December weather forecast
Idalia, CO

Share

Weather in December

December, the first month of the winter in Idalia, is also an icy month, with an average temperature varying between 23.9°F (-4.5°C) and 40.6°F (4.8°C).

Temperature

December brings the lowest temperatures, with an average high of 40.6°F (4.8°C) and an average low of 23.9°F (-4.5°C).

Humidity

The months with the highest humidity are January, February and December, with an average relative humidity of 63%.

Rainfall

The months with the least rainfall in Idalia are January, February and December Rain falls for 1.8 days and accumulates 0.28" (7mm) of rain.

Snowfall

January through May, September through December are months with snowfall. In Idalia, during December, snow falls for 3.3 days and regularly aggregates up to 1.3" (33mm) of snow. In Idalia, Colorado, during the entire year, snow falls for 22.8 days and aggregates up to 10.08" (256mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:51 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:35 pm MST.

Sunshine

The average sunshine in December is 6.4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 2 in December transforms into this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
[Resources]

Frequently asked questions

What time of the year is the coldest in Idalia?

Idalia, Colorado, experiences its lowest temperatures in December, with an average peak of 40.6°F (4.8°C) and a low of 23.9°F (-4.5°C).

Is it cold in Idalia during December?

The average high-temperature and low-temperature in Idalia, Colorado, during December are 40.6°F (4.8°C) and 23.9°F (-4.5°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 91.4°F (33°C).

What is the most humid month in Idalia?

January, February and December, with an average relative humidity of 63%, are most humid months.

What is the average humidity in December in Idalia?

In December, the average relative humidity in Idalia is 63%.

What is the driest month in Idalia?

January, February and December are months with the least rain when the rain falls for 1.8 days and typically aggregates up to 0.28" (7mm) of rain.

How many days does it rain in December in Idalia?

In December, in Idalia, the rain falls for 1.8 days. Throughout December, 0.28" (7mm) of precipitation is accumulated.

How many days does it snow in December in Idalia?

In December, in Idalia, Colorado, it is snowing for 3.3 days. Throughout December, 1.3" (33mm) of snow is accumulated.

What is the month with the shortest days in Idalia?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Idalia, Colorado.

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

The average day length in December in Idalia, Colorado, is 9h and 25min.

When are sunrise and sunset in December in Idalia?

On the first day of December in Idalia, Colorado, sunrise is at 6:51 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:35 pm MST.

How many hours of sunshine does Idalia have in December?

In Idalia, Colorado, the average sunshine duration in December is 6.4h.

What is the month with the lowest UV index in Idalia?

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

How high is the UV index in December in Idalia?

In December, the average daily maximum UV index in Idalia is 2. A UV Index estimate of 2, and below, represents a low health risk 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
Idalia, CO

Average temperature in December - Idalia, CO
  • Average high temperature in December: 40.6°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is December (40.6°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

[Resources]

Average pressure in December
Idalia, CO

Average pressure in December - Idalia, CO
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).

[Resources]

Average wind speed in December
Idalia, CO

Average wind speed in December - Idalia, CO
  • Average wind speed in December: 10.3mph

The windiest month (with the highest average wind speed) is April (12.3mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).

[Resources]

Average humidity in December
Idalia, CO

Average humidity in December - Idalia, CO
  • Average humidity in December: 63%

The months with the highest relative humidity are January, February and December (63%).
The months with the lowest relative humidity are July and September (49%).

[Resources]

Average rainfall in December
Idalia, CO

Average rainfall in December - Idalia, CO
  • Average rainfall in December: 0.28"

The wettest month (with the highest rainfall) is May (2.68").
The driest months (with the least rainfall) are January, February and December (0.28").

[Resources]

Average rainfall days in December
Idalia, CO

Average rainfall days in December - Idalia, CO
  • Average rainfall days in December: 1.8 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is December (1.8 days).

[Resources]

Average snowfall in December
Idalia, CO

Average snowfall in December - Idalia, CO
  • Average snowfall in December: 1.3"

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

[Resources]

Average snowfall days in December
Idalia, CO

Average snowfall days in December - Idalia, CO
  • Average snowfall days in December: 3.3 days

The month with the highest number of snowfall days is February (4.3 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

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

Average daylight in December / Average sunshine in December - Idalia, CO
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 6h and 2min

The months with the most sunshine are June, July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

[Resources]

Average sunshine days in December
Idalia, CO

Average sunshine days in December - Idalia, CO
  • Average sunshine days in December: 26 days

The month with the most sunshine days is December (26 days).
The month with the least sunshine days is May (11.9 days).

[Resources]

Average UV index in December
Idalia, CO

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

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

[Resources]

Average cloud cover in December
Idalia, CO

Average cloud cover in December - Idalia, CO
  • Average cloud cover in December: 30

The month with the most cloud cover is February (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 19).

[Resources]

Average visibility in December
Idalia, CO

Average visibility in December - Idalia, 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]

Idalia, Colorado, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location