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
During the coldest month, December, temperatures average a high of 36.3°F (2.4°C) and a low of 18.5°F (-7.5°C).Humidity
In December, the average relative humidity in Calhan, Colorado, is 63%.Rainfall
December is the month with the least rainfall in Calhan. Rain falls for 4.5 days and accumulates 0.51" (13mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Calhan, in December, snow falls for 9.3 days, with typically accumulated 3.23" (82mm) of snow. Throughout the year, in Calhan, there are 63.1 snowfall days, and 34.76" (883mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 6:57 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:45 pm MST.
Sunshine
The average sunshine in December in Calhan is 6.8h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Calhan. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Calhan?
How cold is December in Calhan?
What is the average humidity in December in Calhan?
What is the driest month in Calhan?
How much does it rain in Calhan in December?
How many days does it snow in December in Calhan?
What is the month with the shortest days in Calhan?
What is the average length of the day in December in Calhan?
When are sunrise and sunset in December in Calhan?
How long on average sun shines in December in Calhan?
What are the months with the lowest UV index in Calhan?
What is the UV index reading in December in Calhan?
Average temperature in December
Calhan, 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
Calhan, 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
Calhan, 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
Calhan, 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
Calhan, 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
Calhan, 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
Calhan, 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
Calhan, 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
Calhan, 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
Calhan, 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
Calhan, 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
Calhan, 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
Calhan, 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).
Calhan, Colorado, USA
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