Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Brighton's December weather, with an average high temperature of 40.8°F (4.9°C) and an average low temperature of 21.2°F (-6°C), tends to be the coldest of the year.Humidity
In Brighton, the average relative humidity in December is 62%.Rainfall
The month with the least rainfall in Brighton is December, when the rain falls for 2.6 days and typically collects 0.12" (3mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Brighton, in December, snow falls for 4.5 days, with typically accumulated 0.75" (19mm) of snow. In Brighton, during the entire year, snow falls for 30.9 days and aggregates up to 11.42" (290mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Brighton.On the first day of the month, sunrise is at 7:02 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:44 pm MST.
Sunshine
In Brighton, 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 in Brighton. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Boost your sun resistance with garments that are densely woven yet spacious. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What is the coldest month in Brighton?
How cold does it get in Brighton in December?
What is the average humidity in December in Brighton?
What is the driest month in Brighton?
How much does it rain in Brighton in December?
How many days does it snow in December in Brighton?
What is the month with the shortest days in Brighton?
What is the average length of the day in December in Brighton?
When is the sunrise / sunset in December in Brighton?
How long on average sun shines in December in Brighton?
What is the month with the lowest UV index in Brighton?
What is the UV index reading in December in Brighton?
Average temperature in December
Brighton, CO
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (40.8°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).
Average pressure in December
Brighton, CO
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Brighton, CO
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is December (6mph).
Average humidity in December
Brighton, CO
- Average humidity in December: 62%
The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is August (40%).
Average rainfall in December
Brighton, CO
- Average rainfall in December: 0.12"
The wettest month (with the highest rainfall) is May (0.98").
The driest month (with the least rainfall) is December (0.12").
Average rainfall days in December
Brighton, CO
- Average rainfall days in December: 2.6 days
The month with the highest number of rainy days is May (10.8 days).
The month with the least rainy days is December (2.6 days).
Average snowfall in December
Brighton, CO
- Average snowfall in December: 0.75"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Brighton, CO
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Brighton, CO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in December
Brighton, CO
- Average sunshine days in December: 25.8 days
The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in December
Brighton, 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
Brighton, CO
- Average cloud cover in December: 25
The month with the most cloud cover is April (Cloud cover 28).
The months with the least cloud cover are June, August and September (Cloud cover 16).
Average visibility in December
Brighton, 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).
Brighton, Colorado, USA
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