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
The onset of December comes with a shift in the average high-temperature, falling from a cool 54°F (12.2°C) in November to an icy 41.4°F (5.2°C). During the month of December, Allen's nighttime temperature lowers to an average of 27.5°F (-2.5°C).Humidity
The average relative humidity in December is 70%.Rainfall
In Allen, during December, the rain falls for 3.9 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, in Allen, there are 111.2 rainfall days, and 18.62" (473mm) of precipitation is accumulated.Snowfall
Months with snowfall in Allen are January through April, October through December. In Allen, Kansas, in December, during 2.6 snowfall days, 0.79" (20mm) of snow is typically accumulated. Throughout the year, there are 13.9 snowfall days, and 5.43" (138mm) 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 7:24 am and sunset at 5:03 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:13 pm CST.
Sunshine
January and December, with an average of 5.7h of sunshine, are months with the least sunshine in Allen.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To guard against the harmful effects of the Sun, minimize exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and 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
How cold does it get in Allen in December?
What is the average humidity in December in Allen?
How much does it rain in Allen in December?
How many days does it snow in December in Allen?
What is the month with the shortest days in Allen?
What is the average length of the day in December in Allen?
When is the sunrise / sunset in December in Allen?
What is the month with the least sunshine in Allen?
How many hours of sunshine does Allen have in December?
What is the month with the lowest UV index in Allen?
What is the UV index intensity in December in Allen?
Average temperature in December
Allen, KS
- Average high temperature in December: 41.4°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in December
Allen, KS
- 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 June (29.86"Hg).
Average wind speed in December
Allen, KS
- Average wind speed in December: 10.7mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in December
Allen, KS
- Average humidity in December: 70%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is October (64%).
Average rainfall in December
Allen, KS
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Allen, KS
- Average rainfall days in December: 3.9 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in December
Allen, KS
- Average snowfall in December: 0.79"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Allen, KS
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Allen, KS
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 42min).
Average sunshine days in December
Allen, KS
- Average sunshine days in December: 24 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in December
Allen, KS
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Allen, KS
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 23).
Average visibility in December
Allen, 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).
Allen, Kansas, USA
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