December weather forecastSlater, CO
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Slater, Colorado, with an average temperature varying between 8.2°F (-13.2°C) and 23.9°F (-4.5°C).Temperature
Slater's coldest temperatures are experienced in December, with average high temperatures of 23.9°F (-4.5°C) and lows of 8.2°F (-13.2°C).Humidity
The average relative humidity in December in Slater is 86%.Rainfall
In Slater, in December, during 4.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 83.8 rainfall days, and 19.72" (501mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through July, September through December. In Slater, Colorado, in December, during 19.8 snowfall days, 15.83" (402mm) of snow is typically accumulated. Throughout the year, there are 127.8 snowfall days, and 116.54" (2960mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:16 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:52 pm MST.
Sunshine
The average sunshine in December is 5h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 1 suggests these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Slater, CO
- Average high temperature in December: 23.9°F
The warmest month (with the highest average high temperature) is July (74.5°F).
The month with the lowest average high temperature is December (23.9°F).
- Average low temperature in December: 8.2°F
The month with the highest average low temperature is July (46.8°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in December
Slater, CO
- Average pressure in December: 30.2"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are May and June (29.92"Hg).
Average wind speed in December
Slater, CO
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest months (with the lowest average wind speed) are January and December (6.2mph).
Average humidity in December
Slater, CO
- Average humidity in December: 86%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (50%).
Average rainfall in December
Slater, CO
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is January (2.44").
The driest month (with the least rainfall) is August (0.83").
Average rainfall days in December
Slater, CO
- Average rainfall days in December: 4.3 days
The months with the highest number of rainy days are May, July and August (11.3 days).
The month with the least rainy days is November (2.5 days).
Average snowfall in December
Slater, CO
- Average snowfall in December: 15.83"
The month with the highest snowfall is January (19.41").
The month with the least snowfall is August (0").
Average snowfall days in December
Slater, CO
- Average snowfall days in December: 19.8 days
The month with the highest number of snowfall days is February (20.3 days).
The month with the least snowfall days is August (0 days).
Average daylight in December /
Average sunshine in December
Slater, CO
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Slater, CO
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is February (8 days).
Average UV index in December
Slater, CO
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Slater, CO
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 15).
Average visibility in December
Slater, CO
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
