December weather forecast
East Smithfield, PA

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Weather in December

December, the first month of the winter in East Smithfield, is still a cold month, with temperature in the range of an average low of 25.5°F (-3.6°C) and an average high of 35.2°F (1.8°C).

Temperature

East Smithfield's December weather features a mild decline in high-temperatures, reducing from a frosty 45.3°F (7.4°C) in November to an icy 35.2°F (1.8°C). East Smithfield experiences an average low-temperature of 25.5°F (-3.6°C) in month of December.

Humidity

In East Smithfield, Pennsylvania, the average relative humidity in December is 84%.

Rainfall

In East Smithfield, in December, during 11.5 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In East Smithfield, Pennsylvania, during the entire year, the rain falls for 164.7 days and collects up to 24.09" (612mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In East Smithfield, in December, during 12.7 snowfall days, 3.54" (90mm) of snow is typically accumulated. Throughout the year, in East Smithfield, there are 67.5 snowfall days, and 20.75" (527mm) of snow is accumulated.

Daylight

The month with the shortest days in East Smithfield is December, with an average of 9h and 12min of daylight.
On the first day of December in East Smithfield, Pennsylvania, sunrise is at 7:15 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:45 pm EST.

Sunshine

January, February and December, with an average of 3.2h of sunshine, are months with the least sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: During December, 1 as the daily maximum UV index converts into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

How cold is December in East Smithfield?

East Smithfield in December has an average high-temperature of 35.2°F (1.8°C) and an average low-temperature of 25.5°F (-3.6°C).

What is the average humidity in December in East Smithfield?

The average relative humidity in December is 84%.

How much does it rain in East Smithfield in December?

In East Smithfield, during December, the rain falls for 11.5 days and regularly aggregates up to 1.61" (41mm) of precipitation.

How much does it snow in East Smithfield in December?

In December, it is snowing for 12.7 days. Throughout December, 3.54" (90mm) of snow is accumulated.

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

December has the shortest days of the year in East Smithfield, Pennsylvania, with an average of 9h and 12min of daylight.

What is the average length of the day in December in East Smithfield?

In East Smithfield, the average day length in December is 9h and 11min.

What time are sunrise and sunset in December in East Smithfield?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:45 pm EST.

What is the month with the least sunshine in East Smithfield?

The months with the least sunshine are January, February and December, with an average of 3.2h of sunshine.

How long on average sun shines in December in East Smithfield?

The average sunshine duration in December in East Smithfield is 3.2h.

What are the months with the lowest UV index in East Smithfield?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index reading in December in East Smithfield?

In December, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from 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 Smithfield, PA

Average temperature in December - East Smithfield, PA
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (29.3°F).

  • Average low temperature in December: 25.5°F

The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

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Average pressure in December
East Smithfield, PA

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
East Smithfield, PA

Average wind speed in December - East Smithfield, PA
  • Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
East Smithfield, PA

Average humidity in December - East Smithfield, PA
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, June and July (78%).

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Average rainfall in December
East Smithfield, PA

Average rainfall in December - East Smithfield, PA
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (1.38").

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Average rainfall days in December
East Smithfield, PA

Average rainfall days in December - East Smithfield, PA
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in December
East Smithfield, PA

Average snowfall in December - East Smithfield, PA
  • Average snowfall in December: 3.54"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
East Smithfield, PA

Average snowfall days in December - East Smithfield, PA
  • Average snowfall days in December: 12.7 days

The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - East Smithfield, PA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 12min).

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Average sunshine days in December
East Smithfield, PA

Average sunshine days in December - East Smithfield, PA
  • Average sunshine days in December: 9.4 days

The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (8.8 days).

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Average UV index in December
East Smithfield, PA

Average UV index in December - East Smithfield, PA
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in December
East Smithfield, PA

Average cloud cover in December - East Smithfield, PA
  • Average cloud cover in December: 68

The months with the most cloud cover are January, February and December (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 39).

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Average visibility in December
East Smithfield, PA

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

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

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East Smithfield, Pennsylvania, USA

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