December weather forecastChesterhill, OH
December
Weather in December
December, the first month of the winter in Chesterhill, is also a wintry month, with an average temperature varying between 41.5°F (5.3°C) and 29.7°F (-1.3°C).Temperature
A shift in Chesterhill's weather is observed as November turns into December, with the average high temperature reducing from a cool 50.9°F (10.5°C) to a wintry 41.5°F (5.3°C). Throughout the month of December, Chesterhill observes an average nighttime temperature of 29.7°F (-1.3°C).Humidity
In Chesterhill, the average relative humidity in December is 82%.Rainfall
In Chesterhill, during December, the rain falls for 11.6 days and regularly aggregates up to 2.72" (69mm) of precipitation. Throughout the year, there are 161.8 rainfall days, and 30.04" (763mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Chesterhill. In December, in Chesterhill, it is snowing for 8.1 days. Throughout December, 1.57" (40mm) of snow is accumulated. Throughout the year, in Chesterhill, there are 38.3 snowfall days, and 11.38" (289mm) 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 7:29 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:13 pm EST.
Sunshine
The average sunshine in December is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Chesterhill. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chesterhill, OH
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 29.7°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Chesterhill, OH
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Chesterhill, OH
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in December
Chesterhill, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Chesterhill, OH
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Chesterhill, OH
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (10 days).
Average snowfall in December
Chesterhill, OH
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (3.43").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Chesterhill, OH
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Chesterhill, 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: 3h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Chesterhill, OH
- Average sunshine days in December: 13 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in December
Chesterhill, 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
Chesterhill, 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
Chesterhill, 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).





