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 arrival of December indicates a decrease in the average high-temperature, moving from a frosty 46.9°F (8.3°C) in November to an icy 36.3°F (2.4°C). The average temperature during December nights in Sylvania, Ohio, is registered at a freezing cold 27°F (-2.8°C).Humidity
In December, the average relative humidity is 82%.Rainfall
December is the month with the least rainfall in Sylvania, Ohio. Rain falls for 7.6 days and accumulates 0.63" (16mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Sylvania. In Sylvania, in December, during 8.5 snowfall days, 0.98" (25mm) of snow is typically accumulated. Throughout the year, in Sylvania, there are 39.8 snowfall days, and 6.77" (172mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Sylvania.On the first day of December in Sylvania, sunrise is at 7:43 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 8:01 am and sunset at 5:14 pm EST.
Sunshine
In December, the average sunshine in Sylvania is 3.7h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
How cold is December in Sylvania?
What is the average humidity in December in Sylvania?
What is the driest month in Sylvania?
How many days does it rain in December in Sylvania?
How many days does it snow in December in Sylvania?
What is the month with the shortest days in Sylvania?
What is the average length of the day in December in Sylvania?
When is the sunrise / sunset in December in Sylvania?
How many hours of sunshine does Sylvania have in December?
When is the lowest UV index in Sylvania?
What is the UV index reading in December in Sylvania?
Average temperature in December
Sylvania, OH
- Average high temperature in December: 36.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Sylvania, 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
Sylvania, OH
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Sylvania, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Sylvania, OH
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is June (1.81").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in December
Sylvania, OH
- Average rainfall days in December: 7.6 days
The months with the highest number of rainy days are May and June (15.6 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in December
Sylvania, OH
- Average snowfall in December: 0.98"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sylvania, OH
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sylvania, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Sylvania, OH
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in December
Sylvania, 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
Sylvania, OH
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in December
Sylvania, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Sylvania, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location
