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
December's arrival coincides with a drop in the average high-temperature, decreasing from November's frosty 46.6°F (8.1°C) to a wintry 37.2°F (2.9°C). Nighttime temperatures hover around an average low of 28.6°F (-1.9°C) in December, a slight descent from daytime highs.Humidity
In Gates Mills, the average relative humidity in December is 84%.Rainfall
In Gates Mills, Ohio, in December, during 7.3 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Gates Mills, during the entire year, the rain falls for 149.3 days and collects up to 25.87" (657mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Gates Mills, during December, snow falls for 11.4 days and regularly aggregates up to 4.33" (110mm) of snow. Throughout the year, in Gates Mills, there are 54 snowfall days, and 20.51" (521mm) of snow is accumulated.Daylight
The month with the shortest days in Gates Mills is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:33 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:05 pm EST.
Sunshine
In December, the average sunshine is 2.9h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. It's recommended to limit sun exposure when its radiation is at its peak during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Gates Mills 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?
How high is the UV index in December?
Average temperature in December
Gates Mills, OH
- Average high temperature in December: 37.2°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Gates Mills, 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
Gates Mills, OH
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in December
Gates Mills, OH
- Average humidity in December: 84%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in December
Gates Mills, OH
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in December
Gates Mills, OH
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Gates Mills, OH
- Average snowfall in December: 4.33"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gates Mills, OH
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gates Mills, 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: 2h and 5min
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 24min).
Average sunshine days in December
Gates Mills, OH
- Average sunshine days in December: 13 days
The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is February (11.5 days).
Average UV index in December
Gates Mills, OH
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Gates Mills, OH
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Gates Mills, 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).
Gates Mills, Ohio, USA
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