December weather forecast
Middleburg, PA

Weather in December

The first month of the winter, December, is still a cold month in Middleburg, Pennsylvania, with average temperature ranging between max 39°F (3.9°C) and min 28°F (-2.2°C).

Temperature

In Middleburg, the average high-temperature in December decreases, from a frosty 48.7°F (9.3°C) in November, to a wintry 39°F (3.9°C). The average low-temperature, in Middleburg, is 28°F (-2.2°C).

Humidity

In December, the average relative humidity in Middleburg is 80%.

Rainfall

In Middleburg, Pennsylvania, during December, the rain falls for 11.6 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Middleburg, during the entire year, the rain falls for 162.8 days and collects up to 28.46" (723mm) of precipitation.

Snowfall

Months with snowfall in Middleburg are January through May, October through December. In December, it is snowing for 6.7 days. Throughout December, 2.17" (55mm) of snow is accumulated. 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 9.3h of daylight.

Sunshine

In December, the average sunshine is 4.4h.

UV index

The month with the lowest UV index in Middleburg is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 1 transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the average humidity in December in Middleburg?

In Middleburg, Pennsylvania, the average relative humidity in December is 80%.

How many days does it rain in December in Middleburg?

In Middleburg, Pennsylvania, in December, it is raining for 11.6 days, with typically 2.01" (51mm) of accumulated precipitation.

How many days does it snow in December in Middleburg?

In Middleburg, in December, snow falls for 6.7 days, with typically accumulated 2.17" (55mm) of snow.

What is the month with the shortest days in Middleburg?

The month with the shortest days is December, with an average of 9.3h of daylight.

How many hours of daylight does Middleburg have in December?

The average length of the day in December is 9.3h.

How long on average sun shines in December in Middleburg?

The average sunshine in December is 4.4h.

When is the lowest UV index in Middleburg?

December is the month with the lowest UV index, with an average maximum UV index of 1.

What is the UV index intensity in December in Middleburg?

In Middleburg, Pennsylvania, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in December
Middleburg, PA

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).

[Resources]

Average pressure in December
Middleburg, PA

Average pressure in December - Middleburg, PA
  • Average pressure in December: 30.1"

The month with the highest atmospheric pressure is November (30.13").
The month with the lowest atmospheric pressure is June (29.95").

[Resources]

Average wind speed in December
Middleburg, PA

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).

[Resources]

Average humidity in December
Middleburg, PA

Average humidity in December - Middleburg, PA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (82%).
Months with the lowest relative humidity are March and April (76%).

[Resources]

Average rainfall in December
Middleburg, PA

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").

[Resources]

Average rainfall days in December
Middleburg, PA

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).

[Resources]

Average snowfall in December
Middleburg, PA

Average snowfall in December - Middleburg, PA
  • Average snowfall in December: 2.17"

The month with the highest snowfall is February (4.92").
Months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in December
Middleburg, PA

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).
Months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Middleburg, PA

Average daylight in December / Average sunshine in December - Middleburg, PA
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 4.4h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.2h).

[Resources]

Average sunshine days in December
Middleburg, PA

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).
Months with the least sunshine days are February and May (11 days).

[Resources]

Average UV index in December
Middleburg, PA

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).

[Resources]

Average cloud cover in December
Middleburg, PA

Average cloud cover in December - Middleburg, PA
  • Average cloud cover in December: 54

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).

[Resources]

Average visibility in December
Middleburg, PA

Average visibility in December - Middleburg, PA
  • Average visibility in December: 5mi

Months with the highest visibility are April, June, July and November (6mi).
Months with the lowest visibility are January, February, March, May, August, September, October and December (5mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location