December weather forecast
Barto, PA

Weather in December

December, the first month of the winter, in Barto, is also a wintry month, with average temperature fluctuating between 30°F (-1.1°C) and 41.5°F (5.3°C).

Temperature

In December, the average high-temperature slightly decreases, from a fresh 50.4°F (10.2°C) in November, to a wintry 41.5°F (5.3°C). In December, the average low-temperature is 30°F (-1.1°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In December, in Barto, the rain falls for 10.8 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. In Barto, during the entire year, the rain falls for 155.5 days and collects up to 28.15" (715mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Barto, Pennsylvania. In December, in Barto, it is snowing for 4.1 days. Throughout December, 2.01" (51mm) of snow is accumulated. Throughout the year, there are 27 snowfall days, and 12.52" (318mm) of snow is accumulated.

Daylight

The month with the shortest days in Barto is December, with an average of 9.3h of daylight.

Sunshine

The average sunshine in December is 4.8h.

UV index

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 hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 2 transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Barto?

In December, the average relative humidity in Barto, Pennsylvania, is 80%.

How much does it rain in Barto in December?

In Barto, Pennsylvania, in December, it is raining for 10.8 days, with typically 2.52" (64mm) of accumulated precipitation.

How many days does it snow in December in Barto?

In Barto, Pennsylvania, during December, snow falls for 4.1 days and regularly aggregates up to 2.01" (51mm) of snow.

What is the month with the shortest days in Barto?

With an average of 9.3h of daylight, December has the shortest days of the year in Barto, Pennsylvania.

How many hours of daylight does Barto have in December?

The average length of the day in December is 9.3h.

How many hours of sunshine does Barto have in December?

In Barto, the average sunshine in December is 4.8h.

When is the lowest UV index in Barto?

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 Barto?

The average daily maximum UV index in December in Barto is 2. A UV Index value of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.

Average temperature in December
Barto, PA

Average temperature in December - Barto, PA
  • Average high temperature in December: 41.5°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in December
Barto, PA

Average pressure in December - Barto, PA
  • Average pressure in December: 30.09"

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in December
Barto, PA

Average wind speed in December - Barto, 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 (5mph).

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Average humidity in December
Barto, PA

Average humidity in December - Barto, PA
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
Months with the lowest relative humidity are April and July (75%).

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Average rainfall in December
Barto, PA

Average rainfall in December - Barto, PA
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in December
Barto, PA

Average rainfall days in December - Barto, PA
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8 days).

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Average snowfall in December
Barto, PA

Average snowfall in December - Barto, PA
  • Average snowfall in December: 2.01"

The month with the highest snowfall is March (3.86").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Barto, PA

Average snowfall days in December - Barto, PA
  • Average snowfall days in December: 4.1 days

The month with the highest number of snowfall days is January (8.5 days).
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
Barto, PA

Average daylight in December / Average sunshine in December - Barto, PA
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 4.8h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in December
Barto, PA

Average sunshine days in December - Barto, PA
  • Average sunshine days in December: 16 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is April (12 days).

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Average UV index in December
Barto, PA

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

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

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Average cloud cover in December
Barto, PA

Average cloud cover in December - Barto, PA
  • Average cloud cover in December: 50

Months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in December
Barto, PA

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

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

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