December weather forecast
Curwensville, PA

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Weather in December

The first month of the winter, December, is also an icy month in Curwensville, Pennsylvania, with an average temperature fluctuating between 36.7°F (2.6°C) and 25.7°F (-3.5°C).

Temperature

December suggests a modest reduction in the average high-temperature, shifting from a chilly 45.7°F (7.6°C) in November to a wintry 36.7°F (2.6°C). During the December nights, an average temperature of 25.7°F (-3.5°C) is observed in Curwensville.

Humidity

The average relative humidity in December is 86%.

Rainfall

In Curwensville, in December, during 8.5 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. Throughout the year, in Curwensville, there are 136.6 rainfall days, and 18.54" (471mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Curwensville are January through May, October through December. In Curwensville, in December, during 8.4 snowfall days, 2.24" (57mm) of snow is typically accumulated. Throughout the year, there are 46.2 snowfall days, and 14.45" (367mm) of snow is accumulated.

Daylight

The month with the shortest days in Curwensville is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 7:20 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:56 pm EST.

Sunshine

The average sunshine in December is 2.8h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Curwensville. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 1 in December suggests the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

How cold is it in Curwensville in December?

December temperatures in Curwensville vary between a high-temperature of 36.7°F (2.6°C) and a low-temperature of 25.7°F (-3.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in July is computed to be 86°F (30°C).

What is the average humidity in December in Curwensville?

In Curwensville, the average relative humidity in December is 86%.

How many days does it rain in December in Curwensville?

In December, the rain falls for 8.5 days. Throughout December, 1.46" (37mm) of precipitation is accumulated.

How much does it snow in Curwensville in December?

In Curwensville, during December, snow falls for 8.4 days and regularly aggregates up to 2.24" (57mm) of snow.

What is the month with the shortest days in Curwensville?

The month with the shortest days in Curwensville, Pennsylvania, is December, with an average of 9h and 18min of daylight.

What is the average length of the day in December in Curwensville?

In Curwensville, Pennsylvania, the average day length in December is 9h and 17min.

When is the sunrise / sunset in December in Curwensville?

On the first day of December, sunrise is at 7:20 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:56 pm EST.

How many hours of sunshine does Curwensville have in December?

In December, the average sunshine duration is 2.8h.

When is the lowest UV index in Curwensville?

With an average maximum UV index of 1, December is the month with the lowest UV index in Curwensville, Pennsylvania.

What is the UV index reading in December in Curwensville?

In December, the average daily maximum UV index in Curwensville is 1. A UV Index reading 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
Curwensville, PA

Average temperature in December - Curwensville, PA
  • Average high temperature in December: 36.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.2°F).

  • Average low temperature in December: 25.7°F

The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in December
Curwensville, PA

Average pressure in December - Curwensville, PA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Curwensville, PA

Average wind speed in December - Curwensville, PA
  • Average wind speed in December: 8.7mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Curwensville, PA

Average humidity in December - Curwensville, PA
  • Average humidity in December: 86%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is July (77%).

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Average rainfall in December
Curwensville, PA

Average rainfall in December - Curwensville, PA
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and November (1.06").

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Average rainfall days in December
Curwensville, PA

Average rainfall days in December - Curwensville, PA
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (5.8 days).

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Average snowfall in December
Curwensville, PA

Average snowfall in December - Curwensville, PA
  • Average snowfall in December: 2.24"

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Curwensville, PA

Average snowfall days in December - Curwensville, PA
  • Average snowfall days in December: 8.4 days

The month with the highest number of snowfall days is January (11.8 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
Curwensville, PA

Average daylight in December / Average sunshine in December - Curwensville, 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: 2h and 5min

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

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Average sunshine days in December
Curwensville, PA

Average sunshine days in December - Curwensville, PA
  • Average sunshine days in December: 15.8 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in December
Curwensville, PA

Average UV index in December - Curwensville, 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).

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Average cloud cover in December
Curwensville, PA

Average cloud cover in December - Curwensville, PA
  • Average cloud cover in December: 72

The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 40).

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Average visibility in December
Curwensville, PA

Average visibility in December - Curwensville, 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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Curwensville, Pennsylvania, USA

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