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
December is characterized by a reduction in the average high-temperature, from a fresh 52.9°F (11.6°C) in November to a frosty 43.7°F (6.5°C). During December, Westport records a consistent average nighttime temperature of 31.3°F (-0.4°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In Westport, in December, it is raining for 13.3 days, with typically 3.03" (77mm) of accumulated precipitation. Throughout the year, in Westport, there are 170.6 rainfall days, and 35.59" (904mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, in Westport, it is snowing for 7.5 days. Throughout December, 2.09" (53mm) of snow is accumulated. In Westport, during the entire year, snow falls for 33.6 days and aggregates up to 10.2" (259mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Westport.On the first day of the month, sunrise is at 7:40 am and sunset at 5:21 pm. On the last day of December, sunrise is at 7:59 am and sunset at 5:31 pm EST.
Sunshine
In December, the average sunshine is 4.3h.UV index
The months with the lowest UV index in Westport are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
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. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Westport in December?
What is the average humidity in December in Westport?
How many days does it rain in December in Westport?
How many days does it snow in December in Westport?
What is the month with the shortest days in Westport?
What is the average length of the day in December in Westport?
When is the sunrise / sunset in December in Westport?
How long on average sun shines in December in Westport?
What is the month with the lowest UV index in Westport?
How high is the UV index in December in Westport?
Average temperature in December
Westport, KY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Westport, KY
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Westport, KY
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Westport, KY
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August and October (74%).
Average rainfall in December
Westport, KY
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is April (3.94").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Westport, KY
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (11 days).
Average snowfall in December
Westport, KY
- Average snowfall in December: 2.09"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Westport, KY
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (9.4 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
Westport, KY
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Westport, KY
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Westport, KY
- Average UV index in December: 2
The months with the highest UV index are 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
Westport, KY
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Westport, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July and December (5mi).
Westport, Kentucky, USA
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