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 shift from November to December involves a decrease in the average high-temperature, dropping from a chilly 46.9°F (8.3°C) to a cold 36.9°F (2.7°C). The temperature during December experiences a small drop from daytime peaks, recording an average of 29.5°F (-1.4°C) at night.Humidity
In Isle Saint George, the average relative humidity in December is 81%.Rainfall
In Isle Saint George, in December, during 10 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 163.4 rainfall days, and 34.92" (887mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Isle Saint George, in December, snow falls for 10.3 days, with typically accumulated 2.2" (56mm) of snow. Throughout the year, there are 48.2 snowfall days, and 11.89" (302mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:39 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:58 am and sunset at 5:10 pm EST.
Sunshine
In Isle Saint George, the average sunshine in December is 3.5h.UV index
The month with the lowest UV index in Isle Saint George is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Isle Saint George have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Isle Saint George have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Isle Saint George, OH
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Isle Saint George, 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
Isle Saint George, OH
- Average wind speed in December: 11.9mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity in December
Isle Saint George, OH
- Average humidity in December: 81%
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
Isle Saint George, OH
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is June (4.76").
The driest month (with the least rainfall) is February (1.57").
Average rainfall days in December
Isle Saint George, OH
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in December
Isle Saint George, OH
- Average snowfall in December: 2.2"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Isle Saint George, OH
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is January (13.4 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
Isle Saint George, 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 3min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in December
Isle Saint George, OH
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is September (13.5 days).
The month with the least sunshine days is February (9 days).
Average UV index in December
Isle Saint George, 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
Isle Saint George, 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 29).
Average visibility in December
Isle Saint George, 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).
Isle Saint George, Ohio, USA
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