December weather forecast
Leavenworth, KS

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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

The start of December comes with a reduction in the average high-temperature, receding from a fresh 52.2°F (11.2°C) in November to a cold 40.1°F (4.5°C). Leavenworth experiences a consistent average temperature of 26.6°F (-3°C) throughout the nights in December.

Humidity

In December, the average relative humidity is 74%.

Rainfall

In Leavenworth, Kansas, in December, it is raining for 5.8 days, with typically 1.06" (27mm) of accumulated precipitation. In Leavenworth, during the entire year, the rain falls for 130.5 days and collects up to 26.38" (670mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Leavenworth. In Leavenworth, in December, snow falls for 3.1 days, with typically accumulated 0.91" (23mm) of snow. Throughout the year, in Leavenworth, there are 17.5 snowfall days, and 7.09" (180mm) of snow is accumulated.

Daylight

The month with the shortest days in Leavenworth is December, with an average of 9h and 30min of daylight.
On the first day of December in Leavenworth, sunrise is at 7:21 am and sunset at 4:56 pm. On the last day of the month, 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

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Leavenworth. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Frequently asked questions

How cold is it in Leavenworth in December?

In Leavenworth, 40.1°F (4.5°C) is the average high-temperature and 26.6°F (-3°C) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 95°F (35°C).

What is the average humidity in December in Leavenworth?

In December, the average relative humidity in Leavenworth is 74%.

How much does it rain in Leavenworth in December?

In December, in Leavenworth, Kansas, the rain falls for 5.8 days. Throughout December, 1.06" (27mm) of precipitation is accumulated.

How many days does it snow in December in Leavenworth?

In December, in Leavenworth, it is snowing for 3.1 days. Throughout December, 0.91" (23mm) of snow is accumulated.

What is the month with the shortest days in Leavenworth?

December has the shortest days of the year in Leavenworth, Kansas, with an average of 9h and 30min of daylight.

How many hours of daylight does Leavenworth have in December?

The average day length in December in Leavenworth, Kansas, is 9h and 27min.

When is the sunrise / sunset in December in Leavenworth?

In December, on the first day of the month, sunrise is at 7:21 am and sunset at 4:56 pm. On the last day of the month, in Leavenworth, sunrise is at 7:39 am and sunset at 5:06 pm CST.

How long on average sun shines in December in Leavenworth?

In December, the average sunshine duration is 5.4h.

What is the month with the lowest UV index in Leavenworth?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Leavenworth, Kansas.

What is the UV index intensity in December in Leavenworth?

In Leavenworth, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Leavenworth, KS

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).

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Average pressure in December
Leavenworth, KS

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).

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Average wind speed in December
Leavenworth, KS

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).

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Average humidity in December
Leavenworth, KS

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%).

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Average rainfall in December
Leavenworth, KS

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").

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Average rainfall days in December
Leavenworth, KS

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).

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Average snowfall in December
Leavenworth, KS

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").

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Average snowfall days in December
Leavenworth, KS

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).

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Average daylight in December /
Average sunshine in December
Leavenworth, KS

Average daylight in December / Average sunshine in December - Leavenworth, KS
  • Average daylight in December: 9h and 3min

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 2min

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).

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Average sunshine days in December
Leavenworth, KS

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).

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Average UV index in December
Leavenworth, KS

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).

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Average cloud cover in December
Leavenworth, KS

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).

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Average visibility in December
Leavenworth, KS

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).

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Leavenworth, Kansas, USA

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