December weather forecast and climate
Frisco, CO

Weather in December

December, the first month of the winter, in Frisco, is still a freezing cold month, with average temperature fluctuating between 22.6°F (-5.2°C) and 2.1°F (-16.6°C).

Temperature

With an average high-temperature of 22.6°F (-5.2°C) and an average low-temperature of 2.1°F (-16.6°C), December is the coldest month.

Humidity

In Frisco, the average relative humidity is 84%.

Rainfall

In December, the rain falls for 1.5 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Frisco, during the entire year, the rain falls for 74.4 days and collects up to 14.96" (380mm) of precipitation.

Snowfall

Months with snowfall in Frisco, Colorado, are January through December. In Frisco, during 11.3 snowfall days, 6.1" (155mm) of snow is typically accumulated. Throughout the year, there are 99.6 snowfall days, and 68.54" (1741mm) of snow is accumulated.

Daylight

With an average of 9.4h of daylight, December has the shortest days of the year in Frisco.

Sunshine

In December, the average sunshine in Frisco is 5.7h.

UV index

December is the month with the lowest UV index in Frisco, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 1 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Frisco?

The coldest month is December, with an average high-temperature of 22.6°F (-5.2°C) and an average low-temperature of 2.1°F (-16.6°C).

What is the average humidity in December in Frisco?

In December, the average relative humidity in Frisco is 84%.

How much does it rain in Frisco in December?

In Frisco, in December, during 1.5 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

How many days does it snow in December in Frisco?

In Frisco, in December, snow falls for 11.3 days, with typically accumulated 6.1" (155mm) of snow.

What is the month with the shortest days in Frisco?

With an average of 9.4h of daylight, December has the shortest days of the year in Frisco, Colorado.

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

In Frisco, the average length of the day in December is 9.4h.

How long on average sun shines in December in Frisco?

The average sunshine in December is 5.7h.

When is the lowest UV index in Frisco?

The month with the lowest UV index is December, with an average maximum UV index of 1.

How high is the UV index in December in Frisco?

In Frisco, Colorado, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV radiation.

Average temperature in December
Frisco, CO

Average temperature in December - Frisco, CO
  • Average high temperature in December: -5.2°C

The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is December (-5.2°C).

  • Average low temperature in December: -16.6°C

The month with the highest average low temperature is July (4.8°C).
The coldest month (with the lowest average low temperature) is January (-16.9°C).

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Average pressure in December
Frisco, CO

Average pressure in December - Frisco, CO
  • Average pressure in December: 1021.3mbar

The month with the highest atmospheric pressure is January (1022.6mbar).
The month with the lowest atmospheric pressure is April (1013.8mbar).

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Average wind speed in December
Frisco, CO

Average wind speed in December - Frisco, CO
  • Average wind speed in December: 9.4km/h

The windiest month (with the highest average wind speed) is February (10.7km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).

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Average humidity in December
Frisco, CO

Average humidity in December - Frisco, CO
  • Average humidity in December: 84%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (53%).

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Average rainfall in December
Frisco, CO

Average rainfall in December - Frisco, CO
  • Average rainfall in December: 19mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is January (17mm).

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Average rainfall days in December
Frisco, CO

Average rainfall days in December - Frisco, CO
  • Average rainfall days in December: 1.5 days

The month with the highest number of rainy days is July (19.3 days).
Months with the least rainy days are February and November (1.1 days).

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Average snowfall in December
Frisco, CO

Average snowfall in December - Frisco, CO
  • Average snowfall in December: 155mm

The month with the highest snowfall is May (315mm).
The month with the least snowfall is July (3mm).

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Average snowfall days in December
Frisco, CO

Average snowfall days in December - Frisco, CO
  • Average snowfall days in December: 11.3 days

The month with the highest number of snowfall days is May (13.8 days).
The month with the least snowfall days is July (0.9 days).

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

Average daylight in December / Average sunshine in December - Frisco, CO
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 5.7h

The month with the most sunshine is June (Average sunshine: 11.5h).
The month with the least sunshine is February (Average sunshine: 5.4h).

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Average sunshine days in December
Frisco, CO

Average sunshine days in December - Frisco, CO
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (8.7 days).

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Average UV index in December
Frisco, CO

Average UV index in December - Frisco, CO
  • Average UV index in December: 1

Months with the highest UV index are July and August (UV index 4).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Frisco, CO

Average cloud cover in December - Frisco, CO
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 18).

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Average visibility in December
Frisco, CO

Average visibility in December - Frisco, CO
  • Average visibility in December: 7km

The month with the highest visibility is June (10km).
Months with the lowest visibility are January and February (6km).

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