December weather forecast
Leavenworth, KS

Weather in December

The first month of the winter, December, is still a cold month in Leavenworth, Kansas, with an average temperature fluctuating between 26.6°F (-3°C) and 40.1°F (4.5°C).

Temperature

In December, the average high-temperature drops from a fresh 52.2°F (11.2°C) in November to a wintry 40.1°F (4.5°C). In December, in Leavenworth, Kansas, the average low-temperature is 26.6°F (-3°C).

Humidity

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

Rainfall

In December, the rain falls for 5.8 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. Throughout the year, in Leavenworth, there are 130.5 rainfall days, and 26.38" (670mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Leavenworth 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

December has the shortest days of the year, with an average of 9h and 27min of daylight.
On the first day of the month, sunrise is at 7:20 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:39 am and sunset at 5:06 pm CST.

Sunshine

The average sunshine in December in Leavenworth 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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

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, 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 Leavenworth, during December, snow falls for 3.1 days and regularly aggregates up to 0.91" (23mm) of snow.

What is the month with the shortest days in Leavenworth?

December has the shortest days of the year in Leavenworth, with an average of 9h and 27min of daylight.

What is the average length of the day in December in Leavenworth?

In December, the average day length is 9h and 27min.

When are sunrise and sunset in December in Leavenworth?

In December, on the first day of the month, sunrise is at 7:20 am and sunset at 4:57 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?

The average sunshine duration in December in Leavenworth, Kansas, 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 December, the average daily maximum UV index in Leavenworth is 2. A UV Index value 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 27min

The month with the longest days is June (Average daylight: 14h and 53min).
The month with the shortest days is December (Average daylight: 9h and 27min).

  • 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).

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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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