December weather forecastMesopotamia, OH
December
Weather in December
The first month of the winter, December, is still a cold month in Mesopotamia, Ohio, with an average temperature ranging between max 37.2°F (2.9°C) and min 27.5°F (-2.5°C).Temperature
Start of December brings a shift in the average high-temperature, falling from November's frosty 46.8°F (8.2°C) to a cold 37.2°F (2.9°C). Mesopotamia, during the nights of December, experiences an average temperature drop to a subzero cold 27.5°F (-2.5°C).Humidity
The average relative humidity in December is 86%.Rainfall
In Mesopotamia, during December, the rain falls for 10.6 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 175 rainfall days, and 35.08" (891mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 16.6 days. Throughout December, 7.6" (193mm) of snow is accumulated. Throughout the year, there are 80.6 snowfall days, and 37.28" (947mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:31 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:04 pm EST.
Sunshine
The average sunshine in December is 2.8h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily UV index of 1 turns into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mesopotamia, OH
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Mesopotamia, OH
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Mesopotamia, OH
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Mesopotamia, OH
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Mesopotamia, OH
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Mesopotamia, OH
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Mesopotamia, OH
- Average snowfall in December: 7.6"
The month with the highest snowfall is January (9.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mesopotamia, OH
- Average snowfall days in December: 16.6 days
The month with the highest number of snowfall days is January (20.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mesopotamia, OH
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in December
Mesopotamia, OH
- Average sunshine days in December: 7.9 days
The month with the most sunshine days is September (11.8 days).
The month with the least sunshine days is February (6.1 days).
Average UV index in December
Mesopotamia, OH
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Mesopotamia, OH
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Mesopotamia, OH
- Average visibility in December: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).





