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
In Harrellsville, the average high-temperature in December slightly decreases from a moderate 58.8°F (14.9°C) in November to a fresh 52.2°F (11.2°C). In the month of December, the temperature generally rests at an average low of 37.9°F (3.3°C).Humidity
In Harrellsville, the average relative humidity in December is 78%.Rainfall
In Harrellsville, in December, during 11.3 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. In Harrellsville, North Carolina, during the entire year, the rain falls for 161.4 days and collects up to 31.22" (793mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.43" (11mm) of snow. In Harrellsville, during the entire year, snow falls for 5.6 days and aggregates up to 3.43" (87mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:02 pm EST.
Sunshine
The average sunshine in December is 5.5h.UV index
The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 3 in December transforms into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. 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 are December temperatures?
What is the average humidity in December in Harrellsville?
How many days does it rain in December?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Harrellsville have in December?
When are sunrise and sunset in December in Harrellsville?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Harrellsville, NC
- Average high temperature in December: 52.2°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (47.3°F).
- Average low temperature in December: 37.9°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in December
Harrellsville, NC
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Harrellsville, NC
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Harrellsville, NC
- Average humidity in December: 78%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, February, April and November (75%).
Average rainfall in December
Harrellsville, NC
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is October (2.09").
Average rainfall days in December
Harrellsville, NC
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Harrellsville, NC
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Harrellsville, NC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (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
Harrellsville, NC
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in December
Harrellsville, NC
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Harrellsville, 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
Harrellsville, NC
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 32).
Average visibility in December
Harrellsville, NC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Harrellsville, North Carolina, USA
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