December weather forecastLeavenworth, KS
December
Weather in December
December in Leavenworth marks full swing into winter, with the city observing its first substantial snowfalls of the season. The precipitation transition from rain to snow is notable, complementing the holiday season's festivities. Clear skies observed in the previous months start to cloud over, resulting in more overcast days. Daylight becomes scarce with the shortest days averaging to about 9.5 hours. Regardless of the decrease in sunlight duration, December enjoys a good number of sunshine days, adding a bright contrast to the chilly winter landscape.Temperature
Leavenworth's transition into December involves a shift in temperature, receding from a fresh 52.2°F (11.2°C) in November to an icy 40.1°F (4.5°C). Leavenworth's average low-temperature is measured at a subzero cold 26.6°F (-3°C) during December.Humidity
In Leavenworth, the average relative humidity in December is 74%.Rainfall
In Leavenworth, in December, during 5.8 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Leavenworth, during the entire year, the rain falls for 130.5 days and collects up to 26.38" (670mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 3.1 days. Throughout December, 0.91" (23mm) of snow is accumulated. In Leavenworth, during the entire year, snow falls for 17.5 days and aggregates up to 7.09" (180mm) 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 7:21 am and sunset at 4:56 pm. On the last day of December, sunrise is at 7:39 am and sunset at 5:06 pm CST.
Sunshine
In Leavenworth, the average sunshine in December is 5.4h.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 exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Leavenworth, KS
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Leavenworth, 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 (29.88"Hg).
Average wind speed in December
Leavenworth, KS
- Average wind speed in December: 9.3mph
The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Leavenworth, KS
- Average humidity in December: 74%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Leavenworth, KS
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in December
Leavenworth, KS
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Leavenworth, KS
- Average snowfall in December: 0.91"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Leavenworth, KS
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Leavenworth, 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 12min).
Average sunshine days in December
Leavenworth, KS
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Leavenworth, 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
Leavenworth, KS
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Leavenworth, 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).
