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 onset of December results in a small decrease in the average high-temperature, moderately receding from a comfortable 63.7°F (17.6°C) in November to a still refreshing 57.9°F (14.4°C). Delco observes an average nighttime low-temperature of 44.1°F (6.7°C) during the month of December.Humidity
In December, the average relative humidity is 77%.Rainfall
In December, the rain falls for 8.9 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 141.7 rainfall days, and 16.65" (423mm) of precipitation is accumulated.Snowfall
In Delco, snow does not fall in January, March through December.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:18 am and sunset at 5:13 pm EST.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during December leads to these advisories:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Stay sun-safe with clothing that is both closely woven and worn loosely. Keep in mind! Snow's reflective quality 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
What is the temperature in December?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December in Delco?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index in Delco?
How high is the UV index in December?
Average temperature in December
Delco, NC
- Average high temperature in December: 57.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in December: 44.1°F
The month with the highest average low temperature is July (74.5°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure in December
Delco, 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
Delco, NC
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Delco, NC
- Average humidity in December: 77%
The month with the highest relative humidity is August (78%).
The months with the lowest relative humidity are January, February and March (74%).
Average rainfall in December
Delco, NC
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is August (2.36").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Delco, NC
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in December
Delco, NC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Delco, NC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.4 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
Delco, 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 month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Delco, NC
- Average sunshine days in December: 20 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (9.1 days).
Average UV index in December
Delco, 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
Delco, NC
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in December
Delco, 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).
Delco, North Carolina, USA
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