December weather forecast
Twin Lakes, CO

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Weather in December

The first month of the winter, December, is also a subzero cold month in Twin Lakes, Colorado, with temperature in the range of an average high of 23.5°F (-4.7°C) and an average low of 2.7°F (-16.3°C).

Temperature

December, characterized by an average high temperature of 23.5°F (-4.7°C) and a low temperature of 2.7°F (-16.3°C), is generally the coldest month.

Humidity

In Twin Lakes, the average relative humidity in December is 83%.

Rainfall

In Twin Lakes, in December, it is raining for 6.6 days, with typically 1.26" (32mm) of accumulated precipitation. In Twin Lakes, during the entire year, the rain falls for 120.6 days and collects up to 19.29" (490mm) of precipitation.

Snowfall

January through December are months with snowfall. In Twin Lakes, during December, snow falls for 17.9 days and regularly aggregates up to 10.12" (257mm) of snow. Throughout the year, there are 142.6 snowfall days, and 90.39" (2296mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:53 pm MST.

Sunshine

In December, the average sunshine is 6h.

UV index

February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: During December, 1 as the daily maximum UV index converts into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.

Frequently asked questions

What part of the year is the coldest?

In Twin Lakes, the average lowest temperatures are observed in December, with a high of 23.5°F (-4.7°C) and a low of 2.7°F (-16.3°C).

How cold is it in December?

In December, in Twin Lakes, the average high-temperature is 23.5°F (-4.7°C), and the average low-temperature is 2.7°F (-16.3°C).

What is the average humidity in December?

In December, the average relative humidity is 83%.

How much does it rain in Twin Lakes in December?

In Twin Lakes, in December, during 6.6 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

How much does it snow in December?

In Twin Lakes, in December, snow falls for 17.9 days, with typically accumulated 10.12" (257mm) of snow.

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 Twin Lakes, the average day length in December is 9h and 29min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:53 pm MST.

How many hours of sunshine does Twin Lakes have in December?

In December, the average sunshine duration is 6h.

What is the month with the lowest UV index?

The months with the lowest UV index are February and December, with an average maximum UV index of 1.

What is the UV index intensity in December in Twin Lakes?

The average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Twin Lakes, CO

Average temperature in December - Twin Lakes, CO
  • Average high temperature in December: 23.5°F

The warmest month (with the highest average high temperature) is July (66.7°F).
The month with the lowest average high temperature is December (23.5°F).

  • Average low temperature in December: 2.7°F

The month with the highest average low temperature is July (40.1°F).
The coldest months (with the lowest average low temperature) are January and December (2.7°F).

Average pressure in December
Twin Lakes, CO

Average pressure in December - Twin Lakes, CO
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is April (29.94"Hg).

Average wind speed in December
Twin Lakes, CO

Average wind speed in December - Twin Lakes, CO
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in December
Twin Lakes, CO

Average humidity in December - Twin Lakes, CO
  • Average humidity in December: 83%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (51%).

Average rainfall in December
Twin Lakes, CO

Average rainfall in December - Twin Lakes, CO
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is November (0.91").

Average rainfall days in December
Twin Lakes, CO

Average rainfall days in December - Twin Lakes, CO
  • Average rainfall days in December: 6.6 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (3.9 days).

Average snowfall in December
Twin Lakes, CO

Average snowfall in December - Twin Lakes, CO
  • Average snowfall in December: 10.12"

The month with the highest snowfall is March (15.08").
The month with the least snowfall is August (0.31").

Average snowfall days in December
Twin Lakes, CO

Average snowfall days in December - Twin Lakes, CO
  • Average snowfall days in December: 17.9 days

The month with the highest number of snowfall days is March (20 days).
The month with the least snowfall days is August (1.3 days).

Average daylight in December /
Average sunshine in December
Twin Lakes, CO

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 6h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).

Average sunshine days in December
Twin Lakes, CO

Average sunshine days in December - Twin Lakes, CO
  • Average sunshine days in December: 12.6 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is April (6.1 days).

Average UV index in December
Twin Lakes, CO

Average UV index in December - Twin Lakes, CO
  • Average UV index in December: 1

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

Average cloud cover in December
Twin Lakes, CO

Average cloud cover in December - Twin Lakes, CO
  • Average cloud cover in December: 42

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 17).

Average visibility in December
Twin Lakes, CO

Average visibility in December - Twin Lakes, CO
  • Average visibility in December: 4mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Twin Lakes, Colorado, USA

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