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
As December arrives, Mentor's weather displays a minor decrease in high-temperatures, transitioning from November's frosty 46.8°F (8.2°C) to a cold 37.9°F (3.3°C). The month of December in Mentor is marked by an average minimum temperature of 30.2°F (-1°C), slightly cooler than its daytime counterpart.Humidity
The average relative humidity in December in Mentor is 82%.Rainfall
In Mentor, in December, it is raining for 11.4 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, in Mentor, there are 178.9 rainfall days, and 32.2" (818mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Mentor. In December, in Mentor, Ohio, it is snowing for 13.5 days. Throughout December, 3.98" (101mm) of snow is accumulated. Throughout the year, there are 64.4 snowfall days, and 19.92" (506mm) of snow is accumulated.Daylight
The month with the shortest days in Mentor, Ohio, 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 4:55 pm. On the last day of December, in Mentor, sunrise is at 7:52 am and sunset at 5:05 pm EST.
Sunshine
The average sunshine in December is 3.1h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Mentor. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 in December converts 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. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold does it get in Mentor in December?
What is the average humidity in December in Mentor?
How much does it rain in Mentor in December?
How many days does it snow in December in Mentor?
What is the month with the shortest days in Mentor?
What is the average length of the day in December in Mentor?
When is the sunrise / sunset in December in Mentor?
How many hours of sunshine does Mentor have in December?
When is the lowest UV index in Mentor?
What is the UV index intensity in December in Mentor?
Average temperature in December
Mentor, OH
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Mentor, 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
Mentor, OH
- Average wind speed in December: 11.6mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in December
Mentor, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in December
Mentor, OH
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Mentor, OH
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is October (18 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Mentor, OH
- Average snowfall in December: 3.98"
The month with the highest snowfall is February (5.31").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Mentor, OH
- Average snowfall days in December: 13.5 days
The month with the highest number of snowfall days is January (17.4 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
Mentor, OH
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
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 42min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Mentor, OH
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is May (11.4 days).
The month with the least sunshine days is January (6.8 days).
Average UV index in December
Mentor, OH
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Mentor, 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 27).
Average visibility in December
Mentor, OH
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Mentor, Ohio, USA
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