Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The shift from November to December involves a decrease in the average high-temperature, dropping from a cool 50°F (10°C) to a cold 40.6°F (4.8°C). During the nights in December, an average low-temperature of 29.3°F (-1.5°C) is observed in Wernersville.Humidity
In December, the average relative humidity is 80%.Rainfall
In Wernersville, in December, during 11.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, in Wernersville, Pennsylvania, there are 158.3 rainfall days, and 29.76" (756mm) of precipitation is accumulated.Snowfall
Months with snowfall in Wernersville are January through May, October through December. In December, in Wernersville, it is snowing for 4.4 days. Throughout December, 1.54" (39mm) of snow is accumulated. Throughout the year, there are 26.5 snowfall days, and 12.64" (321mm) of snow is accumulated.Daylight
The month with the shortest days in Wernersville is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:38 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:48 pm EST.
Sunshine
In December, the average sunshine in Wernersville, Pennsylvania, is 4.7h.UV index
The months with the lowest UV index in Wernersville are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
Is December cold in Wernersville?
What is the average humidity in December in Wernersville?
How much does it rain in Wernersville in December?
How much does it snow in Wernersville in December?
What is the month with the shortest days in Wernersville?
How many hours of daylight does Wernersville have in December?
What time are sunrise and sunset in December in Wernersville?
How many hours of sunshine does Wernersville have in December?
What is the month with the lowest UV index in Wernersville?
How high is the UV index in December in Wernersville?
Average temperature in December
Wernersville, PA
- Average high temperature in December: 40.6°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 (35.1°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in December
Wernersville, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Wernersville, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Wernersville, PA
- Average humidity in December: 80%
The months with the highest relative humidity are February and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Wernersville, PA
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is August (2.95").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Wernersville, PA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Wernersville, PA
- Average snowfall in December: 1.54"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Wernersville, PA
- Average snowfall days in December: 4.4 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wernersville, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Wernersville, PA
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in December
Wernersville, PA
- Average UV index in December: 2
The months with the highest UV index are May, 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
Wernersville, PA
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Wernersville, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Wernersville, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
