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
During the transition into December, Franklin observes a decrease in the average high-temperature, falling from a cool 50.2°F (10.1°C) in November to a wintry 39.7°F (4.3°C). Nighttime temperatures hover around an average low of 28.8°F (-1.8°C) in December.Humidity
The months with the highest humidity are July and December, with an average relative humidity of 82%.Rainfall
In Franklin, Indiana, in December, during 10.8 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 156.3 rainfall days, and 30.16" (766mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Franklin, in December, snow falls for 7.6 days, with typically accumulated 2.24" (57mm) of snow. In Franklin, during the entire year, snow falls for 34.2 days and aggregates up to 9.29" (236mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:46 am and sunset at 5:20 pm. On the last day of December, sunrise is at 8:04 am and sunset at 5:30 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Franklin have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Franklin, IN
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Franklin, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Franklin, IN
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Franklin, IN
- Average humidity in December: 82%
The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Franklin, IN
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in December
Franklin, IN
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Franklin, IN
- Average snowfall in December: 2.24"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Franklin, IN
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (9.8 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, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Franklin, IN
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Franklin, IN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Franklin, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Franklin, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Franklin, Indiana, USA
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