December weather forecastBrookside, CO
December
Weather in December
The first month of the winter, December, is also a wintry month in Brookside, Colorado, with an average temperature varying between 18.5°F (-7.5°C) and 38.3°F (3.5°C).Temperature
Brookside, Colorado, in December demonstrates a small temperature transition, adjusting from an average high of a chilly 48.4°F (9.1°C) in November to a cold 38.3°F (3.5°C). During December, the average low-temperature in Brookside is a freezing cold 18.5°F (-7.5°C).Humidity
In Brookside, the average relative humidity in December is 65%.Rainfall
In Brookside, in December, it is raining for 4 days, with typically 0.35" (9mm) of accumulated precipitation. Throughout the year, there are 108.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Brookside. In Brookside, Colorado, during December, snow falls for 5.5 days and regularly aggregates up to 2.6" (66mm) of snow. Throughout the year, in Brookside, there are 38 snowfall days, and 23.94" (608mm) of snow is accumulated.Daylight
December has the shortest days of the year in Brookside, Colorado, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:50 pm MST.
Sunshine
The average sunshine in December is 7.2h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Brookside. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Brookside, CO
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (55.8°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).
Average pressure in December
Brookside, CO
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is April (29.91"Hg).
Average wind speed in December
Brookside, CO
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January, February and March (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Brookside, CO
- Average humidity in December: 65%
The months with the highest relative humidity are January and February (69%).
The month with the lowest relative humidity is June (40%).
Average rainfall in December
Brookside, CO
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is July (2.2").
The driest months (with the least rainfall) are January and November (0.31").
Average rainfall days in December
Brookside, CO
- Average rainfall days in December: 4 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in December
Brookside, CO
- Average snowfall in December: 2.6"
The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Brookside, CO
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Brookside, CO
- Average daylight in December: 9h and 30min
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: 7h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 7h and 0min).
Average sunshine days in December
Brookside, CO
- Average sunshine days in December: 23.8 days
The month with the most sunshine days is November (24.7 days).
The month with the least sunshine days is July (4.7 days).
Average UV index in December
Brookside, 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, October, November and December (UV index 2).
Average cloud cover in December
Brookside, CO
- Average cloud cover in December: 20
The months with the most cloud cover are February and April (Cloud cover 23).
The months with the least cloud cover are June, September, October and November (Cloud cover 14).
Average visibility in December
Brookside, 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).
