December weather forecast
Dresher, PA

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Weather in December

December, the first month of the winter in Dresher, is also a frosty month, with an average temperature varying between 42.8°F (6°C) and 31.6°F (-0.2°C).

Temperature

The beginning of December marks a decrease in the average high-temperature, transitioning from a fresh 52.2°F (11.2°C) in November to a frosty 42.8°F (6°C). December nights are marked by an average temperature drop to a freezing cold 31.6°F (-0.2°C).

Humidity

The months with the highest humidity are February, October and December, with an average relative humidity of 78%.

Rainfall

In December, the rain falls for 7.5 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. In Dresher, during the entire year, the rain falls for 122.4 days and collects up to 12.68" (322mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Dresher, in December, snow falls for 2.5 days, with typically accumulated 0.71" (18mm) of snow. Throughout the year, there are 16.3 snowfall days, and 4.72" (120mm) of snow is accumulated.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of December in Dresher, sunrise is at 7:04 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:45 pm EST.

Sunshine

In Dresher, the average sunshine in December is 5h.

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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In December, in Dresher, the average high-temperature is 42.8°F (6°C), and the average low-temperature is 31.6°F (-0.2°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 89.6°F (32°C).

What are the most humid months?

The months with the highest humidity in Dresher, Pennsylvania, are February, October and December, with an average relative humidity of 78%.

What is the average humidity in December?

In December, the average relative humidity is 78%.

How much does it rain in December?

In Dresher, in December, it is raining for 7.5 days, with typically 1.14" (29mm) of accumulated precipitation.

How many days does it snow in December?

In Dresher, in December, during 2.5 snowfall days, 0.71" (18mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Dresher have in December?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:45 pm EST.

How many hours of sunshine does Dresher have in December?

In December, the average sunshine duration is 5h.

When is the lowest UV index?

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

What is the UV index reading in December?

In Dresher, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Dresher, PA

Average temperature in December - Dresher, PA
  • Average high temperature in December: 42.8°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in December: 31.6°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in December
Dresher, PA

Average pressure in December - Dresher, 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
Dresher, PA

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

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in December
Dresher, PA

Average humidity in December - Dresher, PA
  • Average humidity in December: 78%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

Average rainfall in December
Dresher, PA

Average rainfall in December - Dresher, PA
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").

Average rainfall days in December
Dresher, PA

Average rainfall days in December - Dresher, PA
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).

Average snowfall in December
Dresher, PA

Average snowfall in December - Dresher, PA
  • Average snowfall in December: 0.71"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Dresher, PA

Average snowfall days in December - Dresher, PA
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Dresher, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December
Dresher, PA

Average sunshine days in December - Dresher, PA
  • Average sunshine days in December: 20.9 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).

Average UV index in December
Dresher, PA

Average UV index in December - Dresher, 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
Dresher, PA

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

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

Average visibility in December
Dresher, PA

Average visibility in December - Dresher, 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).

Dresher, Pennsylvania, USA

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