December weather forecast
Franklin, OH

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Weather in December

December, the first month of the winter in Franklin, is also an icy month, with an average temperature varying between 29.3°F (-1.5°C) and 39.9°F (4.4°C).

Temperature

The commencement of December indicates a shift in the average high-temperature, receding from November's frosty 49.6°F (9.8°C) to a wintry 39.9°F (4.4°C). Throughout December, a steady low-temperature average of 29.3°F (-1.5°C) is noted.

Humidity

The average relative humidity in December is 81%.

Rainfall

In Franklin, in December, it is raining for 9.8 days, with typically 1.57" (40mm) of accumulated precipitation. In Franklin, during the entire year, the rain falls for 139.3 days and collects up to 19.92" (506mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Franklin. In Franklin, during December, snow falls for 6.3 days and regularly aggregates up to 1.61" (41mm) of snow. In Franklin, during the entire year, snow falls for 29.2 days and aggregates up to 7.44" (189mm) 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 7:39 am and sunset at 5:13 pm. On the last day of December, sunrise is at 7:57 am and sunset at 5:23 pm EST.

Sunshine

In Franklin, the average sunshine in December is 4.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold in Franklin during December?

The high-temperature, in December, in Franklin, is 39.9°F (4.4°C), while the low-temperature averages to 29.3°F (-1.5°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How many days does it rain in December?

In Franklin, during December, the rain falls for 9.8 days and regularly aggregates up to 1.57" (40mm) of precipitation.

How much does it snow in December?

In December, it is snowing for 6.3 days. Throughout December, 1.61" (41mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Franklin, the average day length in December is 9h and 26min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:39 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:23 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.1h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Franklin.

How high is the UV index in December in Franklin?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Franklin, OH

Average temperature in December - Franklin, OH
  • Average high temperature in December: 39.9°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in December: 29.3°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in December
Franklin, OH

Average pressure in December - Franklin, OH
  • Average pressure in December: 30.12"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Franklin, OH

Average wind speed in December - Franklin, OH
  • Average wind speed in December: 9mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Franklin, OH

Average humidity in December - Franklin, OH
  • Average humidity in December: 81%

The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Franklin, OH

Average rainfall in December - Franklin, OH
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is October (1.18").

Average rainfall days in December
Franklin, OH

Average rainfall days in December - Franklin, OH
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in December
Franklin, OH

Average snowfall in December - Franklin, OH
  • Average snowfall in December: 1.61"

The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Franklin, OH

Average snowfall days in December - Franklin, OH
  • Average snowfall days in December: 6.3 days

The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Franklin, OH

Average daylight in December / Average sunshine in December - Franklin, OH
  • 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 August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Franklin, OH

Average sunshine days in December - Franklin, OH
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is May (12 days).

Average UV index in December
Franklin, OH

Average UV index in December - Franklin, OH
  • 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, November and December (UV index 2).

Average cloud cover in December
Franklin, OH

Average cloud cover in December - Franklin, OH
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Franklin, OH

Average visibility in December - Franklin, OH
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Franklin, Ohio, USA

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