December weather forecast
Lancaster, KS

Share

Weather in December

The first month of the winter, December, is also a wintry month in Lancaster, Kansas, with an average temperature varying between 39.4°F (4.1°C) and 25.9°F (-3.4°C).

Temperature

The arrival of December corresponds with a reduction in the average high-temperature, down from November's cool 51.6°F (10.9°C) to a wintry 39.4°F (4.1°C). Lancaster encounters a steady low-temperature average of 25.9°F (-3.4°C) throughout the month of December.

Humidity

The average relative humidity in December is 74%.

Rainfall

In Lancaster, in December, it is raining for 5.2 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 125.3 rainfall days, and 23.94" (608mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 3.9 days. Throughout December, 1.1" (28mm) of snow is accumulated. Throughout the year, there are 19.9 snowfall days, and 7.87" (200mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Lancaster, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:23 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:07 pm CST.

Sunshine

The average sunshine in December is 5.5h.

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 reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

An average high-temperature, in December, in Lancaster, is 39.4°F (4.1°C) and the average low-temperature is 25.9°F (-3.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 93.2°F (34°C).

What is the average humidity in December?

In December, the average relative humidity is 74%.

How many days does it rain in December?

In Lancaster, Kansas, in December, during 5.2 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 3.9 days. Throughout December, 1.1" (28mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

How many hours of daylight does Lancaster have in December?

In December, the average day length is 9h and 26min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:23 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:07 pm CST.

How many hours of sunshine does Lancaster have in December?

In Lancaster, the average sunshine duration in December is 5.5h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to the Sun's UV radiation.
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
Lancaster, KS

Average temperature in December - Lancaster, KS
  • Average high temperature in December: 39.4°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°F).

  • Average low temperature in December: 25.9°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in December
Lancaster, KS

Average pressure in December - Lancaster, 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 (29.88"Hg).

Average wind speed in December
Lancaster, KS

Average wind speed in December - Lancaster, KS
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in December
Lancaster, KS

Average humidity in December - Lancaster, KS
  • Average humidity in December: 74%

The months with the highest relative humidity are May and June (78%).
The months with the lowest relative humidity are October and November (69%).

Average rainfall in December
Lancaster, KS

Average rainfall in December - Lancaster, KS
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in December
Lancaster, KS

Average rainfall days in December - Lancaster, KS
  • Average rainfall days in December: 5.2 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.7 days).

Average snowfall in December
Lancaster, KS

Average snowfall in December - Lancaster, KS
  • Average snowfall in December: 1.1"

The month with the highest snowfall is February (2.56").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Lancaster, KS

Average snowfall days in December - Lancaster, KS
  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Lancaster, KS
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 5h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in December
Lancaster, KS

Average sunshine days in December - Lancaster, KS
  • Average sunshine days in December: 22.4 days

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (12.6 days).

Average UV index in December
Lancaster, KS

Average UV index in December - Lancaster, 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
Lancaster, KS

Average cloud cover in December - Lancaster, KS
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in December
Lancaster, KS

Average visibility in December - Lancaster, 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).

Lancaster, Kansas, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location