December weather forecast
Cory, CO

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Weather in December

The first month of the winter, December, is still a cold month in Cory, Colorado, with an average temperature varying between 18°F (-7.8°C) and 34.7°F (1.5°C).

Temperature

The onset of December coincides with a reduction in the average high-temperature, falling from a frosty 46.2°F (7.9°C) in November to a wintry 34.7°F (1.5°C). The average temperature during December nights dips to a subzero cold 18°F (-7.8°C).

Humidity

In December, the average relative humidity is 74%.

Rainfall

In Cory, in December, during 8.5 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. Throughout the year, there are 120.8 rainfall days, and 14.06" (357mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. The month with the most snowfall in Cory is December, when snow falls for 10.4 days and typically aggregates up to 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

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 low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Cory in December?

Cory in December has an average high-temperature of 34.7°F (1.5°C) and an average low-temperature of 18°F (-7.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 80.6°F (27°C).

What is the average humidity in December in Cory?

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

How many days does it rain in December in Cory?

In Cory, during December, the rain falls for 8.5 days and regularly aggregates up to 1.18" (30mm) of precipitation.

When does it snow the most in Cory?

December is the month with the most snowfall in Cory, Colorado. Snow falls for 10.4 days and accumulates 5.87" (149mm) of snow.

How many days does it snow in December in Cory?

In Cory, during December, snow falls for 10.4 days and regularly aggregates up to 5.87" (149mm) of snow.

What is the month with the shortest days in Cory?

December has the shortest days of the year in Cory, with an average of 9h and 30min of daylight.

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

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

When are sunrise and sunset in December in Cory?

On the first day of December in Cory, Colorado, 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 long on average sun shines in December in Cory?

In Cory, the average sunshine duration in December is 6.5h.

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

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 in Cory?

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