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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a mild 59.9°F (15.5°C) in November to a cool 53.2°F (11.8°C). In December, the nighttime temperature lowers to an average of 39°F (3.9°C).Humidity
The average relative humidity in December is 77%.Rainfall
In Speed, in December, it is raining for 11.6 days, with typically 2.72" (69mm) of accumulated precipitation. In Speed, during the entire year, the rain falls for 163.2 days and collects up to 32.95" (837mm) of precipitation.Snowfall
January through March and December are months with snowfall in Speed. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, there are 4.9 snowfall days, and 3.27" (83mm) 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 7:02 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:06 pm EST.
Sunshine
The months with the least sunshine in Speed are January and December, with an average of 5.5h of sunshine.UV index
The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during December leads to these advisories:
Guard yourself - An obligation to protect skin and eyes from harm exists. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Speed in December?
What is the average humidity in December?
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 Speed have in December?
When are sunrise and sunset in December in Speed?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the UV index intensity in December?
Average temperature in December
Speed, NC
- Average high temperature in December: 53.2°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in December: 39°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 (33.3°F).
Average pressure in December
Speed, 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
Speed, NC
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Speed, NC
- Average humidity in December: 77%
The months with the highest relative humidity are May, August and September (78%).
The months with the lowest relative humidity are January, March, April and November (74%).
Average rainfall in December
Speed, NC
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is August (3.5").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in December
Speed, NC
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Speed, NC
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Speed, NC
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.8 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
Speed, 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 month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Speed, NC
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in December
Speed, 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
Speed, NC
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Speed, 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).
Speed, North Carolina, USA
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