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

December weather forecast and climate
Mason, OH

The first month of the winter, December, is still a chilly month in Mason, Ohio, with temperature in the range of an average low of 24.1°F (-4.4°C) and an average high of 43°F (6.1°C).


In Mason, the average high-temperature drops, from a cool 54°F (12.2°C) in November, to a chilly 43°F (6.1°C). The average low-temperature, in Mason, is 24.1°F (-4.4°C).


During December, Mason regularly aggregates up to 3.4" (85.1mm) of precipitation. During the entire year, Mason aggregates up to 44.7" (1134.9mm) of precipitation.


With an average of 9.4h of daylight, December has the shortest days of the year.

What is the temperature in December in Mason?

In December, in Mason, the average high-temperature is 43°F (6.1°C), and the average low-temperature is 24.1°F (-4.4°C).

How much does it rain in Mason in December?

Throughout December, in Mason, Ohio, 3.4" (85.1mm) of precipitation is accumulated.

What is the month with the shortest days in Mason?

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

How many hours of daylight does Mason have in December?

In December, the average length of the day in Mason is 9.4h.
Average temperature in December - Mason, OH
  • Average high temperature in December: 43°F

The warmest month (with the highest average high temperature) is July (87°F).
The month with the lowest average high temperature is January (38°F).

  • Average low temperature in December: 24°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19°F).

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

The wettest month (with the highest rainfall) is May (5").
The driest month (with the lowest rainfall) is February (2.7").

Average daylight in December - Mason, OH
  • Average daylight in December: 9.4h

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