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
December, known for its average high temperature of 36.3°F (2.4°C) and an average low temperature of 18.5°F (-7.5°C), is the coldest month.Humidity
The average relative humidity in December is 63%.Rainfall
The month with the least rainfall is December, when the rain falls for 4.5 days and typically collects 0.51" (13mm) of precipitation.Snowfall
Months with snowfall in Black Forest are January through May, September through December. In December, it is snowing for 9.3 days. Throughout December, 3.23" (82mm) of snow is accumulated. Throughout the year, there are 63.1 snowfall days, and 34.76" (883mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:59 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:46 pm MST.
Sunshine
The average sunshine in December is 6.8h.UV index
The months with the lowest UV index in Black Forest are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in December?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Black Forest have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Black Forest, CO
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (36.3°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
Black Forest, CO
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is April (29.9"Hg).
Average wind speed in December
Black Forest, CO
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in December
Black Forest, CO
- Average humidity in December: 63%
The month with the highest relative humidity is February (67%).
The month with the lowest relative humidity is June (48%).
Average rainfall in December
Black Forest, CO
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is July (3.15").
The driest month (with the least rainfall) is December (0.51").
Average rainfall days in December
Black Forest, CO
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (2.7 days).
Average snowfall in December
Black Forest, CO
- Average snowfall in December: 3.23"
The month with the highest snowfall is April (6.42").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Black Forest, CO
- Average snowfall days in December: 9.3 days
The month with the highest number of snowfall days is February (11.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Black Forest, 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 5min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in December
Black Forest, CO
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is November (22 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in December
Black Forest, 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
Black Forest, CO
- Average cloud cover in December: 25
The month with the most cloud cover is April (Cloud cover 31).
The months with the least cloud cover are June, October and November (Cloud cover 19).
Average visibility in December
Black Forest, 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).
Black Forest, Colorado, USA
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