December weather forecastLeawood, KS
December
Weather in December
December sees Leawood immersed deep into the winter season with low temperatures, high relative humidity, and limited sunshine. The temperature remains rigid, with the range steadfast between 27.5°F (-2.5°C) and 40.8°F (4.9°C). The shortened daylight time of just 9.5 hours and a reduced number of sunshine hours contribute to the wintry setting. The snowfall of December, though not the highest, is inevitably associated with the holiday season. As the year draws to a close, Leawood residents wrap up warmly against the winter chill to embrace the New Year.Temperature
December weather is marked by a drop in the average high-temperature, falling from a fresh 52.7°F (11.5°C) in November to an icy 40.8°F (4.9°C). Leawood experiences an average low-temperature reading of 27.5°F (-2.5°C) throughout December.Humidity
The average relative humidity in December in Leawood is 73%.Rainfall
In Leawood, Kansas, in December, during 2.5 rainfall days, 0.31" (8mm) of precipitation is typically accumulated. Throughout the year, there are 62.3 rainfall days, and 4.76" (121mm) of precipitation is accumulated.Snowfall
Months with snowfall in Leawood are January through March, May, October through December. In Leawood, during December, snow falls for 1.9 days and regularly aggregates up to 0.08" (2mm) of snow. In Leawood, Kansas, during the entire year, snow falls for 10.9 days and aggregates up to 1.14" (29mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Leawood.On the first day of December in Leawood, sunrise is at 7:18 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:06 pm CST.
Sunshine
The average sunshine in December in Leawood is 5.4h.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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Leawood, KS
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in December
Leawood, KS
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Leawood, KS
- Average wind speed in December: 9.1mph
The windiest months (with the highest average wind speed) are March and April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Leawood, KS
- Average humidity in December: 73%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Leawood, KS
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is November (0.16").
Average rainfall days in December
Leawood, KS
- Average rainfall days in December: 2.5 days
The months with the highest number of rainy days are May and July (8.3 days).
The month with the least rainy days is January (2.2 days).
Average snowfall in December
Leawood, KS
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in December
Leawood, KS
- Average snowfall days in December: 1.9 days
The months with the highest number of snowfall days are January and February (2.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Leawood, 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: 5h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Leawood, KS
- Average sunshine days in December: 26.7 days
The month with the most sunshine days is January (27.3 days).
The month with the least sunshine days is May (19.7 days).
Average UV index in December
Leawood, KS
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Leawood, KS
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in December
Leawood, 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).





