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
A moderate decline in the average high-temperature is seen during December, decreasing from a frosty 47.5°F (8.6°C) in November to a cold 38.1°F (3.4°C). Throughout December, the average low-temperature records at a freezing cold 27.3°F (-2.6°C).Humidity
February and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In December, the rain falls for 4.5 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 66.7 rainfall days, and 6.38" (162mm) of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall. In December, it is snowing for 3.8 days. Throughout December, 0.43" (11mm) of snow is accumulated. Throughout the year, there are 21.5 snowfall days, and 3.15" (80mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 4:36 pm. On the last day of December, sunrise is at 7:28 am and sunset at 4:46 pm EST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Hometown?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Hometown have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Hometown, PA
- Average high temperature in December: 38.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Hometown, 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
Hometown, PA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Hometown, PA
- Average humidity in December: 83%
The months with the highest relative humidity are February and December (83%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Hometown, PA
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in December
Hometown, PA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is April (8.1 days).
The month with the least rainy days is November (3.5 days).
Average snowfall in December
Hometown, PA
- Average snowfall in December: 0.43"
The months with the highest snowfall are January and November (0.71").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Hometown, PA
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hometown, 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: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Hometown, PA
- Average sunshine days in December: 24.9 days
The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is May (19.9 days).
Average UV index in December
Hometown, PA
- Average UV index in December: 2
The month with the highest UV index is 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
Hometown, PA
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Hometown, PA
- Average visibility in December: 5mi
The months with the highest visibility are March and April (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (5mi).
Hometown, Pennsylvania, USA
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