Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The transition into December indicates a reduction in the average high-temperature, down to a chilly 45.7°F (7.6°C) from November's fresh 55.2°F (12.9°C). The temperature in Lewistown, Kentucky, lowers to an average of 34°F (1.1°C) during December nights.Humidity
In Lewistown, the average relative humidity in December is 78%.Rainfall
In Lewistown, in December, it is raining for 12.5 days, with typically 3.11" (79mm) of accumulated precipitation. Throughout the year, there are 174.5 rainfall days, and 39.65" (1007mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Lewistown, Kentucky, during December, snow falls for 2.8 days and regularly aggregates up to 0.63" (16mm) of snow. In Lewistown, Kentucky, during the entire year, snow falls for 16.5 days and aggregates up to 6.57" (167mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:46 am and sunset at 4:34 pm. On the last day of December, sunrise is at 7:04 am and sunset at 4:44 pm CST.
Sunshine
The average sunshine in December is 4.8h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Lewistown. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
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. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Lewistown?
What is the average humidity in December in Lewistown?
How many days does it rain in December in Lewistown?
How much does it snow in Lewistown in December?
What is the month with the shortest days in Lewistown?
How many hours of daylight does Lewistown have in December?
When is the sunrise / sunset in December in Lewistown?
How many hours of sunshine does Lewistown have in December?
What is the month with the lowest UV index in Lewistown?
What is the UV index reading in December in Lewistown?
Average temperature in December
Lewistown, KY
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in December
Lewistown, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Lewistown, KY
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
Lewistown, KY
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Lewistown, KY
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Lewistown, KY
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Lewistown, KY
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Lewistown, KY
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (5.3 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
Lewistown, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Lewistown, KY
- Average sunshine days in December: 16.1 days
The months with the most sunshine days are October and November (18.3 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Lewistown, KY
- 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 and December (UV index 2).
Average cloud cover in December
Lewistown, KY
- Average cloud cover in December: 49
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Lewistown, KY
- 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).
Lewistown, Kentucky, USA
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