December weather forecast
Easton, PA

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A golden shot of the green Northampton Street Bridge crossing over the Delaware River in Easton, Pennsylvania, colorful homes amid trees across the river
A golden shot of the green Northampton Street Bridge crossing over the Delaware River in Easton, Pennsylvania, colorful homes amid trees across the river

Weather in December

Easton attains a complete winter look by December, endowed with a snowy landscape and a stark drop in temperatures. The snowfall records an increase, closing at 2.2" (56mm), painting the town white for Christmas. The days become substantially shorter, while the nights grow longer, indicating the arrival of the winter solstice. Cloud cover increases significantly, eclipsing the sun for longer durations. December, with its festive charm and winter chill, wraps the year in Easton, leading it into another cycle of changing seasons come January.

Temperature

December's onset brings a reduction in the average high-temperature, from a frosty 49.8°F (9.9°C) in November to a wintry 40.1°F (4.5°C). Throughout December, Easton's nights cool down to an average of 28.9°F (-1.7°C).

Humidity

February, October and December, with an average relative humidity of 81%, are the most humid months in Easton.

Rainfall

In Easton, in December, it is raining for 10.1 days, with typically 2.87" (73mm) of accumulated precipitation. In Easton, during the entire year, the rain falls for 156.5 days and collects up to 31.97" (812mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In December, it is snowing for 4.4 days. Throughout December, 2.2" (56mm) of snow is accumulated. Throughout the year, there are 23.7 snowfall days, and 13.39" (340mm) 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 in Easton, Pennsylvania, sunrise is at 7:06 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:43 pm EST.

Sunshine

The average sunshine in December is 4.8h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 during December translates into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

The high-temperature, in December, in Easton, records 40.1°F (4.5°C), while the low-temperature is 28.9°F (-1.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the most humid month?

The months with the highest humidity are February, October and December, with an average relative humidity of 81%.

What is the average humidity in December?

In December, the average relative humidity in Easton is 81%.

How many days does it rain in December?

In December, the rain falls for 10.1 days. Throughout December, 2.87" (73mm) of precipitation is accumulated.

How many days does it snow in December?

In Easton, during December, snow falls for 4.4 days and regularly aggregates up to 2.2" (56mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Easton have in December?

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

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:06 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:43 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.8h.

What are the months with 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.

How high is the UV index in December?

In Easton, the average daily maximum UV index in December is 2. 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
Easton, PA

Average temperature in December - Easton, PA
  • Average high temperature in December: 40.1°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.2°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in December
Easton, PA

Average pressure in December - Easton, 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
Easton, PA

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

Average humidity in December
Easton, PA

Average humidity in December - Easton, PA
  • Average humidity in December: 81%

The months with the highest relative humidity are February, October and December (81%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in December
Easton, PA

Average rainfall in December - Easton, PA
  • Average rainfall in December: 2.87"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Easton, PA

Average rainfall days in December - Easton, PA
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in December
Easton, PA

Average snowfall in December - Easton, PA
  • Average snowfall in December: 2.2"

The month with the highest snowfall is March (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Easton, PA

Average snowfall days in December - Easton, PA
  • Average snowfall days in December: 4.4 days

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Easton, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Easton, PA

Average sunshine days in December - Easton, PA
  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in December
Easton, PA

Average UV index in December - Easton, PA
  • Average UV index in December: 2

The months with the highest UV index are June and July (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
Easton, PA

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

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in December
Easton, PA

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

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

Easton, Pennsylvania, USA

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