December weather forecast
Creighton, PA

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Weather in December

December, the first month of the winter in Creighton, is still a cold month, with an average temperature fluctuating between 38.7°F (3.7°C) and 27.5°F (-2.5°C).

Temperature

The beginning of December marks a decrease in the average high-temperature, transitioning from a chilly 48.4°F (9.1°C) in November to a cold 38.7°F (3.7°C). In Creighton, the average low-temperature during the month of December is a freezing cold 27.5°F (-2.5°C).

Humidity

In Creighton, the average relative humidity in December is 84%.

Rainfall

In December, the rain falls for 13.7 days. Throughout December, 2.99" (76mm) of precipitation is accumulated. In Creighton, during the entire year, the rain falls for 185.5 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Creighton, in December, during 13.5 snowfall days, 4.72" (120mm) of snow is typically accumulated. In Creighton, during the entire year, snow falls for 63.1 days and aggregates up to 25.12" (638mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:52 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:02 pm EST.

Sunshine

In December, the average sunshine is 3.1h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index, 1 during December, leads to the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In Creighton, 38.7°F (3.7°C) is the average high-temperature and 27.5°F (-2.5°C) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 84%.

How much does it rain in December?

In December, the rain falls for 13.7 days. Throughout December, 2.99" (76mm) of precipitation is accumulated.

How many days does it snow in December?

In Creighton, in December, during 13.5 snowfall days, 4.72" (120mm) of snow is typically accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Creighton have in December?

In Creighton, the average day length in December is 9h and 20min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:24 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:02 pm EST.

How many hours of sunshine does Creighton have in December?

The average sunshine duration in December is 3.1h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Creighton, PA

Average temperature in December - Creighton, PA
  • Average high temperature in December: 38.7°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 (32.7°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).

Average pressure in December
Creighton, PA

Average pressure in December - Creighton, PA
  • Average pressure in December: 30.11"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
Creighton, PA

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

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Creighton, PA

Average humidity in December - Creighton, PA
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).

Average rainfall in December
Creighton, PA

Average rainfall in December - Creighton, PA
  • Average rainfall in December: 2.99"

The wettest months (with the highest rainfall) are April and May (3.66").
The driest month (with the least rainfall) is November (2.2").

Average rainfall days in December
Creighton, PA

Average rainfall days in December - Creighton, PA
  • Average rainfall days in December: 13.7 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (11.1 days).

Average snowfall in December
Creighton, PA

Average snowfall in December - Creighton, PA
  • Average snowfall in December: 4.72"

The month with the highest snowfall is January (6.73").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Creighton, PA

Average snowfall days in December - Creighton, PA
  • Average snowfall days in December: 13.5 days

The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Creighton, PA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in December
Creighton, PA

Average sunshine days in December - Creighton, PA
  • Average sunshine days in December: 9 days

The month with the most sunshine days is November (14.8 days).
The month with the least sunshine days is January (7.3 days).

Average UV index in December
Creighton, PA

Average UV index in December - Creighton, 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
Creighton, PA

Average cloud cover in December - Creighton, PA
  • Average cloud cover in December: 67

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
Creighton, PA

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

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

Creighton, Pennsylvania, USA

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