December weather forecastCleveland Heights, OH
December
Weather in December
The year ends with a full-fledged winter in December, returning to the cold weather patterns experienced at the start of the year. Temperatures range from a high of 37.6°F (3.1°C) to a low of 29.1°F (-1.6°C), painting a cold climatic scenery. With heavy snowfall, residents need to gear up for winter conditions once again. As daytime shortens and nights lengthen, December's weather is characterized by its chill and snow. With the year's end, Cleveland Heights prepares to greet another year of diverse weather patterns.Temperature
December involves a decrease in temperature, down from a frosty 47.1°F (8.4°C) in November to an icy 37.6°F (3.1°C). Cleveland Heights maintains a near steady average temperature of 29.1°F (-1.6°C) during the nights of December, demonstrating little drop from daytime highs.Humidity
In December, the average relative humidity is 83%.Rainfall
In Cleveland Heights, during December, the rain falls for 8.5 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 158.6 rainfall days, and 28.5" (724mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Cleveland Heights, in December, during 13.9 snowfall days, 4.76" (121mm) of snow is typically accumulated. Throughout the year, there are 64.7 snowfall days, and 23.03" (585mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:33 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:52 am and sunset at 5:06 pm EST.
Sunshine
In December, the average sunshine is 3h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cleveland Heights, OH
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 29.1°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 (21°F).
Average pressure in December
Cleveland Heights, OH
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Cleveland Heights, OH
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6mph).
Average humidity in December
Cleveland Heights, OH
- Average humidity in December: 83%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in December
Cleveland Heights, OH
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is June (3.07").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in December
Cleveland Heights, OH
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in December
Cleveland Heights, OH
- Average snowfall in December: 4.76"
The month with the highest snowfall is January (6.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Cleveland Heights, OH
- Average snowfall days in December: 13.9 days
The month with the highest number of snowfall days is January (17.8 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
Cleveland Heights, OH
- Average daylight in December: 9h and 12min
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 12min).
- Average sunshine in December: 3h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Cleveland Heights, OH
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is July (13.5 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in December
Cleveland Heights, OH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Cleveland Heights, OH
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Cleveland Heights, OH
- Average visibility in December: 6mi
The months with the highest visibility are April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and March (5mi).





