December weather forecast and climate
McDonald, NM

The first month of the winter, December, is still a cool month in McDonald, New Mexico, with average temperature fluctuating between 53.1°F (11.7°C) and 36°F (2.2°C).

Temperature

In McDonald, the average high-temperature decreases, from an enjoyable 62.1°F (16.7°C) in November, to a fresh 53.1°F (11.7°C). In McDonald, the average low-temperature is 36°F (2.2°C).

Humidity

In McDonald, the average relative humidity is 51%.

Rainfall

In McDonald, during December, the rain falls for 3.8 days and regularly aggregates up to 0.47" (12mm) of precipitation. Throughout the year, there are 77 rainfall days, and 11.22" (285mm) of precipitation is accumulated.

Snowfall

Months with snowfall in McDonald, New Mexico, are January through April, October through December. The month with the most snowfall in McDonald is December when snow falls for 2.5 days and typically aggregates up to 1.18" (30mm) of snow.

Daylight

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

Sunshine

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

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index in McDonald. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 McDonald?

In December, in McDonald, the average high-temperature is 53.1°F (11.7°C), and the average low-temperature is 36°F (2.2°C).

What is the average humidity in December in McDonald?

The average relative humidity in December is 51%.

How much does it rain in McDonald in December?

In McDonald, New Mexico, in December, during 3.8 rainfall days, 0.47" (12mm) of precipitation is typically accumulated.

How much does it snow in McDonald in December?

In McDonald, in December, during 2.5 snowfall days, 1.18" (30mm) of snow is typically accumulated.

What is the snowiest month in McDonald?

December is the month with the most snowfall. Snow falls for 2.5 days and accumulates 1.18" (30mm) of snow.

What is the month with the shortest days in McDonald?

With an average of 10h of daylight, December has the shortest days of the year in McDonald, New Mexico.

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

In December, the average length of the day in McDonald is 10h.

What is the month with the least sunshine in McDonald?

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

How long on average sun shines in December in McDonald?

In December, the average sunshine in McDonald, New Mexico, is 6.9h.

When is the lowest UV index in McDonald?

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

What is the UV index reading in December in McDonald?

In December, the average daily maximum UV index in McDonald, New Mexico, is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to the UV radiation.
Average temperature in December - McDonald, NM
  • Average high temperature in December: 11.7°C

The warmest month (with the highest average high temperature) is June (33°C).
The month with the lowest average high temperature is January (11.6°C).

  • Average low temperature in December: 2.2°C

The month with the highest average low temperature is July (22°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in December - McDonald, NM
  • Average pressure in December: 1019mbar

The month with the highest atmospheric pressure is January (1020.2mbar).
The month with the lowest atmospheric pressure is June (1010.3mbar).

Average wind speed in December - McDonald, NM
  • Average wind speed in December: 16.9km/h

The windiest month (with the highest average wind speed) is April (21.6km/h).
The calmest month (with the lowest average wind speed) is August (16.5km/h).

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

The month with the highest relative humidity is September (54%).
The month with the lowest relative humidity is April (32%).

Average rainfall in December - McDonald, NM
  • Average rainfall in December: 12mm

The wettest month (with the highest rainfall) is September (61mm).
The driest month (with the least rainfall) is February (6mm).

Average rainfall days in December - McDonald, NM
  • Average rainfall days in December: 3.8 days

The month with the highest number of rainy days is September (11.7 days).
Months with the least rainy days are February and November (2.5 days).

Average snowfall in December - McDonald, NM
  • Average snowfall in December: 30mm

The month with the highest snowfall is December (30mm).
Months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December - McDonald, NM
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is December (2.5 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - McDonald, 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 - McDonald, NM
  • Average sunshine days in December: 25.2 days

The month with the most sunshine days is January (27.2 days).
The month with the least sunshine days is September (16.5 days).

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

Months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average visibility in December - McDonald, 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).