December weather forecastKelleys Island, OH
December
Weather in December
December, the first month of the winter in Kelleys Island, is still a cold month, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 37°F (2.8°C).Temperature
The onset of December is marked by a decrease in temperature, transitioning from a chilly 47.1°F (8.4°C) in November to a cold 37°F (2.8°C). Nighttime temperature in Kelleys Island, Ohio, reflects an average dip to a subzero cold 30°F (-1.1°C) in December, subtly cooler than its daytime highs.Humidity
In December, the average relative humidity in Kelleys Island is 81%.Rainfall
The months with the least rainfall are February and December Rain falls for 9.8 days and accumulates 1.61" (41mm) of rain.Snowfall
Months with snowfall are January through April, November and December. In December, it is snowing for 7.7 days. Throughout December, 1.57" (40mm) of snow is accumulated. In Kelleys Island, during the entire year, snow falls for 41.3 days and aggregates up to 10.87" (276mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December in Kelleys Island, sunrise is at 7:38 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:10 pm EST.
Sunshine
The average sunshine in December in Kelleys Island is 3.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Kelleys Island. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 1 during December leads to these instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. 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 mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kelleys Island, OH
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 30°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 (21.6°F).
Average pressure in December
Kelleys Island, 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
Kelleys Island, OH
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).
Average humidity in December
Kelleys Island, OH
- Average humidity in December: 81%
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
Kelleys Island, OH
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (4.41").
The driest months (with the least rainfall) are February and December (1.61").
Average rainfall days in December
Kelleys Island, OH
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (17.8 days).
The months with the least rainy days are January and February (7.8 days).
Average snowfall in December
Kelleys Island, OH
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Kelleys Island, OH
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (12.6 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
Kelleys Island, OH
- Average daylight in December: 9h and 12min
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 30min
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 12min).
Average sunshine days in December
Kelleys Island, OH
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is March (14.1 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in December
Kelleys Island, OH
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Kelleys Island, OH
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility in December
Kelleys Island, 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).
