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
As December begins, there is a minor decrease in the average high-temperature, softly falling from a comfortable 63.9°F (17.7°C) in November to a mild 58.1°F (14.5°C). Throughout December, Castle Hayne experiences a low-temperature average of 45.5°F (7.5°C).Humidity
The months with the highest humidity in Castle Hayne, North Carolina, are August, September and December, with an average relative humidity of 77%.Rainfall
In Castle Hayne, in December, during 11.6 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, in Castle Hayne, there are 182.5 rainfall days, and 41.42" (1052mm) of precipitation is accumulated.Snowfall
In Castle Hayne, snow does not fall in April through December.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:00 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:12 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the usual temperature for Castle Hayne in December?
What are the most humid months in Castle Hayne?
What is the average humidity in December in Castle Hayne?
How much does it rain in Castle Hayne in December?
When it does not snow in Castle Hayne?
Does it snow in Castle Hayne in December?
What is the month with the shortest days in Castle Hayne?
How many hours of daylight does Castle Hayne have in December?
What time are sunrise and sunset in December in Castle Hayne?
What is the month with the least sunshine in Castle Hayne?
How long on average sun shines in December in Castle Hayne?
What is the month with the lowest UV index in Castle Hayne?
What is the UV index reading in December in Castle Hayne?
Average temperature in December
Castle Hayne, NC
- Average high temperature in December: 58.1°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in December: 45.5°F
The month with the highest average low temperature is July (75.4°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in December
Castle Hayne, NC
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Castle Hayne, NC
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in December
Castle Hayne, NC
- Average humidity in December: 77%
The months with the highest relative humidity are August, September and December (77%).
The months with the lowest relative humidity are January and March (73%).
Average rainfall in December
Castle Hayne, NC
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is August (5.59").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in December
Castle Hayne, NC
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in December
Castle Hayne, NC
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Castle Hayne, NC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Castle Hayne, NC
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Castle Hayne, NC
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in December
Castle Hayne, NC
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Castle Hayne, NC
- Average cloud cover in December: 40
The months with the most cloud cover are February and December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in December
Castle Hayne, 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).
Castle Hayne, North Carolina, USA
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