December weather forecast
Flinton, PA

Share

Weather in December

December, the first month of the winter in Flinton, is also a wintry month, with an average temperature fluctuating between 26.6°F (-3°C) and 36.5°F (2.5°C).

Temperature

A change in temperatures is noted as November gives way to December, with average highs reducing from a frosty 46.2°F (7.9°C) to an icy 36.5°F (2.5°C). Throughout December, Flinton experiences a low-temperature average of 26.6°F (-3°C).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Flinton, in December, during 10.6 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Flinton, during the entire year, the rain falls for 173.2 days and collects up to 32.44" (824mm) of precipitation.

Snowfall

Months with snowfall in Flinton, Pennsylvania, are January through May, October through December. In December, it is snowing for 12.7 days. Throughout December, 5.98" (152mm) of snow is accumulated. In Flinton, during the entire year, snow falls for 65 days and aggregates up to 32.28" (820mm) of snow.

Daylight

The month with the shortest days 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 4:47 pm. On the last day of December, sunrise is at 7:37 am and sunset at 4:56 pm EST.

Sunshine

The average sunshine in December is 3.4h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.

Frequently asked questions

How cold is December in Flinton?

In December, the average high-temperature and low-temperature are 36.5°F (2.5°C) and 26.6°F (-3°C) respectively.

What is the average humidity in December?

In December, the average relative humidity is 85%.

How many days does it rain in December in Flinton?

In Flinton, during December, the rain falls for 10.6 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How many days does it snow in December?

In Flinton, Pennsylvania, in December, during 12.7 snowfall days, 5.98" (152mm) of snow is typically accumulated.

What is the month with the shortest days in Flinton?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 19min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:19 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:56 pm EST.

How long on average sun shines in December?

In Flinton, the average sunshine duration in December is 3.4h.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 1.

What is the UV index reading in December?

In December, the average daily maximum UV index 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
Flinton, PA

Average temperature in December - Flinton, PA
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in December: 26.6°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in December
Flinton, PA

Average pressure in December - Flinton, 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
Flinton, PA

Average wind speed in December - Flinton, PA
  • Average wind speed in December: 9.2mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Flinton, PA

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

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).

Average rainfall in December
Flinton, PA

Average rainfall in December - Flinton, PA
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in December
Flinton, PA

Average rainfall days in December - Flinton, PA
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in December
Flinton, PA

Average snowfall in December - Flinton, PA
  • Average snowfall in December: 5.98"

The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Flinton, PA

Average snowfall days in December - Flinton, PA
  • Average snowfall days in December: 12.7 days

The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Flinton, 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: 3h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in December
Flinton, PA

Average sunshine days in December - Flinton, PA
  • Average sunshine days in December: 10.2 days

The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.8 days).

Average UV index in December
Flinton, PA

Average UV index in December - Flinton, 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
Flinton, PA

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

The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 39).

Average visibility in December
Flinton, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Flinton, Pennsylvania, USA

Weather forecast for your location

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