December weather forecast
Three Springs, PA

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Weather in December

The first month of the winter, December, is also an icy month in Three Springs, Pennsylvania, with an average temperature varying between 27.5°F (-2.5°C) and 38.8°F (3.8°C).

Temperature

December brings a minor decrease, with the average high-temperature reducing from a chilly 48.4°F (9.1°C) in November to a cold 38.8°F (3.8°C). An average low-temperature of 27.5°F (-2.5°C) is noted during the nights in December in Three Springs, Pennsylvania.

Humidity

The average relative humidity in December is 81%.

Rainfall

In Three Springs, in December, it is raining for 10.9 days, with typically 2.36" (60mm) of accumulated precipitation. In Three Springs, during the entire year, the rain falls for 164.3 days and collects up to 28.19" (716mm) of precipitation.

Snowfall

Months with snowfall in Three Springs are January through April, October through December. In December, it is snowing for 7.7 days. Throughout December, 2.56" (65mm) of snow is accumulated. Throughout the year, in Three Springs, Pennsylvania, there are 40.6 snowfall days, and 17.91" (455mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December in Three Springs, sunrise is at 7:15 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:56 pm EST.

Sunshine

In December, the average sunshine in Three Springs is 4.3h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Three Springs, Pennsylvania. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 2 in December translates into this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

Is December cold in Three Springs?

In Three Springs, in December, the average high-temperature is 38.8°F (3.8°C), and the average low-temperature is 27.5°F (-2.5°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is computed to be 86°F (30°C).

What is the average humidity in December in Three Springs?

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

How much does it rain in Three Springs in December?

In Three Springs, Pennsylvania, during December, the rain falls for 10.9 days and regularly aggregates up to 2.36" (60mm) of precipitation.

How much does it snow in Three Springs in December?

In Three Springs, during December, snow falls for 7.7 days and regularly aggregates up to 2.56" (65mm) of snow.

What is the month with the shortest days in Three Springs?

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

What is the average length of the day in December in Three Springs?

In December, the average day length is 9h and 22min.

When are sunrise and sunset in December in Three Springs?

On the first day of December in Three Springs, Pennsylvania, sunrise is at 7:15 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:56 pm EST.

How long on average sun shines in December in Three Springs?

In Three Springs, the average sunshine duration in December is 4.3h.

When is the lowest UV index in Three Springs?

January through March, October through 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 Three Springs?

In December, the average daily maximum UV index in Three Springs is 2. A UV Index reading of 2, and below, represents a low health threat 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
Three Springs, PA

Average temperature in December - Three Springs, PA
  • Average high temperature in December: 38.8°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in December: 27.5°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in December
Three Springs, PA

Average pressure in December - Three Springs, PA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Three Springs, PA

Average wind speed in December - Three Springs, PA
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
Three Springs, PA

Average humidity in December - Three Springs, PA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in December
Three Springs, PA

Average rainfall in December - Three Springs, PA
  • Average rainfall in December: 2.36"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Three Springs, PA

Average rainfall days in December - Three Springs, PA
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (9.5 days).

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Average snowfall in December
Three Springs, PA

Average snowfall in December - Three Springs, PA
  • Average snowfall in December: 2.56"

The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Three Springs, PA

Average snowfall days in December - Three Springs, PA
  • Average snowfall days in December: 7.7 days

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Three Springs, PA

Average daylight in December / Average sunshine in December - Three Springs, 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: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in December
Three Springs, PA

Average sunshine days in December - Three Springs, PA
  • Average sunshine days in December: 14.2 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in December
Three Springs, PA

Average UV index in December - Three Springs, PA
  • Average UV index in December: 2

The months with the highest UV index are May and June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Three Springs, PA

Average cloud cover in December - Three Springs, PA
  • Average cloud cover in December: 55

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in December
Three Springs, PA

Average visibility in December - Three Springs, 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).

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Three Springs, Pennsylvania, USA

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