December weather forecast
Carrick Valley, PA

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Weather in December

December, the first month of the winter in Carrick Valley, is still a cold month, with an average temperature varying between 28.9°F (-1.7°C) and 40.8°F (4.9°C).

Temperature

The arrival of December signals a shift in temperature, down from a cool 50°F (10°C) in November to a cold 40.8°F (4.9°C). During December, Carrick Valley's temperature falls to a steady low-temperature average of 28.9°F (-1.7°C).

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Carrick Valley, Pennsylvania, in December, during 10.8 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 156 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. In Carrick Valley, in December, snow falls for 4.2 days, with typically accumulated 1.73" (44mm) of snow. In Carrick Valley, during the entire year, snow falls for 28.8 days and aggregates up to 15.39" (391mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:14 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:56 pm EST.

Sunshine

In Carrick Valley, Pennsylvania, the average sunshine in December is 4.6h.

UV index

The months with the lowest UV index in Carrick Valley are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

Is it cold during December?

December temperatures vary between a high-temperature of 40.8°F (4.9°C) and a low-temperature of 28.9°F (-1.7°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 87.8°F (31°C).

What is the average humidity in December?

In December, the average relative humidity is 79%.

How much does it rain in December?

In Carrick Valley, in December, during 10.8 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

How much does it snow in December?

In Carrick Valley, in December, during 4.2 snowfall days, 1.73" (44mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 9h and 23min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:56 pm EST.

How many hours of sunshine does Carrick Valley have in December?

In Carrick Valley, the average sunshine duration in December is 4.6h.

When is 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 intensity in December in Carrick Valley?

The average daily maximum UV index in December is 2. A UV Index estimate 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
Carrick Valley, PA

Average temperature in December - Carrick Valley, PA
  • Average high temperature in December: 40.8°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in December: 28.9°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in December
Carrick Valley, PA

Average pressure in December - Carrick Valley, PA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Carrick Valley, PA

Average wind speed in December - Carrick Valley, PA
  • Average wind speed in December: 7.2mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Carrick Valley, PA

Average humidity in December - Carrick Valley, PA
  • Average humidity in December: 79%

The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is July (75%).

Average rainfall in December
Carrick Valley, PA

Average rainfall in December - Carrick Valley, PA
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in December
Carrick Valley, PA

Average rainfall days in December - Carrick Valley, PA
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Carrick Valley, PA

Average snowfall in December - Carrick Valley, PA
  • Average snowfall in December: 1.73"

The month with the highest snowfall is January (4.92").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Carrick Valley, PA

Average snowfall days in December - Carrick Valley, PA
  • Average snowfall days in December: 4.2 days

The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Carrick Valley, PA

Average daylight in December / Average sunshine in December - Carrick Valley, 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 24min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in December
Carrick Valley, PA

Average sunshine days in December - Carrick Valley, PA
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.6 days).

Average UV index in December
Carrick Valley, PA

Average UV index in December - Carrick Valley, 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
Carrick Valley, PA

Average cloud cover in December - Carrick Valley, PA
  • Average cloud cover in December: 52

The months with the most cloud cover are January, February and December (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Carrick Valley, PA

Average visibility in December - Carrick Valley, PA
  • Average visibility in December: 6mi

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

Carrick Valley, Pennsylvania, USA

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