December weather forecastMarlboro, OH
December
Weather in December
December, the first month of the winter in Marlboro, is still a cold month, with an average temperature fluctuating between 37.9°F (3.3°C) and 27°F (-2.8°C).Temperature
With the beginning of December, the average high-temperature shows a decrease, transitioning from a chilly 48°F (8.9°C) in November to a wintry 37.9°F (3.3°C). Marlboro cools down to an average low-temperature of 27°F (-2.8°C) throughout the month of December.Humidity
The average relative humidity in December is 85%.Rainfall
In Marlboro, during December, the rain falls for 10.4 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Marlboro, during the entire year, the rain falls for 173.2 days and collects up to 30.35" (771mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 14.5 days. Throughout December, 4.72" (120mm) of snow is accumulated. Throughout the year, there are 70.4 snowfall days, and 25.63" (651mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of December in Marlboro, sunrise is at 7:30 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:06 pm EST.
Sunshine
The average sunshine in December is 3.2h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, an average UV index of 1 transforms into the following instructions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Marlboro, OH
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Marlboro, OH
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Marlboro, OH
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Marlboro, OH
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in December
Marlboro, OH
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Marlboro, OH
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Marlboro, OH
- Average snowfall in December: 4.72"
The month with the highest snowfall is January (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Marlboro, OH
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marlboro, OH
- Average daylight in December: 9h and 18min
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 18min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Marlboro, OH
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (7.7 days).
Average UV index in December
Marlboro, 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
Marlboro, OH
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Marlboro, OH
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
