Cincinnati
Ohio, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Cincinnati, OH

A beautiful park in spring next to the John A Roebling suspension bridge in Cincinnati, Ohio
A beautiful park in spring next to the John A Roebling suspension bridge in Cincinnati, Ohio
The first month of the winter, December, is also a wintry month in Cincinnati, Ohio, with average temperature ranging between min 26.6°F (-3°C) and max 41.5°F (5.3°C).

Temperature

In December, the average high-temperature decreases, from a fresh 54°F (12.2°C) in November, to a wintry 41.5°F (5.3°C). In December, the average low-temperature is 26.6°F (-3°C).

Humidity

December is the most humid month in Cincinnati, Ohio, with an average relative humidity of 73.8%.

Rainfall

In Cincinnati, it is raining for 12.5 days, with typically 3.4" (85.6mm) of accumulated precipitation. Throughout the year, in Cincinnati, there are 132.4 rainfall days, and 42.5" (1080mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Cincinnati. In December, it is snowing for 4.9 days. Throughout December, 4.8" (121.9mm) of snow is accumulated. In Cincinnati, during the entire year, snow falls for 20.8 days, and aggregates up to 22.1" (561.4mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9.5h of daylight.

Sunshine

With an average of 3.2h of sunshine, December has the least sunshine of the year in Cincinnati.

UV index

Months with the lowest UV index in Cincinnati are January, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Cincinnati?

The average high-temperature, in December, in Cincinnati, Ohio, is 41.5°F (5.3°C), while the average low-temperature is 26.6°F (-3°C).

What is the most humid month in Cincinnati?

With an average relative humidity of 73.8%, December is the most humid month in Cincinnati, Ohio.

What is the average humidity in December in Cincinnati?

The average relative humidity in December in Cincinnati is 73.8%.

How much does it rain in Cincinnati in December?

In Cincinnati, in December, during 12.5 rainfall days, 3.4" (85.6mm) of precipitation is typically accumulated.

How many days does it snow in December in Cincinnati?

In Cincinnati, in December, during 4.9 snowfall days, 4.8" (121.9mm) of snow is typically accumulated.

What is the month with the shortest days in Cincinnati?

The month with the shortest days in Cincinnati is December, with an average of 9.5h of daylight.

What is the average length of the day in December in Cincinnati?

In December, the average length of the day in Cincinnati is 9.5h.

What is the month with the least sunshine in Cincinnati?

With an average of 3.2h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Cincinnati have in December?

In Cincinnati, Ohio, the average sunshine in December is 3.2h.

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

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

What is the UV index reading in December in Cincinnati?

In December, the average daily maximum UV index in Cincinnati, Ohio, is 2. A UV Index of 2, and less, symbolizes a low health threat from unsafe exposure to the Sun's UV rays.
Average temperature in December - Cincinnati, OH
  • Average high temperature in December: 41.6°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 26.6°F

The month with the highest average low temperature is July (66.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average humidity in December - Cincinnati, OH
  • Average humidity in December: 73.8%

The month with the highest relative humidity is December (73.8%).
The month with the lowest relative humidity is April (62.8%).

Average rainfall in December - Cincinnati, OH
  • Average rainfall in December: 3.4"

The wettest month (with the highest rainfall) is May (4.9").
The driest month (with the lowest rainfall) is September (2.6").

Average rainfall days in December - Cincinnati, OH
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is May (12.8 days).
The month with the lowest number of rainy days is September (7.7 days).

Average snowfall in December - Cincinnati, OH
  • Average snowfall in December: 4.8"

Months with the highest snowfall are January and February (6.5").
Months with the lowest snowfall are May, June, July, August and September (0").

Average snowfall days in December - Cincinnati, OH
  • Average snowfall days in December: 4.9 days

The month with the highest number of snowfall days is January (6.5 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average daylight in December / Average sunshine in December - Cincinnati, OH
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 3.2h

The month with most sunshine is June (Average sunshine: 9.2h).
The month with least sunshine is December (Average sunshine: 3.2h).

Average UV index in December - Cincinnati, OH
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).