December weather forecast
Ridgway, PA

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Weather in December

December, the first month of the winter in Ridgway, is also an icy month, with an average temperature fluctuating between 25°F (-3.9°C) and 35.1°F (1.7°C).

Temperature

A shift in Ridgway's weather is observed as November turns into December, with the average high temperature reducing from a chilly 44.4°F (6.9°C) to an icy 35.1°F (1.7°C). Nighttime temperatures in Ridgway consistently average a subzero cold 25°F (-3.9°C) during December.

Humidity

In December, the average relative humidity in Ridgway is 87%.

Rainfall

In Ridgway, in December, during 11.7 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Ridgway, during the entire year, the rain falls for 176.3 days and collects up to 35" (889mm) of precipitation.

Snowfall

Months with snowfall in Ridgway are January through May, October through December. In Ridgway, Pennsylvania, during December, snow falls for 18.3 days and regularly aggregates up to 9.61" (244mm) of snow. Throughout the year, in Ridgway, there are 88 snowfall days, and 44.69" (1135mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December in Ridgway, sunrise is at 7:22 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:55 pm EST.

Sunshine

In December, the average sunshine is 2.5h.

UV index

The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 1 suggests these recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
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Frequently asked questions

How cold is December in Ridgway?

The average high-temperature and low-temperature in Ridgway during December are 35.1°F (1.7°C) and 25°F (-3.9°C) respectively.

What is the average humidity in December in Ridgway?

In December, the average relative humidity is 87%.

How much does it rain in Ridgway in December?

In Ridgway, in December, it is raining for 11.7 days, with typically 3.11" (79mm) of accumulated precipitation.

How much does it snow in Ridgway in December?

In Ridgway, during December, snow falls for 18.3 days and regularly aggregates up to 9.61" (244mm) of snow.

What is the month with the shortest days in Ridgway?

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

How many hours of daylight does Ridgway have in December?

In Ridgway, the average day length in December is 9h and 14min.

What time are sunrise and sunset in December in Ridgway?

In December, on the first day of the month, sunrise is at 7:22 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:55 pm EST.

How long on average sun shines in December in Ridgway?

The average sunshine duration in December in Ridgway is 2.5h.

When is the lowest UV index in Ridgway?

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

What is the UV index reading in December in Ridgway?

The average daily maximum UV index in December in Ridgway, Pennsylvania, is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Ridgway, PA

Average temperature in December - Ridgway, PA
  • Average high temperature in December: 35.1°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in December: 25°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).

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Average pressure in December
Ridgway, PA

Average pressure in December - Ridgway, 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).

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Average wind speed in December
Ridgway, PA

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

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Ridgway, PA

Average humidity in December - Ridgway, PA
  • Average humidity in December: 87%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are May, June, July and August (79%).

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Average rainfall in December
Ridgway, PA

Average rainfall in December - Ridgway, PA
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is April (3.94").
The driest month (with the least rainfall) is August (2.2").

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Average rainfall days in December
Ridgway, PA

Average rainfall days in December - Ridgway, PA
  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is January (8.5 days).

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Average snowfall in December
Ridgway, PA

Average snowfall in December - Ridgway, PA
  • Average snowfall in December: 9.61"

The month with the highest snowfall is January (10.79").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Ridgway, PA

Average snowfall days in December - Ridgway, PA
  • Average snowfall days in December: 18.3 days

The month with the highest number of snowfall days is January (21.8 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
Ridgway, PA

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

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 12min).

  • Average sunshine in December: 2h and 3min

The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in December
Ridgway, PA

Average sunshine days in December - Ridgway, PA
  • Average sunshine days in December: 5.8 days

The month with the most sunshine days is September (13.1 days).
The month with the least sunshine days is February (5.4 days).

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Average UV index in December
Ridgway, PA

Average UV index in December - Ridgway, 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 February and December (UV index 1).

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Average cloud cover in December
Ridgway, PA

Average cloud cover in December - Ridgway, PA
  • Average cloud cover in December: 75

The month with the most cloud cover is January (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 42).

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Average visibility in December
Ridgway, PA

Average visibility in December - Ridgway, PA
  • Average visibility in December: 4mi

The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).

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Ridgway, Pennsylvania, USA

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