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
The shift from November to December coincides with a small decrease in the average high-temperature, down to a cool 52.2°F (11.2°C) from a moderate 58.6°F (14.8°C). An average low-temperature of 37°F (2.8°C) is common during the nights of December.Humidity
May and December, with an average relative humidity of 76%, are the most humid months.Rainfall
December is the month with the most rainfall. Rain falls for 11.5 days and accumulates 3.46" (88mm) of precipitation.Snowfall
Months with snowfall in Shelby are January through March, November and December. December is the month with the most snowfall. Snow falls for 0.7 days and accumulates 2.36" (60mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Shelby.On the first day of December, sunrise is at 7:17 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:24 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.4h 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 value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Shelby in December?
What is the most humid month in Shelby?
What is the average humidity in December in Shelby?
What is the wettest month in Shelby?
How much does it rain in Shelby in December?
What is the snowiest month in Shelby?
How many days does it snow in December in Shelby?
What is the month with the shortest days in Shelby?
What is the average length of the day in December in Shelby?
When are sunrise and sunset in December in Shelby?
What is the month with the least sunshine in Shelby?
How long on average sun shines in December in Shelby?
What is the month with the lowest UV index in Shelby?
What is the UV index intensity in December in Shelby?
Average temperature in December
Shelby, NC
- Average high temperature in December: 52.2°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in December: 37°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in December
Shelby, NC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Shelby, NC
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Shelby, 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 (70%).
Average rainfall in December
Shelby, NC
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is December (3.46").
The driest months (with the least rainfall) are September and October (2.13").
Average rainfall days in December
Shelby, NC
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in December
Shelby, NC
- Average snowfall in December: 2.36"
The month with the highest snowfall is December (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Shelby, NC
- Average snowfall days in December: 0.7 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
Shelby, 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 2min
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 24min).
Average sunshine days in December
Shelby, NC
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Shelby, 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
Shelby, NC
- Average cloud cover in December: 42
The months with the most cloud cover are February, March and December (Cloud cover 42).
The months with the least cloud cover are June and July (Cloud cover 29).
Average visibility in December
Shelby, NC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Shelby, North Carolina, USA
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