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 arrives, Rocky Mount's weather displays a minor decrease in high-temperatures, transitioning from November's moderate 59.9°F (15.5°C) to a fresh 52.7°F (11.5°C). December nights are marked by an average low-temperature of 38.8°F (3.8°C).Humidity
In Rocky Mount, the average relative humidity in December is 76%.Rainfall
In Rocky Mount, in December, during 11.1 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. In Rocky Mount, during the entire year, the rain falls for 165.9 days and collects up to 33.23" (844mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Rocky Mount, in December, during 0.5 snowfall days, 0.47" (12mm) of snow is typically accumulated. Throughout the year, there are 5.1 snowfall days, and 3.11" (79mm) of snow is accumulated.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 7:03 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:07 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
In Rocky Mount, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Rocky Mount have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Rocky Mount, NC
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in December: 38.8°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in December
Rocky Mount, 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
Rocky Mount, NC
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Rocky Mount, NC
- Average humidity in December: 76%
The months with the highest relative humidity are May and September (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall in December
Rocky Mount, NC
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is January (2.32").
Average rainfall days in December
Rocky Mount, NC
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Rocky Mount, NC
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Rocky Mount, NC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (2 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
Rocky Mount, NC
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Rocky Mount, NC
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Rocky Mount, NC
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Rocky Mount, NC
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Rocky Mount, 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).
Rocky Mount, North Carolina, USA
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