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
In Mentor, entering December brings a temperature decrement, reducing from November's cool 51.4°F (10.8°C) to a cold 41.9°F (5.5°C). Mentor's average low-temperature in the month of December is recorded at a freezing cold 30.9°F (-0.6°C).Humidity
The months with the highest humidity in Mentor are January, February and December, with an average relative humidity of 81%.Rainfall
In Mentor, during December, the rain falls for 12.5 days and regularly aggregates up to 2.68" (68mm) of precipitation. Throughout the year, in Mentor, there are 168.4 rainfall days, and 31.85" (809mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Mentor. In December, in Mentor, it is snowing for 8.4 days. Throughout December, 2.2" (56mm) of snow is accumulated. Throughout the year, there are 35.9 snowfall days, and 10.39" (264mm) of snow is accumulated.Daylight
December has the shortest days of the year in Mentor, with an average of 9h and 30min of daylight.On the first day of December in Mentor, sunrise is at 7:37 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:25 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Mentor?
What are the most humid months in Mentor?
What is the average humidity in December in Mentor?
How many days does it rain in December in Mentor?
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 long on average sun shines in December in Mentor?
When is the lowest UV index in Mentor?
What is the UV index reading in December in Mentor?
Average temperature in December
Mentor, KY
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in December
Mentor, KY
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Mentor, KY
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Mentor, KY
- Average humidity in December: 81%
The months with the highest relative humidity are January, February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall in December
Mentor, KY
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Mentor, KY
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is November (10 days).
Average snowfall in December
Mentor, KY
- Average snowfall in December: 2.2"
The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Mentor, KY
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mentor, KY
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Mentor, KY
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in December
Mentor, KY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Mentor, KY
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Mentor, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
Mentor, Kentucky, USA
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