December weather forecastGlenwood, NC
December
Weather in December
The first month of the winter, December, is also a frosty month in Glenwood, North Carolina, with an average temperature fluctuating between 48.6°F (9.2°C) and 34°F (1.1°C).Temperature
As Glenwood enters December, the average high-temperature subtly lowers from the a refreshing 56.3°F (13.5°C) of November to a chilly 48.6°F (9.2°C). An average nighttime temperature of 34°F (1.1°C) is witnessed throughout December.Humidity
The months with the highest humidity are May and December, with an average relative humidity of 77%.Rainfall
In Glenwood, in December, during 11.8 rainfall days, 3.39" (86mm) of precipitation is typically accumulated. In Glenwood, North Carolina, during the entire year, the rain falls for 175.4 days and collects up to 31.3" (795mm) of precipitation.Snowfall
Months with snowfall in Glenwood are January through April, November and December. December is the month with the most snowfall in Glenwood. Snow falls for 2 days and accumulates 3.07" (78mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:37 am and sunset at 5:25 pm EST.
Sunshine
With an average of 5.5h of sunshine, December has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Glenwood. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: In December, an average UV index of 2 transforms into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glenwood, NC
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in December
Glenwood, 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 (29.99"Hg).
Average wind speed in December
Glenwood, NC
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Glenwood, NC
- Average humidity in December: 77%
The months with the highest relative humidity are May and December (77%).
The months with the lowest relative humidity are July and November (73%).
Average rainfall in December
Glenwood, NC
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is June (1.93").
Average rainfall days in December
Glenwood, NC
- Average rainfall days in December: 11.8 days
The months with the highest number of rainy days are May and July (19.3 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Glenwood, NC
- Average snowfall in December: 3.07"
The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Glenwood, NC
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glenwood, NC
- Average daylight in December: 9h and 48min
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 30min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Glenwood, NC
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Glenwood, NC
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Glenwood, NC
- Average cloud cover in December: 42
The months with the most cloud cover are March and December (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Glenwood, NC
- Average visibility in December: 5mi
The months with the highest visibility are February, June, July, August, October and November (6mi).
The months with the lowest visibility are January, March, April, May, September and December (5mi).





