December weather forecast
Cory, CO

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Weather in December

December, the first month of the winter in Cory, is also an icy month, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 34.7°F (1.5°C).

Temperature

As November transitions into December, Cory sees a drop in the average high-temperature, transitioning from a chilly 46.2°F (7.9°C) to a wintry 34.7°F (1.5°C). An average low-temperature of 18°F (-7.8°C) is recorded in the month of December.

Humidity

In Cory, the average relative humidity in December is 74%.

Rainfall

In December, the rain falls for 8.5 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. In Cory, during the entire year, the rain falls for 120.8 days and collects up to 14.06" (357mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. December is the month with the most snowfall. Snow falls for 10.4 days and accumulates 5.87" (149mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Cory.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:00 pm MST.

Sunshine

In December, the average sunshine is 6.5h.

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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The average high-temperature and low-temperature during December are 34.7°F (1.5°C) and 18°F (-7.8°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 80.6°F (27°C).

What is the average humidity in December in Cory?

The average relative humidity in December is 74%.

How many days does it rain in December?

In December, the rain falls for 8.5 days. Throughout December, 1.18" (30mm) of precipitation is accumulated.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 10.4 days and typically aggregates up to 5.87" (149mm) of snow.

How many days does it snow in December in Cory?

In December, it is snowing for 10.4 days. Throughout December, 5.87" (149mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Cory have in December?

In Cory, the average day length in December is 9h and 31min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:00 pm MST.

How many hours of sunshine does Cory have in December?

In December, the average sunshine duration is 6.5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe 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
Cory, CO

Average temperature in December - Cory, CO
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in December: 18°F

The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).

Average pressure in December
Cory, CO

Average pressure in December - Cory, CO
  • Average pressure in December: 30.19"Hg

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is May (29.92"Hg).

Average wind speed in December
Cory, CO

Average wind speed in December - Cory, CO
  • Average wind speed in December: 4.2mph

The windiest month (with the highest average wind speed) is June (7mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).

Average humidity in December
Cory, CO

Average humidity in December - Cory, CO
  • Average humidity in December: 74%

The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (34%).

Average rainfall in December
Cory, CO

Average rainfall in December - Cory, CO
  • Average rainfall in December: 1.18"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is June (0.71").

Average rainfall days in December
Cory, CO

Average rainfall days in December - Cory, CO
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is April (13.8 days).
The month with the least rainy days is June (6.8 days).

Average snowfall in December
Cory, CO

Average snowfall in December - Cory, CO
  • Average snowfall in December: 5.87"

The month with the highest snowfall is December (5.87").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Cory, CO

Average snowfall days in December - Cory, CO
  • Average snowfall days in December: 10.4 days

The month with the highest number of snowfall days is February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 30min).

  • Average sunshine in December: 6h and 3min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).

Average sunshine days in December
Cory, CO

Average sunshine days in December - Cory, CO
  • Average sunshine days in December: 16.2 days

The months with the most sunshine days are June and November (20.4 days).
The month with the least sunshine days is August (13.3 days).

Average UV index in December
Cory, CO

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Cory, CO

Average cloud cover in December - Cory, CO
  • Average cloud cover in December: 32

The months with the most cloud cover are January and February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 11).

Average visibility in December
Cory, CO

Average visibility in December - Cory, CO
  • Average visibility in December: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Cory, Colorado, USA

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