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 arrival of December corresponds with a reduction in the average high-temperature, down from November's frosty 48.7°F (9.3°C) to an icy 39°F (3.9°C). Throughout December, Middleburg witnesses a nighttime temperature average of 28°F (-2.2°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In December, in Middleburg, the rain falls for 11.6 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. Throughout the year, in Middleburg, there are 162.8 rainfall days, and 28.46" (723mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Middleburg. In Middleburg, Pennsylvania, during December, snow falls for 6.7 days and regularly aggregates up to 2.17" (55mm) of snow. Throughout the year, there are 38.9 snowfall days, and 17.24" (438mm) of snow is accumulated.Daylight
December has the shortest days of the year in Middleburg, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:50 pm EST.
Sunshine
In Middleburg, the average sunshine in December is 4.4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum UV index of 1 in December translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
How cold does it get in Middleburg in December?
What is the average humidity in December in Middleburg?
How many days does it rain in December in Middleburg?
How many days does it snow in December in Middleburg?
What is the month with the shortest days in Middleburg?
What is the average length of the day in December in Middleburg?
When is the sunrise / sunset in December in Middleburg?
How many hours of sunshine does Middleburg have in December?
What is the month with the lowest UV index in Middleburg?
What is the UV index reading in December in Middleburg?
Average temperature in December
Middleburg, PA
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Middleburg, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Middleburg, PA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Middleburg, PA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in December
Middleburg, PA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in December
Middleburg, PA
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Middleburg, PA
- Average snowfall in December: 2.17"
The month with the highest snowfall is February (4.92").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Middleburg, PA
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Middleburg, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Middleburg, PA
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is November (16.8 days).
The months with the least sunshine days are February and May (11 days).
Average UV index in December
Middleburg, PA
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Middleburg, PA
- Average cloud cover in December: 54
The months with the most cloud cover are January, February and December (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Middleburg, PA
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July and November (6mi).
The months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).
Middleburg, Pennsylvania, USA
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