December weather forecast and climate
Franklin, OH

December, the first month of the winter, in Franklin, is still a cold month, with average temperature fluctuating between 39.9°F (4.4°C) and 29.3°F (-1.5°C).

Temperature

In Franklin, Ohio, the average high-temperature decreases, from a frosty 49.6°F (9.8°C) in November, to a cold 39.9°F (4.4°C). In Franklin, in December, the average low-temperature is 29.3°F (-1.5°C).

Humidity

The average relative humidity in Franklin, Ohio, is 81%.

Rainfall

In Franklin, during December, the rain falls for 9.8 days and regularly aggregates up to 1.57" (40mm) of precipitation. In Franklin, during the entire year, the rain falls for 139.3 days and collects up to 19.92" (506mm) of precipitation.

Snowfall

Months with snowfall in Franklin are January through April, October through December. In December, it is snowing for 6.3 days. Throughout December, 1.61" (41mm) of snow is accumulated. Throughout the year, there are 29.2 snowfall days, and 7.44" (189mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Franklin, Ohio, with an average of 9.4h of daylight.

Sunshine

The average sunshine in Franklin is 4.1h.

UV index

Months with the lowest UV index in Franklin are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 2 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Franklin?

The average high-temperature, in December, is 39.9°F (4.4°C), while the average low-temperature is 29.3°F (-1.5°C).

What is the average humidity in December in Franklin?

In Franklin, Ohio, the average relative humidity in December is 81%.

How many days does it rain in December in Franklin?

In Franklin, in December, during 9.8 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

How many days does it snow in December in Franklin?

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

What is the month with the shortest days in Franklin?

The month with the shortest days in Franklin, Ohio, is December, with an average of 9.4h of daylight.

How many hours of daylight does Franklin have in December?

In Franklin, the average length of the day in December is 9.4h.

How long on average sun shines in December in Franklin?

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

What is the month with the lowest UV index in Franklin?

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

What is the UV index intensity in December in Franklin?

The average daily maximum UV index in December in Franklin, Ohio, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in December - Franklin, OH
  • Average high temperature in December: 4.4°C

The warmest month (with the highest average high temperature) is July (27.5°C).
The month with the lowest average high temperature is January (1.1°C).

  • Average low temperature in December: -1.5°C

The month with the highest average low temperature is July (18.3°C).
The coldest month (with the lowest average low temperature) is January (-5.5°C).

Average pressure in December - Franklin, OH
  • Average pressure in December: 1020.1mbar

The month with the highest atmospheric pressure is November (1020.6mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

Average wind speed in December - Franklin, OH
  • Average wind speed in December: 14.5km/h

The windiest month (with the highest average wind speed) is January (15.8km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

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: 40mm

The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is October (30mm).

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: 41mm

The month with the highest snowfall is February (45mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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).
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: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 4.1h

Months with the most sunshine are June and August (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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: 2

Months with the highest UV index are May, June, July and August (UV index 6).
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: 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: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).