December weather forecast
Darlington, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Darlington, Pennsylvania, with an average temperature varying between 38.3°F (3.5°C) and 27.3°F (-2.6°C).

Temperature

The arrival of December corresponds with a temperature reduction, down from November's frosty 48.2°F (9°C) to an icy 38.3°F (3.5°C). Darlington experiences an average temperature drop to a subzero cold 27.3°F (-2.6°C) during December nights.

Humidity

The average relative humidity in December is 85%.

Rainfall

In Darlington, during December, the rain falls for 12.8 days and regularly aggregates up to 2.83" (72mm) of precipitation. In Darlington, during the entire year, the rain falls for 183.3 days and collects up to 35" (889mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Darlington. In Darlington, in December, during 14.5 snowfall days, 5.31" (135mm) of snow is typically accumulated. In Darlington, during the entire year, snow falls for 69.5 days and aggregates up to 26.93" (684mm) of snow.

Daylight

December has the shortest days of the year in Darlington, Pennsylvania, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:27 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:45 am and sunset at 5:04 pm EST.

Sunshine

In Darlington, the average sunshine in December is 3.3h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A typical high UV index of 1 in December suggests the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Boost your sun resistance with garments that are densely woven yet spacious. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

December temperatures vary between a high-temperature of 38.3°F (3.5°C) and a low-temperature of 27.3°F (-2.6°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What is the average humidity in December in Darlington?

In December, the average relative humidity is 85%.

How many days does it rain in December in Darlington?

In Darlington, during December, the rain falls for 12.8 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How much does it snow in December?

In Darlington, Pennsylvania, in December, during 14.5 snowfall days, 5.31" (135mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 18min.

When is the sunrise / sunset in December in Darlington?

In December, on the first day of the month, sunrise is at 7:27 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:04 pm EST.

How many hours of sunshine does Darlington have in December?

In Darlington, the average sunshine duration in December is 3.3h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Darlington, PA

Average temperature in December - Darlington, PA
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in December
Darlington, PA

Average pressure in December - Darlington, 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 (29.94"Hg).

Average wind speed in December
Darlington, PA

Average wind speed in December - Darlington, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in December
Darlington, PA

Average humidity in December - Darlington, PA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in December
Darlington, PA

Average rainfall in December - Darlington, PA
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days in December
Darlington, PA

Average rainfall days in December - Darlington, PA
  • Average rainfall days in December: 12.8 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (10 days).

Average snowfall in December
Darlington, PA

Average snowfall in December - Darlington, PA
  • Average snowfall in December: 5.31"

The month with the highest snowfall is February (6.81").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Darlington, PA

Average snowfall days in December - Darlington, PA
  • Average snowfall days in December: 14.5 days

The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Darlington, 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: 3h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in December
Darlington, PA

Average sunshine days in December - Darlington, PA
  • Average sunshine days in December: 8.6 days

The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in December
Darlington, PA

Average UV index in December - Darlington, PA
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Darlington, PA

Average cloud cover in December - Darlington, PA
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in December
Darlington, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Darlington, Pennsylvania, USA

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