December weather forecast
Karval, CO

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Weather in December

December, the first month of the winter in Karval, is also a wintry month, with an average temperature fluctuating between 39°F (3.9°C) and 22.3°F (-5.4°C).

Temperature

Karval's December weather, with an average high temperature of 39°F (3.9°C) and an average low temperature of 22.3°F (-5.4°C), tends to be the coldest of the year.

Humidity

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

Rainfall

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

Snowfall

Months with snowfall in Karval are January through May, September through December. In Karval, during December, snow falls for 3.5 days and regularly aggregates up to 0.75" (19mm) of snow. Throughout the year, there are 26.7 snowfall days, and 9.02" (229mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Karval.
On the first day of December, 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.

Sunshine

The average sunshine in December is 6.8h.

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 of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What are the coldest months in Karval?

Karval experiences its average lowest temperatures in December, reaching a peak of 39°F (3.9°C) and a minimum of 22.3°F (-5.4°C).

How cold is December in Karval?

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. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 84.2°F (29°C).

What is the average humidity in December in Karval?

The average relative humidity in December in Karval, Colorado, is 60%.

What is the driest month in Karval?

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

How many days does it rain in December in Karval?

In Karval, Colorado, in December, during 2.5 rainfall days, 0.2" (5mm) of precipitation is typically accumulated.

How many days does it snow in December in Karval?

In Karval, in December, snow falls for 3.5 days, with typically accumulated 0.75" (19mm) of snow.

What is the month with the shortest days in Karval?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Karval, Colorado.

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

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

What time are sunrise and sunset in December in Karval?

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, in Karval, Colorado, 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.

When is the lowest UV index in Karval?

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

What is the UV index reading in December in Karval?

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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Karval, Colorado, USA

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