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
Stepping into December, Hickory Hills observes a temperature decline, with the average high falling from November's chilly 45.9°F (7.7°C) to a cold 36.5°F (2.5°C). In the month of December, Hickory Hills records a consistent average low-temperature of 25.5°F (-3.6°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 84%.Rainfall
In Hickory Hills, in December, it is raining for 11 days, with typically 2.95" (75mm) of accumulated precipitation. In Hickory Hills, during the entire year, the rain falls for 163.6 days and collects up to 35" (889mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Hickory Hills, during December, snow falls for 10.7 days and regularly aggregates up to 5.87" (149mm) of snow. In Hickory Hills, during the entire year, snow falls for 60.9 days and aggregates up to 38.9" (988mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Hickory Hills.On the first day of December in Hickory Hills, sunrise is at 7:09 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:45 pm EST.
Sunshine
The average sunshine in December in Hickory Hills is 3.8h.UV index
December is the month with the lowest UV index in Hickory Hills, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Hickory Hills in December?
What is the most humid month in Hickory Hills?
What is the average humidity in December in Hickory Hills?
How many days does it rain in December in Hickory Hills?
How many days does it snow in December in Hickory Hills?
What is the month with the shortest days in Hickory Hills?
What is the average length of the day in December in Hickory Hills?
When is the sunrise / sunset in December in Hickory Hills?
How many hours of sunshine does Hickory Hills have in December?
What is the month with the lowest UV index in Hickory Hills?
What is the UV index intensity in December in Hickory Hills?
Average temperature in December
Hickory Hills, PA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Hickory Hills, 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
Hickory Hills, 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 (5.2mph).
Average humidity in December
Hickory Hills, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is April (78%).
Average rainfall in December
Hickory Hills, PA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Hickory Hills, PA
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Hickory Hills, PA
- Average snowfall in December: 5.87"
The month with the highest snowfall is February (8.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hickory Hills, PA
- Average snowfall days in December: 10.7 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hickory Hills, PA
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Hickory Hills, PA
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in December
Hickory Hills, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Hickory Hills, PA
- Average cloud cover in December: 61
The months with the most cloud cover are February and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Hickory Hills, 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).
Hickory Hills, Pennsylvania, USA
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