December weather forecastPlainfield, OH
December
Weather in December
The first month of the winter, December, is also an icy month in Plainfield, Ohio, with temperature in the range of an average low of 28.2°F (-2.1°C) and an average high of 39.2°F (4°C).Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a frosty 49.1°F (9.5°C) in November to a wintry 39.2°F (4°C). Plainfield registers a consistent average low-temperature of 28.2°F (-2.1°C) during December.Humidity
The average relative humidity in December in Plainfield is 83%.Rainfall
In December, in Plainfield, the rain falls for 9 days. Throughout December, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 137.2 rainfall days, and 17.6" (447mm) of precipitation is accumulated.Snowfall
Months with snowfall in Plainfield are January through April, November and December. In Plainfield, during December, snow falls for 5.7 days and regularly aggregates up to 1.06" (27mm) of snow. Throughout the year, there are 33.4 snowfall days, and 7.56" (192mm) of snow is accumulated.Daylight
The month with the shortest days in Plainfield is December, with an average of 9h and 24min of daylight.On the first day of December in Plainfield, sunrise is at 7:30 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:11 pm EST.
Sunshine
In Plainfield, the average sunshine in December is 3.8h.UV index
The months with the lowest UV index in Plainfield are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plainfield, OH
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (32.7°F).
- Average low temperature in December: 28.2°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 (19.9°F).
Average pressure in December
Plainfield, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Plainfield, OH
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Plainfield, 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 and November (77%).
Average rainfall in December
Plainfield, OH
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in December
Plainfield, OH
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is May (16.4 days).
The months with the least rainy days are February and November (7.7 days).
Average snowfall in December
Plainfield, OH
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Plainfield, OH
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Plainfield, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Plainfield, OH
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11 days).
Average UV index in December
Plainfield, 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, October, November and December (UV index 2).
Average cloud cover in December
Plainfield, OH
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Plainfield, OH
- Average visibility in December: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).





