December weather forecast
Rebuck, PA

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Weather in December

The first month of the winter, December, is also a wintry month in Rebuck, Pennsylvania, with an average temperature varying between 39°F (3.9°C) and 28°F (-2.2°C).

Temperature

The arrival of December indicates a decrease in the average high-temperature, moving from a frosty 48.4°F (9.1°C) in November to an icy 39°F (3.9°C). An average minimum temperature of 28°F (-2.2°C) is recorded during the month of December.

Humidity

The average relative humidity in December is 81%.

Rainfall

In Rebuck, in December, during 11.8 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Rebuck, during the entire year, the rain falls for 165.3 days and collects up to 30.55" (776mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Rebuck. In December, it is snowing for 7 days. Throughout December, 1.97" (50mm) of snow is accumulated. In Rebuck, during the entire year, snow falls for 38.1 days and aggregates up to 17.68" (449mm) 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 the month, sunrise is at 7:12 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:49 pm EST.

Sunshine

The average sunshine in December is 4.4h.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a regular UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Frequently asked questions

Is it cold during December?

The high-temperature, in December, in Rebuck, records 39°F (3.9°C), while the low-temperature is 28°F (-2.2°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 81%.

How much does it rain in Rebuck in December?

In December, the rain falls for 11.8 days. Throughout December, 2.2" (56mm) of precipitation is accumulated.

How many days does it snow in December?

In December, it is snowing for 7 days. Throughout December, 1.97" (50mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Rebuck have in December?

The average day length in December is 9h and 19min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:12 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:49 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.4h.

What is the month with the lowest UV index?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the UV index reading in December?

In Rebuck, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
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
Rebuck, PA

Average temperature in December - Rebuck, PA
  • Average high temperature in December: 39°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in December: 28°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in December
Rebuck, PA

Average pressure in December - Rebuck, 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 (29.94"Hg).

Average wind speed in December
Rebuck, PA

Average wind speed in December - Rebuck, PA
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Rebuck, PA

Average humidity in December - Rebuck, PA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).

Average rainfall in December
Rebuck, PA

Average rainfall in December - Rebuck, PA
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are February and November (2.09").

Average rainfall days in December
Rebuck, PA

Average rainfall days in December - Rebuck, PA
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (9 days).

Average snowfall in December
Rebuck, PA

Average snowfall in December - Rebuck, PA
  • Average snowfall in December: 1.97"

The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Rebuck, PA

Average snowfall days in December - Rebuck, PA
  • Average snowfall days in December: 7 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Rebuck, PA

Average daylight in December / Average sunshine in December - Rebuck, 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 18min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in December
Rebuck, PA

Average sunshine days in December - Rebuck, PA
  • Average sunshine days in December: 14.6 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is May (9.9 days).

Average UV index in December
Rebuck, PA

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

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

Average cloud cover in December
Rebuck, PA

Average cloud cover in December - Rebuck, PA
  • Average cloud cover in December: 53

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Rebuck, PA

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

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

Rebuck, Pennsylvania, USA

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