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
As Vermilion, Ohio, enters December, the average high-temperature decreases from the a chilly 47.1°F (8.4°C) of November to a wintry 37.4°F (3°C). During the nights of December, the average low-temperature holds at a subzero cold 30.4°F (-0.9°C).Humidity
In December, the average relative humidity is 80%.Rainfall
In Vermilion, in December, during 8.6 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, in Vermilion, there are 138.4 rainfall days, and 12.28" (312mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Vermilion, Ohio, in December, snow falls for 8.8 days, with typically accumulated 0.71" (18mm) of snow. In Vermilion, during the entire year, snow falls for 43.5 days and aggregates up to 4.25" (108mm) of snow.Ocean temperature
In December, the average ocean temperature is 38.7°F (3.7°C).Note: During swimming activities, this situation is lethal and fraught with danger. The frigid water triggers acute discomfort and swift hyperventilation. A specialized swimsuit is necessary to reduce thermal harm.
Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:36 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:10 pm EST.
Sunshine
In December, the average sunshine is 3.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 1 during December translates into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December in Vermilion?
What is the water temperature in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Vermilion have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Vermilion, OH
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Vermilion, OH
- Average pressure in December: 30.1"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
Vermilion, OH
- Average wind speed in December: 12.6mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
Vermilion, OH
- Average humidity in December: 80%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
Vermilion, OH
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is June (1.38").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in December
Vermilion, OH
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is June (14.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Vermilion, OH
- Average snowfall in December: 0.71"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Vermilion, OH
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Vermilion, OH
- Average sea temperature in December: 38.6°F
The best month for swimming (with the highest average sea temperature) is August (76.6°F).
The coldest month (with the lowest average sea temperature) is February (33.1°F).
Average daylight in December /
Average sunshine in December
Vermilion, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Vermilion, OH
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is March (15 days).
The month with the least sunshine days is January (12.1 days).
Average UV index in December
Vermilion, 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
Vermilion, OH
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Vermilion, OH
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Vermilion, Ohio, USA
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