December weather forecast
McClave, CO

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Weather in December

The first month of the winter, December, is still a chilly month in McClave, Colorado, with an average temperature ranging between max 43.7°F (6.5°C) and min 26.4°F (-3.1°C).

Temperature

In McClave, the lowest average temperatures are observed in December, with a high of 43.7°F (6.5°C) and a low of 26.4°F (-3.1°C).

Humidity

In McClave, the average relative humidity in December is 57%.

Rainfall

In McClave, in December, during 3.7 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. Throughout the year, there are 79.5 rainfall days, and 8.9" (226mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 3.5 days. Throughout December, 1.02" (26mm) of snow is accumulated. Throughout the year, there are 19.6 snowfall days, and 7.09" (180mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of December in McClave, sunrise is at 6:49 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:41 pm MST.

Sunshine

In December, the average sunshine is 6.8h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, an average UV index of 2 transforms into the following instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun's radiation is especially intense around midday; try to stay in shade during this period. 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. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

McClave's temperature records reveal December as the coldest month, marked by average highs of 43.7°F (6.5°C) and lows of 26.4°F (-3.1°C).

Is it cold during December?

December temperatures vary between a high-temperature of 43.7°F (6.5°C) and a low-temperature of 26.4°F (-3.1°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 82.4°F (28°C).

What is the average humidity in December?

The average relative humidity in December is 57%.

How many days does it rain in December?

In McClave, in December, during 3.7 rainfall days, 0.35" (9mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 3.5 days. Throughout December, 1.02" (26mm) of snow is accumulated.

What is the month with the shortest days in McClave?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does McClave have in December?

In McClave, the average day length in December is 9h and 34min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:49 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:41 pm MST.

How long on average sun shines in December?

In McClave, the average sunshine duration in December is 6.8h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December in McClave?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk 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
McClave, CO

Average temperature in December - McClave, CO
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in December: 26.4°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (26.4°F).

Average pressure in December
McClave, CO

Average pressure in December - McClave, CO
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).

Average wind speed in December
McClave, CO

Average wind speed in December - McClave, CO
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is January (8.9mph).

Average humidity in December
McClave, CO

Average humidity in December - McClave, CO
  • Average humidity in December: 57%

The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (40%).

Average rainfall in December
McClave, CO

Average rainfall in December - McClave, CO
  • Average rainfall in December: 0.35"

The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is November (0.28").

Average rainfall days in December
McClave, CO

Average rainfall days in December - McClave, CO
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (2.5 days).

Average snowfall in December
McClave, CO

Average snowfall in December - McClave, CO
  • Average snowfall in December: 1.02"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
McClave, CO

Average snowfall days in December - McClave, CO
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
McClave, CO

Average daylight in December / Average sunshine in December - McClave, CO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in December
McClave, CO

Average sunshine days in December - McClave, CO
  • Average sunshine days in December: 24.9 days

The month with the most sunshine days is November (25.2 days).
The month with the least sunshine days is July (17.3 days).

Average UV index in December
McClave, CO

Average UV index in December - McClave, CO
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in December
McClave, CO

Average cloud cover in December - McClave, CO
  • Average cloud cover in December: 23

The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).

Average visibility in December
McClave, CO

Average visibility in December - McClave, CO
  • 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).

McClave, Colorado, USA

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