December weather forecastFranklin, MI
December
Weather in December
December, the first month of the winter in Franklin, is also an icy month, with an average temperature fluctuating between 25.9°F (-3.4°C) and 34.5°F (1.4°C).Temperature
The move into December indicates a reduction in the average high-temperature, down from November's frosty 45.3°F (7.4°C) to an icy 34.5°F (1.4°C). Franklin records a consistent average nighttime temperature of 25.9°F (-3.4°C) in December, slightly lower than the daytime high.Humidity
The average relative humidity in December is 83%.Rainfall
The months with the least rainfall in Franklin are February and December Rain falls for 6 days and accumulates 0.63" (16mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Franklin, during December, snow falls for 8.5 days and regularly aggregates up to 0.98" (25mm) of snow. In Franklin, during the entire year, snow falls for 44.4 days and aggregates up to 7.8" (198mm) of snow.Daylight
The month with the shortest days in Franklin is December, with an average of 9h and 6min of daylight.On the first day of the month, sunrise is at 7:43 am and sunset at 5:01 pm. On the last day of December, sunrise is at 8:02 am and sunset at 5:10 pm EST.
Sunshine
In December, the average sunshine is 3.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 1 in December leads to these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Franklin, MI
- Average high temperature in December: 34.5°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 (28.2°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Franklin, MI
- Average pressure in December: 30.08"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Franklin, MI
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Franklin, MI
- Average humidity in December: 83%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in December
Franklin, MI
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is May (1.61").
The driest months (with the least rainfall) are February and December (0.63").
Average rainfall days in December
Franklin, MI
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Franklin, MI
- Average snowfall in December: 0.98"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Franklin, MI
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (12.6 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, MI
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Franklin, MI
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in December
Franklin, MI
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Franklin, MI
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in December
Franklin, MI
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
