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 is the month that records the lowest temperatures, with averages ranging from a high of 29.3°F (-1.5°C) to a low of 11.8°F (-11.2°C).Humidity
The average relative humidity in December in Black Hawk is 72%.Rainfall
December is the month with the least rainfall. Rain falls for 3 days and accumulates 0.28" (7mm) of precipitation.Snowfall
Months with snowfall are January through December. In Black Hawk, in December, during 8.4 snowfall days, 2.36" (60mm) of snow is typically accumulated. Throughout the year, there are 74.9 snowfall days, and 35.39" (899mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:04 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:47 pm MST.
Sunshine
In Black Hawk, the average sunshine in December is 6.5h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Black Hawk. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Black Hawk?
How cold is December in Black Hawk?
What is the average humidity in December in Black Hawk?
What is the driest month in Black Hawk?
How many days does it rain in December in Black Hawk?
How much does it snow in Black Hawk in December?
What is the month with the shortest days in Black Hawk?
What is the average length of the day in December in Black Hawk?
What time are sunrise and sunset in December in Black Hawk?
How many hours of sunshine does Black Hawk have in December?
What are the months with the lowest UV index in Black Hawk?
What is the UV index intensity in December in Black Hawk?
Average temperature in December
Black Hawk, CO
- Average high temperature in December: 29.3°F
The warmest month (with the highest average high temperature) is July (72.3°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in December: 11.8°F
The month with the highest average low temperature is July (46.9°F).
The coldest month (with the lowest average low temperature) is February (11.3°F).
Average pressure in December
Black Hawk, CO
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is April (29.92"Hg).
Average wind speed in December
Black Hawk, CO
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Black Hawk, CO
- Average humidity in December: 72%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is June (50%).
Average rainfall in December
Black Hawk, CO
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is December (0.28").
Average rainfall days in December
Black Hawk, CO
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (2.2 days).
Average snowfall in December
Black Hawk, CO
- Average snowfall in December: 2.36"
The month with the highest snowfall is March (6.73").
The months with the least snowfall are July and August (0.04").
Average snowfall days in December
Black Hawk, CO
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is March (11.6 days).
The months with the least snowfall days are July and August (0.1 days).
Average daylight in December /
Average sunshine in December
Black Hawk, CO
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 6h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in December
Black Hawk, CO
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is November (23.2 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Black Hawk, CO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in December
Black Hawk, CO
- Average cloud cover in December: 31
The months with the most cloud cover are February, April and May (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 20).
Average visibility in December
Black Hawk, 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 Hawk, Colorado, USA
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