December weather forecastColby, KS
December
Weather in December
December symbolizes the commencement of winter in Colby, Kansas, as the month sports remarkably low temperatures and frequent snowfall. The temperature dips to an average 25°F (-3.9°C), marking December as the coldest month of the year. Alongside lower temperatures, snowfall, with an average of 0.98in, becomes a common sight. Despite the lowered UV index, the city experience an increase in cloud coverage during this time. As the city prepares to bid adieu to the year, December serves to encapsulate the year’s varied weather patterns.Temperature
The coldest time of the year is December, with temperatures averaging a high of 41.4°F (5.2°C) and a low of 25°F (-3.9°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 64%.Rainfall
In Colby, in December, it is raining for 2.4 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 93.4 rainfall days, and 13.39" (340mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Colby, during December, snow falls for 3.8 days and regularly aggregates up to 0.98" (25mm) of snow. In Colby, during the entire year, snow falls for 22.3 days and aggregates up to 7.36" (187mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Colby, sunrise is at 7:45 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:30 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 6.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Colby, KS
- Average high temperature in December: 41.4°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (41.4°F).
- Average low temperature in December: 25°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).
Average pressure in December
Colby, KS
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in December
Colby, KS
- Average wind speed in December: 11.1mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (10.2mph).
Average humidity in December
Colby, KS
- Average humidity in December: 64%
The months with the highest relative humidity are January and December (64%).
The month with the lowest relative humidity is July (51%).
Average rainfall in December
Colby, KS
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in December
Colby, KS
- Average rainfall days in December: 2.4 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (2.4 days).
Average snowfall in December
Colby, KS
- Average snowfall in December: 0.98"
The month with the highest snowfall is March (1.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Colby, KS
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Colby, KS
- Average daylight in December: 9h and 24min
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 24min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Colby, KS
- Average sunshine days in December: 25 days
The month with the most sunshine days is December (25 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in December
Colby, KS
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Colby, KS
- Average cloud cover in December: 29
The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 19).
Average visibility in December
Colby, KS
- 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).
