December weather forecast
Orson, PA

Share

Weather in December

December, the first month of the winter in Orson, is also a wintry month, with an average temperature fluctuating between 24.4°F (-4.2°C) and 34.7°F (1.5°C).

Temperature

December involves a decrease in temperature, down from a frosty 44.2°F (6.8°C) in November to a cold 34.7°F (1.5°C). Orson records a mean low-temperature of 24.4°F (-4.2°C) in December.

Humidity

The average relative humidity in December is 85%.

Rainfall

In Orson, during December, the rain falls for 10.7 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 152.2 rainfall days, and 23.94" (608mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Orson, in December, during 13.7 snowfall days, 5.43" (138mm) of snow is typically accumulated. Throughout the year, there are 71.7 snowfall days, and 26.81" (681mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of the month, sunrise is at 7:10 am and sunset at 4:31 pm. On the last day of December, in Orson, sunrise is at 7:29 am and sunset at 4:41 pm EST.

Sunshine

February and December, with an average of 3.2h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 1 in December translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.

Frequently asked questions

How cold is it in December?

Orson in December has an average high-temperature of 34.7°F (1.5°C) and an average low-temperature of 24.4°F (-4.2°C).

What is the average humidity in December?

In December, the average relative humidity is 85%.

How many days does it rain in December?

In December, the rain falls for 10.7 days. Throughout December, 1.73" (44mm) of precipitation is accumulated.

How much does it snow in December?

In December, it is snowing for 13.7 days. Throughout December, 5.43" (138mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

What is the average length of the day in December?

In Orson, the average day length in December is 9h and 12min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:10 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:41 pm EST.

What is the month with the least sunshine?

The months with the least sunshine are February and December, with an average of 3.2h of sunshine.

How many hours of sunshine does Orson have in December?

The average sunshine duration in December is 3.2h.

What is the month with the lowest UV index?

January and December, with an average maximum UV index of 1, are months 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 of 2, and less, symbolizes a low health threat 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
Orson, PA

Average temperature in December - Orson, PA
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Orson, PA

Average pressure in December - Orson, PA
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in December
Orson, PA

Average wind speed in December - Orson, PA
  • Average wind speed in December: 8.1mph

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Orson, PA

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

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).

Average rainfall in December
Orson, PA

Average rainfall in December - Orson, PA
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is January (1.54").

Average rainfall days in December
Orson, PA

Average rainfall days in December - Orson, PA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in December
Orson, PA

Average snowfall in December - Orson, PA
  • Average snowfall in December: 5.43"

The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Orson, PA

Average snowfall days in December - Orson, PA
  • Average snowfall days in December: 13.7 days

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Orson, PA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in December
Orson, PA

Average sunshine days in December - Orson, PA
  • Average sunshine days in December: 10.1 days

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (9.8 days).

Average UV index in December
Orson, PA

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Orson, PA

Average cloud cover in December - Orson, PA
  • Average cloud cover in December: 68

The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in December
Orson, PA

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

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

Orson, Pennsylvania, USA

Weather forecast for your location

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