December weather forecast
Karval, CO

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Weather in December

December, the first month of the winter in Karval, is also an icy month, with temperature in the range of an average low of 22.3°F (-5.4°C) and an average high of 39°F (3.9°C).

Temperature

In Karval, the lowest average temperatures are observed in December, with a high of 39°F (3.9°C) and a low of 22.3°F (-5.4°C).

Humidity

In December, the average relative humidity 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 Karval, in December, during 3.5 snowfall days, 0.75" (19mm) of snow is typically accumulated. In Karval, during the entire year, snow falls for 26.7 days and aggregates up to 9.02" (229mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 6:53 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:42 pm MST.

Sunshine

In Karval, the average sunshine in December is 6.8h.

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: The UV index of 2 in December translates into these instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

The coldest temperatures occur during December, when averages reach a peak of 39°F (3.9°C) and a low of 22.3°F (-5.4°C).

How cold does it get in December?

The high-temperature, in December, in Karval, records 39°F (3.9°C), while the low-temperature is 22.3°F (-5.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 84.2°F (29°C).

What is the average humidity in December?

In Karval, the average relative humidity in December is 60%.

What is the driest month?

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

How much does it rain in December?

In Karval, in December, it is raining for 2.5 days, with typically 0.2" (5mm) of accumulated precipitation.

How many days does it snow in December?

In Karval, in December, during 3.5 snowfall days, 0.75" (19mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:42 pm MST.

How many hours of sunshine does Karval have in December?

The average sunshine duration in December is 6.8h.

What are the months 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.

How high is the UV index in December?

In December, the average daily maximum UV index 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
Karval, CO

Average temperature in December - Karval, 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).

Average pressure in December
Karval, CO

Average pressure in December - Karval, 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).

Average wind speed in December
Karval, CO

Average wind speed in December - Karval, 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).

Average humidity in December
Karval, CO

Average humidity in December - Karval, 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%).

Average rainfall in December
Karval, CO

Average rainfall in December - Karval, 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").

Average rainfall days in December
Karval, CO

Average rainfall days in December - Karval, 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).

Average snowfall in December
Karval, CO

Average snowfall in December - Karval, 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").

Average snowfall days in December
Karval, CO

Average snowfall days in December - Karval, 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).

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

Average daylight in December / Average sunshine in December - Karval, 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 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).

Average sunshine days in December
Karval, CO

Average sunshine days in December - Karval, 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).

Average UV index in December
Karval, CO

Average UV index in December - Karval, 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).

Average cloud cover in December
Karval, CO

Average cloud cover in December - Karval, 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).

Average visibility in December
Karval, CO

Average visibility in December - Karval, 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).

Karval, Colorado, USA

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