December weather forecastGlen Jean, OH
December
Weather in December
December, the first month of the winter in Glen Jean, is also an icy month, with an average temperature varying between 30.7°F (-0.7°C) and 41.9°F (5.5°C).Temperature
With the onset of December, Glen Jean's average high-temperature adjusts, receding from November's fresh 51.6°F (10.9°C) to a wintry 41.9°F (5.5°C). During the December nights, an average temperature of 30.7°F (-0.7°C) is observed.Humidity
The months with the highest humidity in Glen Jean are January, February and December, with an average relative humidity of 81%.Rainfall
In December, in Glen Jean, the rain falls for 12.3 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. In Glen Jean, during the entire year, the rain falls for 163.5 days and collects up to 27.17" (690mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Glen Jean, in December, snow falls for 8.3 days, with typically accumulated 1.81" (46mm) of snow. In Glen Jean, during the entire year, snow falls for 36.6 days and aggregates up to 9.69" (246mm) of snow.Daylight
The month with the shortest days in Glen Jean is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:32 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:19 pm EST.
Sunshine
The average sunshine in December in Glen Jean is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Glen Jean. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Glen Jean, OH
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Glen Jean, OH
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Glen Jean, OH
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Glen Jean, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is November (75%).
Average rainfall in December
Glen Jean, OH
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Glen Jean, OH
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Glen Jean, OH
- Average snowfall in December: 1.81"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Glen Jean, OH
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Glen Jean, OH
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Glen Jean, OH
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Glen Jean, OH
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Glen Jean, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Glen Jean, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July, August and September (5mi).





