December weather forecast
Rimersburg, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Rimersburg, Pennsylvania, with an average temperature fluctuating between 36.9°F (2.7°C) and 26.1°F (-3.3°C).

Temperature

During the transition into December, Rimersburg observes a decrease in the average high-temperature, falling from a chilly 46.8°F (8.2°C) in November to an icy 36.9°F (2.7°C). Rimersburg observes an average low-temperature of 26.1°F (-3.3°C) during December.

Humidity

In December, the average relative humidity is 86%.

Rainfall

In December, the rain falls for 11.3 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. In Rimersburg, during the entire year, the rain falls for 176.8 days and collects up to 34.57" (878mm) of precipitation.

Snowfall

Months with snowfall in Rimersburg, Pennsylvania, are January through May, October through December. In Rimersburg, in December, snow falls for 12.3 days, with typically accumulated 4.84" (123mm) of snow. In Rimersburg, during the entire year, snow falls for 63.1 days and aggregates up to 25.75" (654mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December in Rimersburg, sunrise is at 7:24 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:59 pm EST.

Sunshine

The average sunshine in December in Rimersburg is 2.7h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

How cold is it in Rimersburg in December?

Rimersburg in December has an average high-temperature of 36.9°F (2.7°C) and an average low-temperature of 26.1°F (-3.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), 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 Rimersburg?

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

How much does it rain in Rimersburg in December?

In Rimersburg, Pennsylvania, in December, it is raining for 11.3 days, with typically 2.52" (64mm) of accumulated precipitation.

How many days does it snow in December in Rimersburg?

In Rimersburg, Pennsylvania, in December, snow falls for 12.3 days, with typically accumulated 4.84" (123mm) of snow.

What is the month with the shortest days in Rimersburg?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

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

The average day length in December in Rimersburg is 9h and 17min.

When is the sunrise / sunset in December in Rimersburg?

On the first day of December in Rimersburg, sunrise is at 7:24 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:59 pm EST.

How long on average sun shines in December in Rimersburg?

In December, the average sunshine duration in Rimersburg, Pennsylvania, is 2.7h.

What is the month with the lowest UV index in Rimersburg?

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

How high is the UV index in December in Rimersburg?

In December, the average daily maximum UV index is 1. A UV Index reading of 2, and below, represents a low health risk 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
Rimersburg, PA

Average temperature in December - Rimersburg, PA
  • Average high temperature in December: 36.9°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 (30.6°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

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Average pressure in December
Rimersburg, PA

Average pressure in December - Rimersburg, PA
  • Average pressure in December: 30.1"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
Rimersburg, PA

Average wind speed in December - Rimersburg, PA
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in December
Rimersburg, PA

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

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (78%).

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Average rainfall in December
Rimersburg, PA

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

The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (2.17").

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Average rainfall days in December
Rimersburg, PA

Average rainfall days in December - Rimersburg, PA
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in December
Rimersburg, PA

Average snowfall in December - Rimersburg, PA
  • Average snowfall in December: 4.84"

The month with the highest snowfall is January (6.42").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Rimersburg, PA

Average snowfall days in December - Rimersburg, PA
  • Average snowfall days in December: 12.3 days

The month with the highest number of snowfall days is January (17.4 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
Rimersburg, PA

Average daylight in December / Average sunshine in December - Rimersburg, 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 4min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).

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Average sunshine days in December
Rimersburg, PA

Average sunshine days in December - Rimersburg, PA
  • Average sunshine days in December: 11.5 days

The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (8.7 days).

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Average UV index in December
Rimersburg, PA

Average UV index in December - Rimersburg, 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
Rimersburg, PA

Average cloud cover in December - Rimersburg, PA
  • Average cloud cover in December: 71

The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).

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Average visibility in December
Rimersburg, PA

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

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

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Rimersburg, Pennsylvania, USA

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