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 implies a gentle temperature shift, with average high-temperatures reducing from November's chilly 45.7°F (7.6°C) to a wintry 36.1°F (2.3°C). Franklin, during December nights, observes an average temperature of 25.7°F (-3.5°C).Humidity
In December, the average relative humidity is 87%.Rainfall
In Franklin, Pennsylvania, during December, the rain falls for 12.3 days and regularly aggregates up to 2.99" (76mm) of precipitation. In Franklin, during the entire year, the rain falls for 186 days and collects up to 38.03" (966mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Franklin, in December, snow falls for 17.5 days, with typically accumulated 7.99" (203mm) of snow. In Franklin, during the entire year, snow falls for 87.8 days and aggregates up to 42.95" (1091mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:26 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:59 pm EST.
Sunshine
In Franklin, the average sunshine in December is 2.6h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 1 in December transforms into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in Franklin in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Franklin have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Franklin have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Franklin, PA
- Average high temperature in December: 36.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in December
Franklin, 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
Franklin, PA
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Franklin, PA
- Average humidity in December: 87%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are May, June and July (79%).
Average rainfall in December
Franklin, PA
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is April (4.09").
The driest month (with the least rainfall) is November (2.44").
Average rainfall days in December
Franklin, PA
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Franklin, PA
- Average snowfall in December: 7.99"
The month with the highest snowfall is January (11.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Franklin, PA
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Franklin, 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: 2h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Franklin, PA
- Average sunshine days in December: 7.5 days
The month with the most sunshine days is November (11.3 days).
The month with the least sunshine days is February (5 days).
Average UV index in December
Franklin, 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
Franklin, PA
- Average cloud cover in December: 73
The month with the most cloud cover is January (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Franklin, PA
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are January, February, September and December (4mi).
Franklin, Pennsylvania, USA
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