December weather forecast
Truchas, NM

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Weather in December

December, the first month of the winter in Truchas, is also a wintry month, with an average temperature ranging between max 39.6°F (4.2°C) and min 19.4°F (-7°C).

Temperature

The commencement of December indicates a shift in the average high-temperature, receding from November's cool 50.4°F (10.2°C) to a cold 39.6°F (4.2°C). Truchas's temperature in December lowers to a consistent average of 19.4°F (-7°C) during the nights.

Humidity

In December, the average relative humidity is 65%.

Rainfall

In Truchas, in December, it is raining for 6 days, with typically 0.71" (18mm) of accumulated precipitation. In Truchas, during the entire year, the rain falls for 84.2 days and collects up to 7.48" (190mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Truchas. The month with the most snowfall is December, when snow falls for 7.5 days and typically aggregates up to 4.02" (102mm) 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 the month, sunrise is at 6:56 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:13 am and sunset at 4:59 pm MST.

Sunshine

January and December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

How cold is it in December?

The high-temperature in Truchas during December is 39.6°F (4.2°C) and the low-temperature is 19.4°F (-7°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 82.4°F (28°C).

What is the average humidity in December?

In December, the average relative humidity is 65%.

How much does it rain in December?

In December, the rain falls for 6 days. Throughout December, 0.71" (18mm) of precipitation is accumulated.

What is the snowiest month?

December is the month with the most snowfall. Snow falls for 7.5 days and accumulates 4.02" (102mm) of snow.

How much does it snow in December?

In Truchas, in December, snow falls for 7.5 days, with typically accumulated 4.02" (102mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

What is the average length of the day in December?

In Truchas, the average day length in December is 9h and 46min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:56 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:59 pm MST.

What is the month with the least sunshine?

January and December, with an average of 7h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 7h.

When is the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Truchas, NM

Average temperature in December - Truchas, NM
  • Average high temperature in December: 39.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 19.4°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).

Average pressure in December
Truchas, NM

Average pressure in December - Truchas, NM
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.89"Hg).

Average wind speed in December
Truchas, NM

Average wind speed in December - Truchas, NM
  • Average wind speed in December: 5.6mph

The windiest months (with the highest average wind speed) are April and May (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Truchas, NM

Average humidity in December - Truchas, NM
  • Average humidity in December: 65%

The month with the highest relative humidity is January (69%).
The month with the lowest relative humidity is June (33%).

Average rainfall in December
Truchas, NM

Average rainfall in December - Truchas, NM
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is April (0.31").

Average rainfall days in December
Truchas, NM

Average rainfall days in December - Truchas, NM
  • Average rainfall days in December: 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 (4.1 days).

Average snowfall in December
Truchas, NM

Average snowfall in December - Truchas, NM
  • Average snowfall in December: 4.02"

The month with the highest snowfall is December (4.02").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Truchas, NM

Average snowfall days in December - Truchas, NM
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 48min).

  • Average sunshine in December: 7h

The month with the most sunshine is June (Average sunshine: 12h).
The months with the least sunshine are January and December (Average sunshine: 7h).

Average sunshine days in December
Truchas, NM

Average sunshine days in December - Truchas, NM
  • Average sunshine days in December: 20.9 days

The month with the most sunshine days is November (24.2 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in December
Truchas, NM

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

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

Average cloud cover in December
Truchas, NM

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

The months with the most cloud cover are January, February and December (Cloud cover 22).
The months with the least cloud cover are June and October (Cloud cover 10).

Average visibility in December
Truchas, NM

Average visibility in December - Truchas, 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).

Truchas, New Mexico, USA

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