December weather forecast
Forksville, PA

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Weather in December

The first month of the winter, December, is still a cold month in Forksville, Pennsylvania, with an average temperature ranging between min 25.5°F (-3.6°C) and max 34.7°F (1.5°C).

Temperature

The arrival of December indicates a decrease in the average high-temperature, moving from a frosty 44.8°F (7.1°C) in November to a cold 34.7°F (1.5°C). Forksville reports an average nighttime low-temperature of 25.5°F (-3.6°C) in December.

Humidity

The average relative humidity in December is 84%.

Rainfall

In Forksville, during December, the rain falls for 12.5 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Forksville, during the entire year, the rain falls for 171.9 days and collects up to 28.54" (725mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Forksville, during December, snow falls for 15.1 days and regularly aggregates up to 5.39" (137mm) of snow. Throughout the year, there are 74.9 snowfall days, and 30.08" (764mm) 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 7:13 am and sunset at 4:37 pm. On the last day of December, in Forksville, sunrise is at 7:32 am and sunset at 4:46 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 estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 1 in December translates into these instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

Forksville in December has an average high-temperature of 34.7°F (1.5°C) and an average low-temperature of 25.5°F (-3.6°C).

What is the average humidity in December?

In December, the average relative humidity is 84%.

How much does it rain in December?

In Forksville, in December, it is raining for 12.5 days, with typically 2.09" (53mm) of accumulated precipitation.

How much does it snow in December?

In Forksville, during December, snow falls for 15.1 days and regularly aggregates up to 5.39" (137mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 12min of daylight.

How many hours of daylight does Forksville have in December?

The average day length in December is 9h and 14min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:46 pm EST.

What is the month with the least sunshine?

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

How many hours of sunshine does Forksville have in December?

In December, the average sunshine duration is 3.2h.

What are the months with the lowest UV index?

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Forksville.

What is the UV index reading in December?

In December, the average daily maximum UV index in Forksville is 1. A UV Index value of 2, and less, symbolizes a low health risk 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
Forksville, PA

Average temperature in December - Forksville, 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 (28.8°F).

  • Average low temperature in December: 25.5°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 (17.4°F).

Average pressure in December
Forksville, PA

Average pressure in December - Forksville, 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
Forksville, PA

Average wind speed in December - Forksville, PA
  • Average wind speed in December: 8.2mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Forksville, PA

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

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is July (78%).

Average rainfall in December
Forksville, PA

Average rainfall in December - Forksville, PA
  • Average rainfall in December: 2.09"

The wettest months (with the highest rainfall) are April and July (2.91").
The driest months (with the least rainfall) are January and November (1.77").

Average rainfall days in December
Forksville, PA

Average rainfall days in December - Forksville, PA
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.6 days).

Average snowfall in December
Forksville, PA

Average snowfall in December - Forksville, PA
  • Average snowfall in December: 5.39"

The month with the highest snowfall is February (7.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Forksville, PA

Average snowfall days in December - Forksville, PA
  • Average snowfall days in December: 15.1 days

The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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 12min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in December
Forksville, PA

Average sunshine days in December - Forksville, PA
  • Average sunshine days in December: 8.9 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is February (7.7 days).

Average UV index in December
Forksville, PA

Average UV index in December - Forksville, 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
Forksville, PA

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

The months with the most cloud cover are January, February and December (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in December
Forksville, PA

Average visibility in December - Forksville, 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).

Forksville, Pennsylvania, USA

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