December weather forecast
East Berwick, PA

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Weather in December

December, the first month of the winter in East Berwick, is still a cold month, with an average temperature fluctuating between 37.6°F (3.1°C) and 27°F (-2.8°C).

Temperature

December's arrival correlates with a reduction in the average high-temperature, down from a frosty 47.3°F (8.5°C) in November to an icy 37.6°F (3.1°C). In December, East Berwick encounters an average low-temperature of 27°F (-2.8°C) during the night.

Humidity

In East Berwick, the average relative humidity in December is 82%.

Rainfall

In East Berwick, Pennsylvania, in December, during 12.4 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In East Berwick, Pennsylvania, during the entire year, the rain falls for 166.3 days and collects up to 31.06" (789mm) of precipitation.

Snowfall

Months with snowfall in East Berwick are January through May, October through December. In East Berwick, Pennsylvania, in December, snow falls for 9.4 days, with typically accumulated 3.94" (100mm) of snow. In East Berwick, during the entire year, snow falls for 47.6 days and aggregates up to 22.91" (582mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:29 am and sunset at 4:46 pm EST.

Sunshine

In December, the average sunshine is 4.1h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 1 suggests this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Around midday, solar radiation is most harmful; hence, exposure should be limited. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is it in December?

In December, in East Berwick, the average high-temperature is 37.6°F (3.1°C), and the average low-temperature is 27°F (-2.8°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 87.8°F (31°C).

What is the average humidity in December?

In East Berwick, the average relative humidity in December is 82%.

How many days does it rain in December?

In East Berwick, in December, it is raining for 12.4 days, with typically 2.52" (64mm) of accumulated precipitation.

How many days does it snow in December?

In East Berwick, during December, snow falls for 9.4 days and regularly aggregates up to 3.94" (100mm) of snow.

What is the month with the shortest days in East Berwick?

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

How many hours of daylight does East Berwick have in December?

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

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:11 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:46 pm EST.

How long on average sun shines in December?

In East Berwick, the average sunshine duration in December is 4.1h.

When is the lowest UV index in East Berwick?

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

How high is the UV index in December?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk 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
East Berwick, PA

Average temperature in December - East Berwick, PA
  • Average high temperature in December: 37.6°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.8°F).

  • Average low temperature in December: 27°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).

Average pressure in December
East Berwick, PA

Average pressure in December - East Berwick, PA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
East Berwick, PA

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

The windiest months (with the highest average wind speed) are March and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in December
East Berwick, PA

Average humidity in December - East Berwick, PA
  • Average humidity in December: 82%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (77%).

Average rainfall in December
East Berwick, PA

Average rainfall in December - East Berwick, PA
  • Average rainfall in December: 2.52"

The wettest months (with the highest rainfall) are April and May (2.99").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
East Berwick, PA

Average rainfall days in December - East Berwick, PA
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in December
East Berwick, PA

Average snowfall in December - East Berwick, PA
  • Average snowfall in December: 3.94"

The month with the highest snowfall is January (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
East Berwick, PA

Average snowfall days in December - East Berwick, PA
  • Average snowfall days in December: 9.4 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
East Berwick, PA

Average daylight in December / Average sunshine in December - East Berwick, 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: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in December
East Berwick, PA

Average sunshine days in December - East Berwick, PA
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in December
East Berwick, PA

Average UV index in December - East Berwick, 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
East Berwick, PA

Average cloud cover in December - East Berwick, PA
  • Average cloud cover in December: 58

The months with the most cloud cover are February and December (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in December
East Berwick, PA

Average visibility in December - East Berwick, PA
  • Average visibility in December: 5mi

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

East Berwick, Pennsylvania, USA

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