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 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
The move into December indicates a reduction in the average high-temperature, down from November's frosty 46.8°F (8.2°C) to an icy 37.6°F (3.1°C). Mayfield Heights reports an average low-temperature of 29.3°F (-1.5°C) during the subtly cooler December nights.Humidity
In December, the average relative humidity is 82%.Rainfall
In Mayfield Heights, in December, it is raining for 9.8 days, with typically 2.09" (53mm) of accumulated precipitation. Throughout the year, there are 162.9 rainfall days, and 28.58" (726mm) of precipitation is accumulated.Snowfall
Months with snowfall in Mayfield Heights are January through May, November and December. In Mayfield Heights, in December, during 13.5 snowfall days, 4.25" (108mm) of snow is typically accumulated. Throughout the year, there are 62.5 snowfall days, and 19.96" (507mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:33 am and sunset at 4:56 pm. On the last day of December, sunrise is at 7:52 am and sunset at 5:06 pm EST.
Sunshine
In Mayfield Heights, the average sunshine in December is 3h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mayfield Heights have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mayfield Heights, OH
- Average high temperature in December: 37.6°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 (31.1°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in December
Mayfield 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
Mayfield Heights, OH
- Average wind speed in December: 10.4mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in December
Mayfield Heights, OH
- Average humidity in December: 82%
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
Mayfield Heights, OH
- Average rainfall in December: 2.09"
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
Mayfield Heights, OH
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Mayfield Heights, OH
- Average snowfall in December: 4.25"
The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Mayfield Heights, OH
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mayfield Heights, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Mayfield Heights, OH
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is July (13.4 days).
The month with the least sunshine days is January (7.6 days).
Average UV index in December
Mayfield Heights, OH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Mayfield Heights, OH
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Mayfield Heights, 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).
Mayfield Heights, Ohio, USA
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