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 average high-temperature goes from a chilly 45.1°F (7.3°C) in November to an icy 35.4°F (1.9°C). During December, Spartansburg experiences a consistent low-temperature average of 26.2°F (-3.2°C).Humidity
In December, the average relative humidity is 88%.Rainfall
In Spartansburg, during December, the rain falls for 9.7 days and regularly aggregates up to 3.31" (84mm) of precipitation. Throughout the year, in Spartansburg, there are 176.8 rainfall days, and 37.36" (949mm) of precipitation is accumulated.Snowfall
Months with snowfall in Spartansburg are January through May, October through December. December is the month with the most snowfall in Spartansburg. Snow falls for 18.5 days and accumulates 12.01" (305mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December in Spartansburg, sunrise is at 7:27 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 4:58 pm EST.
Sunshine
In Spartansburg, the average sunshine in December is 2.2h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Spartansburg. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
How cold is it in Spartansburg in December?
What is the average humidity in December in Spartansburg?
How much does it rain in Spartansburg in December?
What is the snowiest month in Spartansburg?
How much does it snow in Spartansburg in December?
What is the month with the shortest days in Spartansburg?
How many hours of daylight does Spartansburg have in December?
When is the sunrise / sunset in December in Spartansburg?
How long on average sun shines in December in Spartansburg?
What are the months with the lowest UV index in Spartansburg?
What is the UV index intensity in December in Spartansburg?
Average temperature in December
Spartansburg, PA
- Average high temperature in December: 35.4°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Spartansburg, PA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Spartansburg, PA
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
Spartansburg, PA
- Average humidity in December: 88%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (80%).
Average rainfall in December
Spartansburg, PA
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (2.64").
Average rainfall days in December
Spartansburg, PA
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Spartansburg, PA
- Average snowfall in December: 12.01"
The month with the highest snowfall is December (12.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Spartansburg, PA
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Spartansburg, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 2h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in December
Spartansburg, PA
- Average sunshine days in December: 6.9 days
The month with the most sunshine days is October (10.9 days).
The month with the least sunshine days is January (5.4 days).
Average UV index in December
Spartansburg, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Spartansburg, PA
- Average cloud cover in December: 77
The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Spartansburg, PA
- Average visibility in December: 4mi
The month with the highest visibility is October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Spartansburg, Pennsylvania, USA
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