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 witnesses a gentle descent in average high-temperature, descending from November's refreshing 58.8°F (14.9°C) to a cool 51.8°F (11°C). Throughout the month of December, Harrisburg witnesses an average temperature of 37.8°F (3.2°C).Humidity
With an average relative humidity of 76%, December is the most humid month.Rainfall
In December, the rain falls for 11.1 days. Throughout December, 2.95" (75mm) of precipitation is accumulated. Throughout the year, there are 162.7 rainfall days, and 32.13" (816mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. The month with the most snowfall is December, when snow falls for 0.7 days and typically aggregates up to 1.85" (47mm) of snow.Daylight
December has the shortest days of the year in Harrisburg, North Carolina, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:20 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When does it snow the most?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Harrisburg have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Harrisburg have in December?
What is the UV index intensity in December?
Average temperature in December
Harrisburg, NC
- Average high temperature in December: 51.8°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (32.5°F).
Average pressure in December
Harrisburg, 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
Harrisburg, NC
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Harrisburg, 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
Harrisburg, NC
- Average rainfall in December: 2.95"
The wettest months (with the highest rainfall) are April and August (3.31").
The driest month (with the least rainfall) is October (2.05").
Average rainfall days in December
Harrisburg, NC
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Harrisburg, NC
- Average snowfall in December: 1.85"
The month with the highest snowfall is December (1.85").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Harrisburg, NC
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.3 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
Harrisburg, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Harrisburg, NC
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Harrisburg, NC
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Harrisburg, NC
- Average cloud cover in December: 43
The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Harrisburg, 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).
Harrisburg, North Carolina, USA
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