December weather forecastClayton, OH
December
Weather in December
The first month of the winter, December, is also a wintry month in Clayton, Ohio, with an average temperature varying between 38.8°F (3.8°C) and 28.8°F (-1.8°C).Temperature
December brings a decrease in the average high-temperature, shifting from a chilly 49.1°F (9.5°C) in November to an icy 38.8°F (3.8°C). Clayton in December experiences a low-temperature average of 28.8°F (-1.8°C).Humidity
In Clayton, the average relative humidity in December is 82%.Rainfall
In Clayton, in December, during 9.2 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. In Clayton, during the entire year, the rain falls for 133.9 days and collects up to 14.45" (367mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 7.1 days. Throughout December, 0.71" (18mm) of snow is accumulated. Throughout the year, there are 30.2 snowfall days, and 3.82" (97mm) of snow is accumulated.Daylight
December has the shortest days of the year in Clayton, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:40 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:22 pm EST.
Sunshine
In Clayton, the average sunshine in December is 4.1h.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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. 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
Clayton, OH
- Average high temperature in December: 38.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in December
Clayton, OH
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Clayton, OH
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Clayton, OH
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Clayton, OH
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is November (0.83").
Average rainfall days in December
Clayton, OH
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in December
Clayton, OH
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Clayton, OH
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clayton, 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: 4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Clayton, OH
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in December
Clayton, 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
Clayton, OH
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Clayton, 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).
