December weather forecast
Felton, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Felton, Pennsylvania, with an average temperature varying between 41.9°F (5.5°C) and 30.4°F (-0.9°C).

Temperature

Felton's transition into December involves a shift in temperature, receding from a cool 50.9°F (10.5°C) in November to an icy 41.9°F (5.5°C). Felton's nights in December cool down to an average low-temperature of 30.4°F (-0.9°C).

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Felton, in December, during 8.7 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 139.8 rainfall days, and 22.95" (583mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Felton, in December, during 3 snowfall days, 1.22" (31mm) of snow is typically accumulated. Throughout the year, there are 18.4 snowfall days, and 9.13" (232mm) 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 7:09 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:51 pm EST.

Sunshine

The average sunshine in December in Felton is 4.9h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Jul 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The high-temperature, in December, in Felton, records 41.9°F (5.5°C), while the low-temperature is 30.4°F (-0.9°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 86°F (30°C).

What is the average humidity in December?

In December, the average relative humidity is 79%.

How many days does it rain in December?

In Felton, in December, it is raining for 8.7 days, with typically 1.61" (41mm) of accumulated precipitation.

How many days does it snow in December in Felton?

In Felton, in December, during 3 snowfall days, 1.22" (31mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

How many hours of daylight does Felton have in December?

In December, the average day length is 9h and 24min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:51 pm EST.

How many hours of sunshine does Felton have in December?

In December, the average sunshine duration is 4.9h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Felton, the average daily maximum UV index in December 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
Felton, PA

Average temperature in December - Felton, PA
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in December: 30.4°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

Average pressure in December
Felton, PA

Average pressure in December - Felton, 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 (29.94"Hg).

Average wind speed in December
Felton, PA

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

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Felton, PA

Average humidity in December - Felton, PA
  • Average humidity in December: 79%

The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are March, April and November (76%).

Average rainfall in December
Felton, PA

Average rainfall in December - Felton, PA
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is February (1.26").

Average rainfall days in December
Felton, PA

Average rainfall days in December - Felton, PA
  • Average rainfall days in December: 8.7 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in December
Felton, PA

Average snowfall in December - Felton, PA
  • Average snowfall in December: 1.22"

The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Felton, PA

Average snowfall days in December - Felton, PA
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Felton, PA

Average sunshine days in December - Felton, PA
  • Average sunshine days in December: 18.6 days

The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in December
Felton, PA

Average UV index in December - Felton, PA
  • Average UV index in December: 2

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

Average cloud cover in December
Felton, PA

Average cloud cover in December - Felton, PA
  • Average cloud cover in December: 47

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Felton, PA

Average visibility in December - Felton, PA
  • Average visibility in December: 6mi

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

Felton, Pennsylvania, USA

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