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 arrival of December correlates with a minor temperature reduction, down from November's refreshing 58.5°F (14.7°C) to a cool 51.4°F (10.8°C). During the month of December, Westport experiences a steady low-temperature average of 37.2°F (2.9°C).Humidity
December is the most humid month, with an average relative humidity of 76%.Rainfall
In Westport, during December, the rain falls for 11.3 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, there are 159.6 rainfall days, and 33.07" (840mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Westport. The month with the most snowfall is December, when snow falls for 0.8 days and typically aggregates up to 2.13" (54mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:15 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:21 pm EST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Westport have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Westport have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Westport, NC
- Average high temperature in December: 51.4°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in December: 37.2°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in December
Westport, NC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Westport, NC
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Westport, NC
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are June and July (70%).
Average rainfall in December
Westport, NC
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in December
Westport, NC
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Westport, NC
- Average snowfall in December: 2.13"
The month with the highest snowfall is December (2.13").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Westport, NC
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Westport, NC
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Westport, NC
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Westport, NC
- 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 and December (UV index 2).
Average cloud cover in December
Westport, NC
- Average cloud cover in December: 44
The months with the most cloud cover are February, March and December (Cloud cover 44).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Westport, NC
- 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).
Westport, North Carolina, USA
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