December weather forecast
Ruthfred Acres, PA

Share

Weather in December

December, the first month of the winter in Ruthfred Acres, is also a wintry month, with an average temperature ranging between max 40.1°F (4.5°C) and min 28.6°F (-1.9°C).

Temperature

As December arrives, Ruthfred Acres's weather displays a decrease in high-temperatures, transitioning from November's frosty 49.3°F (9.6°C) to a wintry 40.1°F (4.5°C). Ruthfred Acres experiences an average nighttime temperature of 28.6°F (-1.9°C) in the month of December.

Humidity

In December, the average relative humidity is 83%.

Rainfall

In Ruthfred Acres, in December, during 13.4 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Ruthfred Acres, Pennsylvania, during the entire year, the rain falls for 187.9 days and collects up to 35.59" (904mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Ruthfred Acres, in December, snow falls for 13 days, with typically accumulated 4.53" (115mm) of snow. Throughout the year, there are 60 snowfall days, and 23.31" (592mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:24 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:04 pm EST.

Sunshine

In December, the average sunshine is 3.4h.

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 radiation for ordinary individuals.
Note: A typical high UV index of 1 in December suggests the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in December?

The high-temperature during December is 40.1°F (4.5°C) and the low-temperature is 28.6°F (-1.9°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 83%.

How many days does it rain in December?

In Ruthfred Acres, during December, the rain falls for 13.4 days and regularly aggregates up to 3.03" (77mm) of precipitation.

How much does it snow in December?

In Ruthfred Acres, during December, snow falls for 13 days and regularly aggregates up to 4.53" (115mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Ruthfred Acres have in December?

In Ruthfred Acres, the average day length in December is 9h and 21min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:24 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 5:04 pm EST.

How long on average sun shines in December in Ruthfred Acres?

In December, the average sunshine duration is 3.4h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat 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
Ruthfred Acres, PA

Average temperature in December - Ruthfred Acres, PA
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in December: 28.6°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in December
Ruthfred Acres, PA

Average pressure in December - Ruthfred Acres, PA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Ruthfred Acres, PA

Average wind speed in December - Ruthfred Acres, PA
  • Average wind speed in December: 7.2mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in December
Ruthfred Acres, PA

Average humidity in December - Ruthfred Acres, PA
  • Average humidity in December: 83%

The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (75%).

Average rainfall in December
Ruthfred Acres, PA

Average rainfall in December - Ruthfred Acres, PA
  • Average rainfall in December: 3.03"

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

Average rainfall days in December
Ruthfred Acres, PA

Average rainfall days in December - Ruthfred Acres, PA
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (11.3 days).

Average snowfall in December
Ruthfred Acres, PA

Average snowfall in December - Ruthfred Acres, PA
  • Average snowfall in December: 4.53"

The month with the highest snowfall is January (5.83").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Ruthfred Acres, PA

Average snowfall days in December - Ruthfred Acres, PA
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Ruthfred Acres, PA

Average daylight in December / Average sunshine in December - Ruthfred Acres, 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 24min).

  • 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: 3h and 0min).

Average sunshine days in December
Ruthfred Acres, PA

Average sunshine days in December - Ruthfred Acres, PA
  • Average sunshine days in December: 9.9 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is January (7.7 days).

Average UV index in December
Ruthfred Acres, PA

Average UV index in December - Ruthfred Acres, PA
  • Average UV index in December: 1

The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Ruthfred Acres, PA

Average cloud cover in December - Ruthfred Acres, PA
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Ruthfred Acres, PA

Average visibility in December - Ruthfred Acres, PA
  • Average visibility in December: 5mi

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

Ruthfred Acres, Pennsylvania, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location