Missouri, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Unionville, MO

December, the first month of the winter, in Unionville, is still a cold month, with average temperature ranging between min 16.7°F (-8.5°C) and max 36.1°F (2.3°C).


In Unionville, the average high-temperature drops, from a fresh 50.4°F (10.2°C) in November, to a cold 36.1°F (2.3°C). The average low-temperature, is 16.7°F (-8.5°C).


In Unionville, 1.9" (48.8mm) of precipitation is typically accumulated. Throughout the year, in Unionville, Missouri, 40.9" (1038.8mm) of rain is accumulated.


Months with snowfall in Unionville are January through April, November and December. Throughout December, in Unionville, 6.4" (162.6mm) of snow is accumulated. In Unionville, during the entire year, snow aggregates up to 23.5" (596.9mm).


With an average of 9.3h of daylight, December has the shortest days of the year in Unionville.

What is the temperature in December in Unionville?

The average high-temperature, in December, in Unionville, is 36.1°F (2.3°C), while the average low-temperature is 16.7°F (-8.5°C).

How much does it rain in Unionville in December?

Throughout December, in Unionville, Missouri, 1.9" (48.8mm) of precipitation is accumulated.

How much does it snow in Unionville in December?

During December, Unionville regularly aggregates up to 6.4" (162.6mm) of snow.

What is the month with the shortest days in Unionville?

The month with the shortest days in Unionville, Missouri, is December, with an average of 9.3h of daylight.

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

In Unionville, the average length of the day in December is 9.3h.
Average temperature in December - Unionville, MO
  • Average high temperature in December: 36.2°F

The warmest month (with the highest average high temperature) is July (86.1°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in December: 16.7°F

The month with the highest average low temperature is July (63.6°F).
The coldest month (with the lowest average low temperature) is January (15.2°F).

Average rainfall in December - Unionville, MO
  • Average rainfall in December: 1.9"

The wettest month (with the highest rainfall) is July (5.7").
The driest month (with the lowest rainfall) is January (1.1").

Average snowfall in December - Unionville, MO
  • Average snowfall in December: 6.4"

The month with the highest snowfall is February (7.3").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average daylight in December - Unionville, MO
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).