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 December, the meteorological conditions change slightly, with the average high-temperature moving from a moderate 60.4°F (15.8°C) in November to a cool 54°F (12.2°C). Erwin experiences an average temperature drop to a cold 39.2°F (4°C) during December nights.Humidity
The average relative humidity in December is 76%.Rainfall
In Erwin, in December, it is raining for 11 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, there are 165.1 rainfall days, and 32.91" (836mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Erwin, in December, during 0.3 snowfall days, 0.28" (7mm) of snow is typically accumulated. In Erwin, during the entire year, snow falls for 3.2 days and aggregates up to 1.93" (49mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:23 am and sunset at 5:12 pm EST.
Sunshine
January and December, with an average of 5.5h of sunshine, are months with the least sunshine.UV index
In December, the average daily maximum UV index 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 average individuals.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Undertake protective steps - Preventing sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. On your guard! Snow's reflection can almost 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 are December temperatures?
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 Erwin have in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December in Erwin?
How high is the UV index in December?
Average temperature in December
Erwin, NC
- Average high temperature in December: 54°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 (49.6°F).
- Average low temperature in December: 39.2°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in December
Erwin, NC
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Erwin, NC
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Erwin, NC
- Average humidity in December: 76%
The months with the highest relative humidity are May, August and September (77%).
The months with the lowest relative humidity are January, March and November (73%).
Average rainfall in December
Erwin, NC
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in December
Erwin, NC
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Erwin, NC
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Erwin, NC
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (1.4 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
Erwin, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Erwin, NC
- Average sunshine days in December: 19 days
The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Erwin, 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
Erwin, NC
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Erwin, 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).
Erwin, North Carolina, USA
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