December weather forecastWendel, PA
December
Weather in December
The first month of the winter, December, is also an icy month in Wendel, Pennsylvania, with an average temperature fluctuating between 28.4°F (-2°C) and 39.9°F (4.4°C).Temperature
As November transitions into December, Wendel sees a drop in the average high-temperature, transitioning from a frosty 49.5°F (9.7°C) to a cold 39.9°F (4.4°C). Wendel usually reports an average low-temperature of 28.4°F (-2°C) during the month of December.Humidity
The average relative humidity in December is 84%.Rainfall
In December, in Wendel, the rain falls for 12.7 days. Throughout December, 1.97" (50mm) of precipitation is accumulated. Throughout the year, there are 174.1 rainfall days, and 23.82" (605mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Wendel, in December, snow falls for 11.5 days, with typically accumulated 2.91" (74mm) of snow. Throughout the year, there are 54.8 snowfall days, and 13.58" (345mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:02 pm EST.
Sunshine
In Wendel, the average sunshine in December is 3.6h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Wendel, PA
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Wendel, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Wendel, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Wendel, PA
- Average humidity in December: 84%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Wendel, PA
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Wendel, PA
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (10 days).
Average snowfall in December
Wendel, PA
- Average snowfall in December: 2.91"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wendel, PA
- Average snowfall days in December: 11.5 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wendel, 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 August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Wendel, PA
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is January (7.3 days).
Average UV index in December
Wendel, PA
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Wendel, PA
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Wendel, PA
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





