December weather forecastWindber, PA

December

Weather in December

The first month of the winter, December, is still a cold month in Windber, Pennsylvania, with an average temperature ranging between min 26.1°F (-3.3°C) and max 36.5°F (2.5°C).

Temperature

December weather is marked by a drop in the average high-temperature, falling from a frosty 46.4°F (8°C) in November to an icy 36.5°F (2.5°C). Windber temperatures generally rest at a low of 26.1°F (-3.3°C) during the December nights.

Humidity

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

Rainfall

In December, the rain falls for 11.3 days. Throughout December, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 170.8 rainfall days, and 31.02" (788mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In Windber, in December, snow falls for 11.5 days, with typically accumulated 5.2" (132mm) of snow. In Windber, during the entire year, snow falls for 58.6 days and aggregates up to 30.63" (778mm) of snow.

Daylight

With an average of 9h and 24min of daylight, December has the shortest days of the year in Windber.
On the first day of the month, sunrise is at 7:19 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:37 am and sunset at 4:59 pm EST.

Sunshine

In Windber, the average sunshine in December is 3.6h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during December are 36.5°F (2.5°C) and 26.1°F (-3.3°C) respectively.

The average relative humidity in December is 85%.

In Windber, in December, it is raining for 11.3 days, with typically 2.76" (70mm) of accumulated precipitation.

In Windber, in December, during 11.5 snowfall days, 5.2" (132mm) of snow is typically accumulated.

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

In Windber, the average day length in December is 9h and 22min.

On the first day of December, sunrise is at 7:19 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:59 pm EST.

The average sunshine duration in December is 3.6h.

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

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Windber, PA

  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

Average pressure in December
Windber, 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
Windber, PA

  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Windber, PA

  • Average humidity in December: 85%

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

Average rainfall in December
Windber, PA

  • Average rainfall in December: 2.76"

The wettest months (with the highest rainfall) are April and July (3.11").
The driest month (with the least rainfall) is November (1.65").

Average rainfall days in December
Windber, PA

  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is May (19.9 days).
The months with the least rainy days are February and November (8.9 days).

Average snowfall in December
Windber, PA

  • Average snowfall in December: 5.2"

The month with the highest snowfall is January (6.97").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Windber, PA

  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 9h and 24min

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: 3h and 36min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in December
Windber, PA

  • Average sunshine days in December: 10.9 days

The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is May (9.3 days).

Average UV index in December
Windber, PA

  • Average UV index in December: 2

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, February, March, October, November and December (UV index 2).

Average cloud cover in December
Windber, PA

  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 39).

Average visibility in December
Windber, PA

  • Average visibility in December: 5mi

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