December weather forecastGermantown, OH
December
Weather in December
The first month of the winter, December, is still a cold month in Germantown, Ohio, with temperature in the range of an average high of 39.6°F (4.2°C) and an average low of 29.1°F (-1.6°C).Temperature
In Germantown, the average high-temperature in December decreases from a chilly 49.1°F (9.5°C) in November to a wintry 39.6°F (4.2°C). In December, Germantown experiences a temperature dip to an average of 29.1°F (-1.6°C) at night.Humidity
January, February and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Germantown, during December, the rain falls for 9.7 days and regularly aggregates up to 1.69" (43mm) of precipitation. In Germantown, during the entire year, the rain falls for 148.2 days and collects up to 22.95" (583mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Germantown, during December, snow falls for 6.9 days and regularly aggregates up to 1.61" (41mm) of snow. Throughout the year, there are 29.3 snowfall days, and 8.35" (212mm) 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, sunrise is at 7:39 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:23 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Germantown, Ohio. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Boost your sun resistance with garments that are densely woven yet spacious. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Germantown, OH
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Germantown, OH
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Germantown, OH
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Germantown, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Germantown, OH
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Germantown, OH
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in December
Germantown, OH
- Average snowfall in December: 1.61"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Germantown, OH
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Germantown, OH
- Average daylight in December: 9h and 24min
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 24min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Germantown, OH
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in December
Germantown, OH
- Average UV index in December: 2
The months with the highest UV index are 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
Germantown, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Germantown, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
