Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 47.1°F (8.4°C) in November to an icy 37.8°F (3.2°C). Cleveland's December nights witness minimal differential from the daytime temperatures, with averages of 29.8°F (-1.2°C).Humidity
In Cleveland, the average relative humidity in December is 81%.Rainfall
In Cleveland, in December, during 9.7 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. Throughout the year, there are 150.7 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
Months with snowfall in Cleveland, Ohio, are January through April, November and December. In December, in Cleveland, it is snowing for 12.1 days. Throughout December, 2.13" (54mm) of snow is accumulated. Throughout the year, there are 58.6 snowfall days, and 10.91" (277mm) of snow is accumulated.Ocean temperature
In December, the average ocean temperature is 39.4°F (4.1°C).Note: In swimming engagements, this poses immediate life-threatening risks. The loss of breath control is instantaneous, thereby hindering clear thought. A specialized swimsuit is mandatory to limit thermal dissipation.
Daylight
The month with the shortest days in Cleveland is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:34 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:53 am and sunset at 5:07 pm EST.
Sunshine
In December, the average sunshine is 3.1h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index in Cleveland. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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
How cold does it get in Cleveland in December?
What is the average humidity in December in Cleveland?
How much does it rain in Cleveland in December?
How many days does it snow in December in Cleveland?
How cold is the water in December in Cleveland?
What is the month with the shortest days in Cleveland?
How many hours of daylight does Cleveland have in December?
What time are sunrise and sunset in December in Cleveland?
How long on average sun shines in December in Cleveland?
What is the month with the lowest UV index in Cleveland?
How high is the UV index in December in Cleveland?
Average temperature in December
Cleveland, OH
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Cleveland, 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, OH
- Average wind speed in December: 11.1mph
The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Cleveland, OH
- Average humidity in December: 81%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in December
Cleveland, OH
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is October (1.81").
The driest months (with the least rainfall) are February and November (1.14").
Average rainfall days in December
Cleveland, OH
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is October (15.7 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in December
Cleveland, OH
- Average snowfall in December: 2.13"
The month with the highest snowfall is January (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cleveland, OH
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in December
Cleveland, OH
- Average sea temperature in December: 39.3°F
The best month for swimming (with the highest average sea temperature) is August (76.3°F).
The coldest month (with the lowest average sea temperature) is February (33.2°F).
Average daylight in December /
Average sunshine in December
Cleveland, OH
- Average daylight in December: 9h and 1min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Cleveland, OH
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is July (14.6 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in December
Cleveland, OH
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in December
Cleveland, OH
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Cleveland, OH
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Cleveland, Ohio, USA
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