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 average high-temperature drops in December, from November's frosty 45.7°F (7.6°C) to an icy 36°F (2.2°C). Hettesheimer Corners records an average low-temperature of 25.7°F (-3.5°C) throughout the month of December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 84%.Rainfall
In December, in Hettesheimer Corners, Pennsylvania, the rain falls for 10.3 days. Throughout December, 2.17" (55mm) of precipitation is accumulated. In Hettesheimer Corners, during the entire year, the rain falls for 166.2 days and collects up to 30.83" (783mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Hettesheimer Corners. In Hettesheimer Corners, in December, snow falls for 11.1 days, with typically accumulated 4.33" (110mm) of snow. Throughout the year, there are 57.9 snowfall days, and 29.53" (750mm) of snow is accumulated.Daylight
December has the shortest days of the year in Hettesheimer Corners, with an average of 9h and 12min of daylight.On the first day of December in Hettesheimer Corners, Pennsylvania, sunrise is at 7:11 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:44 pm EST.
Sunshine
In December, the average sunshine in Hettesheimer Corners, Pennsylvania, is 3.8h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Hettesheimer Corners. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: An average UV index of 1 in December transforms into this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
How cold is it in Hettesheimer Corners in December?
What are the most humid months in Hettesheimer Corners?
What is the average humidity in December in Hettesheimer Corners?
How many days does it rain in December in Hettesheimer Corners?
How much does it snow in Hettesheimer Corners in December?
What is the month with the shortest days in Hettesheimer Corners?
What is the average length of the day in December in Hettesheimer Corners?
When is the sunrise / sunset in December in Hettesheimer Corners?
How long on average sun shines in December in Hettesheimer Corners?
What are the months with the lowest UV index in Hettesheimer Corners?
What is the UV index intensity in December in Hettesheimer Corners?
Average temperature in December
Hettesheimer Corners, PA
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in December
Hettesheimer Corners, 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
Hettesheimer Corners, PA
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Hettesheimer Corners, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in December
Hettesheimer Corners, PA
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is January (2.01").
Average rainfall days in December
Hettesheimer Corners, PA
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Hettesheimer Corners, PA
- Average snowfall in December: 4.33"
The month with the highest snowfall is February (8.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hettesheimer Corners, PA
- Average snowfall days in December: 11.1 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hettesheimer Corners, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).
Average sunshine days in December
Hettesheimer Corners, PA
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Hettesheimer Corners, 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
Hettesheimer Corners, PA
- Average cloud cover in December: 62
The months with the most cloud cover are February and December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in December
Hettesheimer Corners, 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).
Hettesheimer Corners, Pennsylvania, USA
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