December weather forecastEllis, KS
December
Weather in December
December brings in the full force of winter to Ellis, marking the year's end with colder temperatures. The mercury dips between 26.4°F (-3.1°C) and 42.1°F (5.6°C), making December the coldest month, dethroning January. The town dresses itself in a white blanket, with snowfall and fewer daylight hours painting a true winter wonderland. Despite the cold weather, Ellis always finds a way to end the year on a warm note, as the spirit of the holiday season fills the town with joy and cheer.Temperature
December's arrival comes with a decrease in the average high-temperature, moving from a fresh 54.7°F (12.6°C) in November to an icy 42.1°F (5.6°C). Nighttime temperature lowers to an average of 26.4°F (-3.1°C) in December.Humidity
In Ellis, the average relative humidity in December is 65%.Rainfall
In December, the rain falls for 3 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 96.7 rainfall days, and 15.98" (406mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 3.1 days. Throughout December, 2.05" (52mm) of snow is accumulated. In Ellis, during the entire year, snow falls for 19 days and aggregates up to 8.9" (226mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:38 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:56 am and sunset at 5:26 pm CST.
Sunshine
January and December, with an average of 6.2h of sunshine, are months with the least 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 unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 during December translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ellis, KS
- Average high temperature in December: 42.1°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (41.9°F).
- Average low temperature in December: 26.4°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in December
Ellis, KS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Ellis, KS
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is April (12.7mph).
The calmest month (with the lowest average wind speed) is August (9.8mph).
Average humidity in December
Ellis, KS
- Average humidity in December: 65%
The month with the highest relative humidity is January (66%).
The month with the lowest relative humidity is July (54%).
Average rainfall in December
Ellis, KS
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in December
Ellis, KS
- Average rainfall days in December: 3 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is December (3 days).
Average snowfall in December
Ellis, KS
- Average snowfall in December: 2.05"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ellis, KS
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ellis, KS
- Average daylight in December: 9h and 30min
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 12min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in December
Ellis, KS
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is December (24.4 days).
The month with the least sunshine days is May (15.3 days).
Average UV index in December
Ellis, 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
Ellis, KS
- Average cloud cover in December: 31
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is June (Cloud cover 19).
Average visibility in December
Ellis, 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).





