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
December sees a slight reduction in average high-temperature, with a shift from a chilly 49.8°F (9.9°C) in November to a wintry 41°F (5°C). In December, Hershey experiences a temperature dip to an average of 29.5°F (-1.4°C) at night.Humidity
In Hershey, Pennsylvania, the average relative humidity in December is 79%.Rainfall
In Hershey, Pennsylvania, in December, during 12 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 162.3 rainfall days, and 30.71" (780mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In December, in Hershey, it is snowing for 5.2 days. Throughout December, 1.73" (44mm) of snow is accumulated. Throughout the year, in Hershey, there are 27.8 snowfall days, and 13.23" (336mm) 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 December in Hershey, Pennsylvania, sunrise is at 7:10 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:50 pm EST.
Sunshine
In December, the average sunshine is 4.6h.UV index
The months with the lowest UV index in Hershey, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In December, the UV index of 2 transforms into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
Is it cold in Hershey during December?
What is the average humidity in December in Hershey?
How much does it rain in Hershey in December?
How much does it snow in Hershey in December?
What is the month with the shortest days in Hershey?
What is the average length of the day in December in Hershey?
When is the sunrise / sunset in December in Hershey?
How many hours of sunshine does Hershey have in December?
What are the months with the lowest UV index in Hershey?
How high is the UV index in December in Hershey?
Average temperature in December
Hershey, PA
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Hershey, 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
Hershey, PA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Hershey, PA
- Average humidity in December: 79%
The months with the highest relative humidity are February and May (81%).
The months with the lowest relative humidity are March and April (76%).
Average rainfall in December
Hershey, PA
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Hershey, PA
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in December
Hershey, PA
- Average snowfall in December: 1.73"
The month with the highest snowfall is January (3.94").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hershey, PA
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hershey, 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 30min).
Average sunshine days in December
Hershey, PA
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Hershey, 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
Hershey, PA
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Hershey, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are February, May, September and October (5mi).
Hershey, Pennsylvania, USA
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