine days is January (27.1 days).
The month with the least sunshine days is September (15.4 days).

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

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 2).

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

The month with the most cloud cover is September (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 12).

Average visibility in December - Monument, NM
  • Average visibility in December: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).