December weather forecastMount Pleasant, OH
December
Weather in December
The first month of the winter, December, is still a cold month in Mount Pleasant, Ohio, with an average temperature fluctuating between 28°F (-2.2°C) and 39.9°F (4.4°C).Temperature
The average high-temperature drops in December, from November's chilly 49.3°F (9.6°C) to an icy 39.9°F (4.4°C). Throughout the month of December, the nighttime temperature dips to an average of 28°F (-2.2°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In December, the rain falls for 11.7 days. Throughout December, 2.17" (55mm) of precipitation is accumulated. In Mount Pleasant, during the entire year, the rain falls for 166.3 days and collects up to 25.94" (659mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Mount Pleasant, during December, snow falls for 10.5 days and regularly aggregates up to 2.6" (66mm) of snow. In Mount Pleasant, during the entire year, snow falls for 50.4 days and aggregates up to 14.06" (357mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Mount Pleasant, Ohio, sunrise is at 7:26 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:07 pm EST.
Sunshine
In Mount Pleasant, the average sunshine in December is 3.5h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 1 during December leads to these advisories:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mount Pleasant, OH
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Mount Pleasant, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Mount Pleasant, OH
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in December
Mount Pleasant, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are April and August (77%).
Average rainfall in December
Mount Pleasant, OH
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in December
Mount Pleasant, OH
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in December
Mount Pleasant, OH
- Average snowfall in December: 2.6"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mount Pleasant, OH
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is January (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Pleasant, OH
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Mount Pleasant, OH
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in December
Mount Pleasant, OH
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Mount Pleasant, OH
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Mount Pleasant, OH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).





