December weather forecast
Brownlee, PA

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Weather in December

December, the first month of the winter in Brownlee, is still a cold month, with an average temperature fluctuating between 34.7°F (1.5°C) and 25.2°F (-3.8°C).

Temperature

The arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 44.1°F (6.7°C) to a wintry 34.7°F (1.5°C). An average minimum temperature of 25.2°F (-3.8°C) marks the month of December.

Humidity

In Brownlee, Pennsylvania, the average relative humidity in December is 85%.

Rainfall

In Brownlee, in December, it is raining for 11.9 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 161.9 rainfall days, and 20.04" (509mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Brownlee, Pennsylvania. In Brownlee, in December, during 14.3 snowfall days, 3.5" (89mm) of snow is typically accumulated. In Brownlee, Pennsylvania, during the entire year, snow falls for 71.4 days and aggregates up to 16.54" (420mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December in Brownlee, sunrise is at 7:17 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:48 pm EST.

Sunshine

The month with the least sunshine in Brownlee is December, with an average of 3.1h of sunshine.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Brownlee. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 1 in December translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Brownlee in December?

During December, Brownlee experiences an average high-temperature of 34.7°F (1.5°C) and a low-temperature of 25.2°F (-3.8°C).

What is the average humidity in December in Brownlee?

In Brownlee, Pennsylvania, the average relative humidity in December is 85%.

How much does it rain in Brownlee in December?

In Brownlee, in December, it is raining for 11.9 days, with typically 1.5" (38mm) of accumulated precipitation.

How much does it snow in Brownlee in December?

In December, it is snowing for 14.3 days. Throughout December, 3.5" (89mm) of snow is accumulated.

What is the month with the shortest days in Brownlee?

The month with the shortest days in Brownlee is December, with an average of 9h and 12min of daylight.

How many hours of daylight does Brownlee have in December?

The average day length in December in Brownlee, Pennsylvania, is 9h and 13min.

When are sunrise and sunset in December in Brownlee?

In December, on the first day of the month, sunrise is at 7:17 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:48 pm EST.

What is the month with the least sunshine in Brownlee?

December has the least sunshine of the year, with an average of 3.1h of sunshine.

How long on average sun shines in December in Brownlee?

In December, the average sunshine duration is 3.1h.

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

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Brownlee.

What is the UV index reading in December in Brownlee?

In December, the average daily maximum UV index in Brownlee, Pennsylvania, is 1. A UV Index of 2, and less, symbolizes a minimal hazard to health from unsafe 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
Brownlee, PA

Average temperature in December - Brownlee, PA
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in December: 25.2°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Brownlee, PA

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

Average wind speed in December
Brownlee, PA

Average wind speed in December - Brownlee, PA
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Brownlee, PA

Average humidity in December - Brownlee, PA
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in December
Brownlee, PA

Average rainfall in December - Brownlee, PA
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is January (1.22").

Average rainfall days in December
Brownlee, PA

Average rainfall days in December - Brownlee, PA
  • Average rainfall days in December: 11.9 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in December
Brownlee, PA

Average snowfall in December - Brownlee, PA
  • Average snowfall in December: 3.5"

The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Brownlee, PA

Average snowfall days in December - Brownlee, PA
  • Average snowfall days in December: 14.3 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Brownlee, PA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in December
Brownlee, PA

Average sunshine days in December - Brownlee, PA
  • Average sunshine days in December: 9.2 days

The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.4 days).

Average UV index in December
Brownlee, PA

Average UV index in December - Brownlee, PA
  • Average UV index in December: 1

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Brownlee, PA

Average cloud cover in December - Brownlee, PA
  • Average cloud cover in December: 68

The months with the most cloud cover are January and December (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in December
Brownlee, PA

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

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

Brownlee, Pennsylvania, USA

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