December weather forecastLewis, KS

December

Weather in December

December, the first month of the winter in Lewis, is also a frosty month, with an average temperature fluctuating between 27.7°F (-2.4°C) and 43.9°F (6.6°C).

Temperature

December, having an average high-temperature of 43.9°F (6.6°C) and an average low-temperature of 27.7°F (-2.4°C), is the coldest month.

Humidity

With an average relative humidity of 64%, December is the most humid month.

Rainfall

In Lewis, in December, it is raining for 2.6 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, in Lewis, there are 93.5 rainfall days, and 15.63" (397mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 2.3 days. Throughout December, 1.02" (26mm) of snow is accumulated. Throughout the year, in Lewis, there are 14.4 snowfall days, and 6.54" (166mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:34 am and sunset at 5:17 pm. On the last day of December, in Lewis, sunrise is at 7:52 am and sunset at 5:27 pm CST.

Sunshine

The months with the least sunshine are January and December, with an average of 6.4h of sunshine.

UV index

The months with the lowest UV index are January, 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 unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The lowest temperatures in Lewis are recorded in December, with averages reaching a high of 43.9°F (6.6°C) and a low of 27.7°F (-2.4°C).

The average high-temperature and low-temperature during December are 43.9°F (6.6°C) and 27.7°F (-2.4°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

With an average relative humidity of 64%, December is the most humid month in Lewis.

In December, the average relative humidity in Lewis is 64%.

In Lewis, in December, during 2.6 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

In December, it is snowing for 2.3 days. Throughout December, 1.02" (26mm) of snow is accumulated.

The month with the shortest days is December, with an average of 9h and 36min of daylight.

The average day length in December is 9h and 35min.

On the first day of December, sunrise is at 7:34 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 5:27 pm CST.

The months with the least sunshine are January and December, with an average of 6.4h of sunshine.

In December, the average sunshine duration is 6.4h.

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

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lewis, KS

  • Average high temperature in December: 43.9°F

The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is December (43.9°F).

  • Average low temperature in December: 27.7°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in December
Lewis, 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 (29.84"Hg).

Average wind speed in December
Lewis, KS

  • Average wind speed in December: 11.1mph

The windiest month (with the highest average wind speed) is April (13.2mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).

Average humidity in December
Lewis, KS

  • Average humidity in December: 64%

The month with the highest relative humidity is December (64%).
The month with the lowest relative humidity is July (55%).

Average rainfall in December
Lewis, KS

  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in December
Lewis, KS

  • Average rainfall days in December: 2.6 days

The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is December (2.6 days).

Average snowfall in December
Lewis, KS

  • Average snowfall in December: 1.02"

The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Lewis, KS

  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in December: 9h and 36min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 6h and 24min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).

Average sunshine days in December
Lewis, KS

  • Average sunshine days in December: 25.6 days

The month with the most sunshine days is December (25.6 days).
The month with the least sunshine days is May (16.3 days).

Average UV index in December
Lewis, KS

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in December
Lewis, KS

  • Average cloud cover in December: 28

The month with the most cloud cover is April (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 18).

Average visibility in December
Lewis, 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).