December weather forecastSiloam, NC
December
Weather in December
December, the first month of the winter in Siloam, is still a chilly month, with temperature in the range of an average low of 35.1°F (1.7°C) and an average high of 49.8°F (9.9°C).Temperature
In December, the average high-temperature marginally decreases from a refreshing 56.8°F (13.8°C) in November to a chilly 49.8°F (9.9°C). December's nights observe an average temperature of 35.1°F (1.7°C).Humidity
The months with the highest humidity are May and December, with an average relative humidity of 76%.Rainfall
In Siloam, in December, it is raining for 11.4 days, with typically 3.07" (78mm) of accumulated precipitation. In Siloam, during the entire year, the rain falls for 160.3 days and collects up to 30.67" (779mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 1.1 days and typically aggregates up to 2.28" (58mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:15 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:17 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Siloam, NC
- Average high temperature in December: 49.8°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Siloam, 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 (29.98"Hg).
Average wind speed in December
Siloam, NC
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Siloam, NC
- Average humidity in December: 76%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
Siloam, NC
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Siloam, NC
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Siloam, NC
- Average snowfall in December: 2.28"
The month with the highest snowfall is December (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Siloam, NC
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (3.1 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
Siloam, NC
- Average daylight in December: 9h and 42min
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 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Siloam, NC
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in December
Siloam, NC
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Siloam, NC
- Average cloud cover in December: 40
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 28).
Average visibility in December
Siloam, 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).





