December weather forecastOpperman, OH
December
Weather in December
The first month of the winter, December, is still a cold month in Opperman, Ohio, with an average temperature fluctuating between 40.3°F (4.6°C) and 28.6°F (-1.9°C).Temperature
The shift from November to December corresponds with a decrease in the average high-temperature, down to a cold 40.3°F (4.6°C) from a chilly 49.8°F (9.9°C). Opperman experiences an average nighttime temperature of 28.6°F (-1.9°C) in the month of December.Humidity
In December, the average relative humidity is 83%.Rainfall
In December, the rain falls for 8.7 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 123.8 rainfall days, and 11.3" (287mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Opperman, in December, snow falls for 7.5 days, with typically accumulated 0.75" (19mm) of snow. Throughout the year, there are 39 snowfall days, and 5.28" (134mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December in Opperman, sunrise is at 7:29 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:11 pm EST.
Sunshine
In Opperman, Ohio, the average sunshine in December is 3.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. When the Sun is at its strongest around midday, find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Opperman, OH
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in December
Opperman, OH
- Average pressure in December: 30.12"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
Opperman, OH
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Opperman, 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, June, July, August and November (77%).
Average rainfall in December
Opperman, OH
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is June (1.26").
The driest months (with the least rainfall) are September and November (0.67").
Average rainfall days in December
Opperman, OH
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in December
Opperman, OH
- Average snowfall in December: 0.75"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Opperman, OH
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Opperman, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Opperman, OH
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is February (13.6 days).
Average UV index in December
Opperman, OH
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Opperman, OH
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Opperman, 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, February, March, May, June, July, August, September, October and December (5mi).
