December weather forecast
Matheson, CO

Weather in December

The first month of the winter, December, is also a wintry month in Matheson, Colorado, with an average temperature ranging between min 22.3°F (-5.4°C) and max 39°F (3.9°C).

Temperature

December is the coldest month, with an average high-temperature of 39°F (3.9°C) and an average low-temperature of 22.3°F (-5.4°C).

Humidity

The average relative humidity in December in Matheson is 60%.

Rainfall

The month with the least rainfall is December, when the rain falls for 2.5 days and typically collects 0.2" (5mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Matheson, in December, during 3.5 snowfall days, 0.75" (19mm) of snow is typically accumulated. Throughout the year, in Matheson, there are 26.7 snowfall days, and 9.02" (229mm) of snow is accumulated.

Daylight

The month with the shortest days in Matheson, Colorado, is December, with an average of 9h and 28min of daylight.
On the first day of December, sunrise is at 6:56 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:42 pm MST.

Sunshine

In Matheson, Colorado, the average sunshine in December is 6.8h.

UV index

The months with the lowest UV index in Matheson 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 health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in December transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the coldest month in Matheson?

December is the coldest month in Matheson, with an average high-temperature of 39°F (3.9°C) and an average low-temperature of 22.3°F (-5.4°C).

What is the temperature in December in Matheson?

In December, the average high-temperature is 39°F (3.9°C), and the average low-temperature is 22.3°F (-5.4°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is calculated to be 84.2°F (29°C).

What is the average humidity in December in Matheson?

The average relative humidity in December is 60%.

What is the driest month in Matheson?

December is the month with the least rainfall in Matheson. Rain falls for 2.5 days and accumulates 0.2" (5mm) of precipitation.

How many days does it rain in December in Matheson?

In Matheson, during December, the rain falls for 2.5 days and regularly aggregates up to 0.2" (5mm) of precipitation.

How much does it snow in Matheson in December?

In Matheson, during December, snow falls for 3.5 days and regularly aggregates up to 0.75" (19mm) of snow.

What is the month with the shortest days in Matheson?

December has the shortest days of the year in Matheson, with an average of 9h and 28min of daylight.

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

In December, the average day length in Matheson is 9h and 28min.

When is the sunrise / sunset in December in Matheson?

In December, on the first day of the month, sunrise is at 6:56 am and sunset at 4:33 pm. On the last day of the month, in Matheson, sunrise is at 7:15 am and sunset at 4:42 pm MST.

How many hours of sunshine does Matheson have in December?

The average sunshine duration in December in Matheson, Colorado, is 6.8h.

When is the lowest UV index in Matheson?

January, February, 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 Matheson?

In Matheson, Colorado, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's 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
Matheson, CO

Average temperature in December - Matheson, CO
  • Average high temperature in December: 39°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (39°F).

  • Average low temperature in December: 22.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).

[Resources]

Average pressure in December
Matheson, CO

Average pressure in December - Matheson, CO
  • Average pressure in December: 30.09"Hg

The months with the highest atmospheric pressure are January and December (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

[Resources]

Average wind speed in December
Matheson, CO

Average wind speed in December - Matheson, CO
  • Average wind speed in December: 9.7mph

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

[Resources]

Average humidity in December
Matheson, CO

Average humidity in December - Matheson, CO
  • Average humidity in December: 60%

The month with the highest relative humidity is February (63%).
The months with the lowest relative humidity are June and September (46%).

[Resources]

Average rainfall in December
Matheson, CO

Average rainfall in December - Matheson, CO
  • Average rainfall in December: 0.2"

The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is December (0.2").

[Resources]

Average rainfall days in December
Matheson, CO

Average rainfall days in December - Matheson, CO
  • Average rainfall days in December: 2.5 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (1.7 days).

[Resources]

Average snowfall in December
Matheson, CO

Average snowfall in December - Matheson, CO
  • Average snowfall in December: 0.75"

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

[Resources]

Average snowfall days in December
Matheson, CO

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

The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Matheson, CO
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 6h and 5min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

[Resources]

Average sunshine days in December
Matheson, CO

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

The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is July (13.4 days).

[Resources]

Average UV index in December
Matheson, CO

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

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

[Resources]

Average cloud cover in December
Matheson, CO

Average cloud cover in December - Matheson, CO
  • Average cloud cover in December: 25

The months with the most cloud cover are February and April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 16).

[Resources]

Average visibility in December
Matheson, CO

Average visibility in December - Matheson, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location