December weather forecast
Richland Center, PA

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Weather in December

The first month of the winter, December, is still a cold month in Richland Center, Pennsylvania, with an average temperature ranging between min 29.8°F (-1.2°C) and max 41.5°F (5.3°C).

Temperature

The onset of December brings a small shift in high-temperatures, falling from a fresh 50.4°F (10.2°C) in November to a cold 41.5°F (5.3°C). In December, Richland Center's temperature tends to fall to an average low of 29.8°F (-1.2°C) during the night.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Richland Center, Pennsylvania, in December, during 10 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, there are 154.1 rainfall days, and 31.73" (806mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Richland Center are January through May, October through December. In Richland Center, during December, snow falls for 5 days and regularly aggregates up to 2.87" (73mm) of snow. In Richland Center, during the entire year, snow falls for 29.3 days and aggregates up to 16.57" (421mm) 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 7:05 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:44 pm EST.

Sunshine

The average sunshine in December is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the UV index of 2 transforms into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

The high-temperature, in December, in Richland Center, is 41.5°F (5.3°C), while the low-temperature averages to 29.8°F (-1.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is computed to be 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 80%.

How many days does it rain in December?

In December, the rain falls for 10 days. Throughout December, 2.91" (74mm) of precipitation is accumulated.

How much does it snow in December?

In Richland Center, in December, snow falls for 5 days, with typically accumulated 2.87" (73mm) of snow.

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.

How many hours of daylight does Richland Center have in December?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of the month, in Richland Center, sunrise is at 7:24 am and sunset at 4:44 pm EST.

How many hours of sunshine does Richland Center have in December?

In December, the average sunshine duration is 4.8h.

What are the months with the lowest UV index?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in December?

In December, the average daily maximum UV index in Richland Center is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe 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
Richland Center, PA

Average temperature in December - Richland Center, PA
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in December: 29.8°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in December
Richland Center, PA

Average pressure in December - Richland Center, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Richland Center, PA

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Richland Center, PA

Average humidity in December - Richland Center, PA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in December
Richland Center, PA

Average rainfall in December - Richland Center, PA
  • Average rainfall in December: 2.91"

The wettest months (with the highest rainfall) are May and July (3.07").
The driest month (with the least rainfall) is September (1.89").

Average rainfall days in December
Richland Center, PA

Average rainfall days in December - Richland Center, PA
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December
Richland Center, PA

Average snowfall in December - Richland Center, PA
  • Average snowfall in December: 2.87"

The month with the highest snowfall is March (4.72").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Richland Center, PA

Average snowfall days in December - Richland Center, PA
  • Average snowfall days in December: 5 days

The month with the highest number of snowfall days is February (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Richland Center, PA

Average daylight in December / Average sunshine in December - Richland Center, 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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Richland Center, PA

Average sunshine days in December - Richland Center, PA
  • Average sunshine days in December: 17 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in December
Richland Center, PA

Average UV index in December - Richland Center, PA
  • Average UV index in December: 2

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in December
Richland Center, PA

Average cloud cover in December - Richland Center, PA
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Richland Center, PA

Average visibility in December - Richland Center, PA
  • Average visibility in December: 5mi

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

Richland Center, Pennsylvania, USA

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