December weather forecast
Perkasie, PA

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Weather in December

The first month of the winter, December, is still a cold month in Perkasie, Pennsylvania, with an average temperature varying between 41.9°F (5.5°C) and 30.2°F (-1°C).

Temperature

In December, the average high-temperature marginally drops from a fresh 50.7°F (10.4°C) in November to a cold 41.9°F (5.5°C). Perkasie, during the nights of December, experiences an average temperature drop to a freezing cold 30.2°F (-1°C).

Humidity

The average relative humidity in December is 79%.

Rainfall

In Perkasie, during December, the rain falls for 10.4 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Perkasie, during the entire year, the rain falls for 157.1 days and collects up to 31.73" (806mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, it is snowing for 4.3 days. Throughout December, 2.48" (63mm) of snow is accumulated. Throughout the year, there are 26.7 snowfall days, and 14.37" (365mm) of snow is accumulated.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:44 pm EST.

Sunshine

The average sunshine in December is 4.9h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

How cold is it in December?

The average high-temperature and low-temperature during December are 41.9°F (5.5°C) and 30.2°F (-1°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is evaluated at 87.8°F (31°C).

What is the average humidity in December?

The average relative humidity in December is 79%.

How much does it rain in December?

In Perkasie, in December, during 10.4 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

How much does it snow in December?

In Perkasie, in December, snow falls for 4.3 days, with typically accumulated 2.48" (63mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Perkasie have in December?

In December, the average day length is 9h and 21min.

What time are sunrise and sunset in December in Perkasie?

On the first day of December, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:44 pm EST.

How long on average sun shines in December?

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

When is the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index reading 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
Perkasie, PA

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

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in December: 30.2°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average pressure in December
Perkasie, PA

Average pressure in December - Perkasie, 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
Perkasie, PA

Average wind speed in December - Perkasie, PA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Perkasie, PA

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

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (74%).

Average rainfall in December
Perkasie, PA

Average rainfall in December - Perkasie, PA
  • Average rainfall in December: 3.03"

The wettest months (with the highest rainfall) are July and August (3.07").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Perkasie, PA

Average rainfall days in December - Perkasie, PA
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in December
Perkasie, PA

Average snowfall in December - Perkasie, PA
  • Average snowfall in December: 2.48"

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Perkasie, PA

Average snowfall days in December - Perkasie, PA
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Perkasie, 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: 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
Perkasie, PA

Average sunshine days in December - Perkasie, PA
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (11.9 days).

Average UV index in December
Perkasie, PA

Average UV index in December - Perkasie, 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).

Average cloud cover in December
Perkasie, PA

Average cloud cover in December - Perkasie, PA
  • Average cloud cover in December: 49

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

Average visibility in December
Perkasie, PA

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

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

Perkasie, Pennsylvania, USA

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