December weather forecastChester, OH
December
Weather in December
The first month of the winter, December, is also a frosty month in Chester, Ohio, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 42.8°F (6°C).Temperature
Welcoming December, Chester observes a shift in the average high-temperature, falling from November's fresh 52.5°F (11.4°C) to a chilly 42.8°F (6°C). Throughout the nights in December, an average low-temperature of 31.1°F (-0.5°C) is noted.Humidity
In Chester, Ohio, the average relative humidity in December is 81%.Rainfall
In Chester, in December, during 12.4 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Chester, during the entire year, the rain falls for 170.5 days and collects up to 33.39" (848mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Chester, Ohio, during December, snow falls for 8.1 days and regularly aggregates up to 2.28" (58mm) of snow. Throughout the year, there are 39.1 snowfall days, and 13.35" (339mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:28 am and sunset at 5:05 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:15 pm EST.
Sunshine
In December, the average sunshine is 3.9h.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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chester, OH
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in December
Chester, OH
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Chester, OH
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Chester, OH
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Chester, OH
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Chester, OH
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in December
Chester, OH
- Average snowfall in December: 2.28"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Chester, OH
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Chester, 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: 3h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Chester, OH
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in December
Chester, 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
Chester, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Chester, 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).
