December weather forecast
Trappe, PA

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Weather in December

The first month of the winter, December, is also an icy month in Trappe, Pennsylvania, with an average temperature varying between 30.2°F (-1°C) and 41.5°F (5.3°C).

Temperature

The onset of December coincides with a reduction in the average high-temperature, falling from a cool 50.7°F (10.4°C) in November to a cold 41.5°F (5.3°C). In December, the temperature in Trappe drops to an average of 30.2°F (-1°C) at night.

Humidity

In December, the average relative humidity in Trappe is 79%.

Rainfall

In Trappe, during December, the rain falls for 9.5 days and regularly aggregates up to 2.32" (59mm) of precipitation. In Trappe, during the entire year, the rain falls for 146.5 days and collects up to 27.87" (708mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Trappe, in December, snow falls for 2.7 days, with typically accumulated 1.89" (48mm) of snow. Throughout the year, there are 19.1 snowfall days, and 11.54" (293mm) of snow is accumulated.

Daylight

The month with the shortest days in Trappe, Pennsylvania, is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:46 pm EST.

Sunshine

In December, the average sunshine in Trappe is 4.9h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Trappe. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: In December, an average UV index of 2 transforms into the following instructions:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

Is December cold in Trappe?

In Trappe, in December, the average high-temperature is 41.5°F (5.3°C), and the average low-temperature is 30.2°F (-1°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in December in Trappe?

In December, the average relative humidity in Trappe, Pennsylvania, is 79%.

How much does it rain in Trappe in December?

In December, the rain falls for 9.5 days. Throughout December, 2.32" (59mm) of precipitation is accumulated.

How much does it snow in Trappe in December?

In Trappe, during December, snow falls for 2.7 days and regularly aggregates up to 1.89" (48mm) of snow.

What is the month with the shortest days in Trappe?

December has the shortest days of the year in Trappe, Pennsylvania, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Trappe?

The average day length in December in Trappe is 9h and 22min.

When is the sunrise / sunset in December in Trappe?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:46 pm EST.

How long on average sun shines in December in Trappe?

In December, the average sunshine duration in Trappe is 4.9h.

What are the months with the lowest UV index in Trappe?

The months with the lowest UV index in Trappe, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Trappe?

The average daily maximum UV index in December in Trappe is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Trappe, PA

Average temperature in December - Trappe, PA
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in December: 30.2°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 (23.2°F).

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Average pressure in December
Trappe, PA

Average pressure in December - Trappe, PA
  • Average pressure in December: 30.1"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).

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Average wind speed in December
Trappe, PA

Average wind speed in December - Trappe, PA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Trappe, PA

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

The months with the highest relative humidity are February and October (80%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in December
Trappe, PA

Average rainfall in December - Trappe, PA
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in December
Trappe, PA

Average rainfall days in December - Trappe, PA
  • Average rainfall days in December: 9.5 days

The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in December
Trappe, PA

Average snowfall in December - Trappe, PA
  • Average snowfall in December: 1.89"

The month with the highest snowfall is March (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Trappe, PA

Average snowfall days in December - Trappe, PA
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Trappe, 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).

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Average sunshine days in December
Trappe, PA

Average sunshine days in December - Trappe, PA
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (12.3 days).

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Average UV index in December
Trappe, PA

Average UV index in December - Trappe, 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, March, November and December (UV index 2).

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Average cloud cover in December
Trappe, PA

Average cloud cover in December - Trappe, PA
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in December
Trappe, PA

Average visibility in December - Trappe, 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).

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Trappe, Pennsylvania, USA

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