December weather forecast
Tylersville, PA

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Weather in December

December, the first month of the winter in Tylersville, is also a wintry month, with an average temperature fluctuating between 36.9°F (2.7°C) and 25.9°F (-3.4°C).

Temperature

With December's arrival, Tylersville sees a decrease in average high-temperatures, moving from a chilly 46.8°F (8.2°C) in November to a wintry 36.9°F (2.7°C). Tylersville usually reports an average low-temperature of 25.9°F (-3.4°C) during the month of December.

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 84%.

Rainfall

In December, the rain falls for 10.5 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. In Tylersville, during the entire year, the rain falls for 164.5 days and collects up to 33.11" (841mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Tylersville, in December, snow falls for 8.7 days, with typically accumulated 4.41" (112mm) of snow. Throughout the year, there are 49.1 snowfall days, and 25.55" (649mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:15 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:51 pm EST.

Sunshine

In Tylersville, the average sunshine in December is 3.2h.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 1 during December translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

How cold is December?

Tylersville in December has an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 25.9°F (-3.4°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What is the most humid month?

The months with the highest humidity are February and December, with an average relative humidity of 84%.

What is the average humidity in December?

In December, the average relative humidity is 84%.

How much does it rain in December?

In Tylersville, in December, it is raining for 10.5 days, with typically 2.48" (63mm) of accumulated precipitation.

How much does it snow in December?

In Tylersville, in December, snow falls for 8.7 days, with typically accumulated 4.41" (112mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

How many hours of daylight does Tylersville have in December?

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

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:15 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:51 pm EST.

How many hours of sunshine does Tylersville have in December?

In December, the average sunshine duration is 3.2h.

What is the month with the lowest UV index?

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

How high is the UV index in December in Tylersville?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to 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
Tylersville, PA

Average temperature in December - Tylersville, PA
  • Average high temperature in December: 36.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).

  • Average low temperature in December: 25.9°F

The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure in December
Tylersville, PA

Average pressure in December - Tylersville, 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
Tylersville, PA

Average wind speed in December - Tylersville, PA
  • Average wind speed in December: 6.9mph

The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
Tylersville, PA

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

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (76%).

Average rainfall in December
Tylersville, PA

Average rainfall in December - Tylersville, PA
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in December
Tylersville, PA

Average rainfall days in December - Tylersville, PA
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in December
Tylersville, PA

Average snowfall in December - Tylersville, PA
  • Average snowfall in December: 4.41"

The month with the highest snowfall is February (7.4").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Tylersville, PA

Average snowfall days in December - Tylersville, PA
  • Average snowfall days in December: 8.7 days

The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Tylersville, 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: 3h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
Tylersville, PA

Average sunshine days in December - Tylersville, PA
  • Average sunshine days in December: 15.3 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.3 days).

Average UV index in December
Tylersville, PA

Average UV index in December - Tylersville, 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
Tylersville, PA

Average cloud cover in December - Tylersville, PA
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in December
Tylersville, PA

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

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

Tylersville, Pennsylvania, USA

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