December weather forecast
Brookwood, PA

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Weather in December

The first month of the winter, December, is also a frosty month in Brookwood, Pennsylvania, with an average temperature fluctuating between 43.7°F (6.5°C) and 32.5°F (0.3°C).

Temperature

The shift from November to December involves a decrease in the average high-temperature, dropping from a fresh 52.7°F (11.5°C) to a chilly 43.7°F (6.5°C). Brookwood sees an average low-temperature of 32.5°F (0.3°C) during December.

Humidity

In December, the average relative humidity in Brookwood is 76%.

Rainfall

In December, the rain falls for 9.8 days. Throughout December, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 153.8 rainfall days, and 30.94" (786mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In Brookwood, in December, snow falls for 2.7 days, with typically accumulated 1.18" (30mm) of snow. In Brookwood, during the entire year, snow falls for 16.8 days and aggregates up to 8.5" (216mm) 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 December, sunrise is at 7:03 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:44 pm EST.

Sunshine

In December, the average sunshine in Brookwood is 5h.

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 reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

December temperatures vary between a high-temperature of 43.7°F (6.5°C) and a low-temperature of 32.5°F (0.3°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 91.4°F (33°C).

What is the average humidity in December?

In December, the average relative humidity is 76%.

How many days does it rain in December in Brookwood?

In December, the rain falls for 9.8 days. Throughout December, 3.03" (77mm) of precipitation is accumulated.

How many days does it snow in December?

In Brookwood, in December, during 2.7 snowfall days, 1.18" (30mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Brookwood have in December?

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

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:03 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:44 pm EST.

How many hours of sunshine does Brookwood have in December?

The average sunshine duration in December is 5h.

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 Brookwood?

In Brookwood, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Brookwood, PA

Average temperature in December - Brookwood, PA
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 32.5°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in December
Brookwood, PA

Average pressure in December - Brookwood, 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 (29.93"Hg).

Average wind speed in December
Brookwood, PA

Average wind speed in December - Brookwood, PA
  • Average wind speed in December: 7.7mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Brookwood, PA

Average humidity in December - Brookwood, PA
  • Average humidity in December: 76%

The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).

Average rainfall in December
Brookwood, PA

Average rainfall in December - Brookwood, PA
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in December
Brookwood, PA

Average rainfall days in December - Brookwood, PA
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in December
Brookwood, PA

Average snowfall in December - Brookwood, PA
  • Average snowfall in December: 1.18"

The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Brookwood, PA

Average snowfall days in December - Brookwood, PA
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Brookwood, 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: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Brookwood, PA

Average sunshine days in December - Brookwood, PA
  • Average sunshine days in December: 19 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).

Average UV index in December
Brookwood, PA

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

The months with the highest UV index are May, June, July and August (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
Brookwood, PA

Average cloud cover in December - Brookwood, PA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in December
Brookwood, PA

Average visibility in December - Brookwood, PA
  • Average visibility in December: 6mi

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

Brookwood, Pennsylvania, USA

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