December weather forecast
Shawville, PA

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Weather in December

December, the first month of the winter in Shawville, is also an icy month, with an average temperature ranging between max 36°F (2.2°C) and min 25.5°F (-3.6°C).

Temperature

December implies a gentle temperature shift, with average high-temperatures reducing from November's frosty 45.5°F (7.5°C) to an icy 36°F (2.2°C). In the month of December, Shawville witnesses a consistent average low-temperature of 25.5°F (-3.6°C).

Humidity

The average relative humidity in December is 86%.

Rainfall

In Shawville, in December, during 11.6 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Shawville, during the entire year, the rain falls for 165.7 days and collects up to 31.54" (801mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Shawville, in December, snow falls for 15.5 days, with typically accumulated 7.36" (187mm) of snow. In Shawville, during the entire year, snow falls for 76 days and aggregates up to 37.6" (955mm) of snow.

Daylight

The month with the shortest days in Shawville is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:45 pm. On the last day of December, in Shawville, sunrise is at 7:38 am and sunset at 4:55 pm EST.

Sunshine

In December, the average sunshine is 2.9h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 1 in December interprets into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoiding the Sun during its peak radiation time around midday is a healthy practice. During bright days, sunglasses that offer UVA and UVB defense are recommended. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

How cold is it in December?

The average high-temperature, in December, in Shawville, is 36°F (2.2°C), while the average low-temperature is 25.5°F (-3.6°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 86°F (30°C).

What is the average humidity in December?

In Shawville, the average relative humidity in December is 86%.

How many days does it rain in December?

In Shawville, Pennsylvania, in December, during 11.6 rainfall days, 2.8" (71mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Shawville, in December, snow falls for 15.5 days, with typically accumulated 7.36" (187mm) of snow.

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 Shawville have in December?

In Shawville, the average day length in December is 9h and 17min.

What time are sunrise and sunset in December in Shawville?

On the first day of December, sunrise is at 7:19 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:55 pm EST.

How many hours of sunshine does Shawville have in December?

In December, the average sunshine duration in Shawville is 2.9h.

When is the lowest UV index?

The month with the lowest UV index in Shawville 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 estimate of 2, and below, represents a low health threat from exposure to the Sun's 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
Shawville, PA

Average temperature in December - Shawville, PA
  • Average high temperature in December: 36°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in December: 25.5°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in December
Shawville, PA

Average pressure in December - Shawville, 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 (29.95"Hg).

Average wind speed in December
Shawville, PA

Average wind speed in December - Shawville, PA
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Shawville, PA

Average humidity in December - Shawville, PA
  • Average humidity in December: 86%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (77%).

Average rainfall in December
Shawville, PA

Average rainfall in December - Shawville, PA
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is August (1.97").

Average rainfall days in December
Shawville, PA

Average rainfall days in December - Shawville, PA
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (7.6 days).

Average snowfall in December
Shawville, PA

Average snowfall in December - Shawville, PA
  • Average snowfall in December: 7.36"

The month with the highest snowfall is January (9.25").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Shawville, PA

Average snowfall days in December - Shawville, PA
  • Average snowfall days in December: 15.5 days

The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Shawville, 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: 2h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in December
Shawville, PA

Average sunshine days in December - Shawville, PA
  • Average sunshine days in December: 8.8 days

The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in December
Shawville, PA

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

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

Average cloud cover in December
Shawville, PA

Average cloud cover in December - Shawville, PA
  • Average cloud cover in December: 71

The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in December
Shawville, PA

Average visibility in December - Shawville, PA
  • Average visibility in December: 4mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).

Shawville, Pennsylvania, USA

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