December weather forecastSaint Henry, OH
December
Weather in December
December, the first month of the winter in Saint Henry, is also a wintry month, with an average temperature varying between 27.5°F (-2.5°C) and 37.8°F (3.2°C).Temperature
A subtle decrease in the average high-temperature marks December, falling from November's frosty 48.4°F (9.1°C) to an icy 37.8°F (3.2°C). Throughout December, Saint Henry anticipates an average low-temperature of 27.5°F (-2.5°C).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 83%.Rainfall
In December, in Saint Henry, the rain falls for 10.3 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. In Saint Henry, during the entire year, the rain falls for 162.3 days and collects up to 31.02" (788mm) of precipitation.Snowfall
Months with snowfall in Saint Henry, Ohio, are January through April, October through December. In December, in Saint Henry, Ohio, it is snowing for 7.5 days. Throughout December, 2.72" (69mm) of snow is accumulated. In Saint Henry, during the entire year, snow falls for 36.2 days and aggregates up to 13.15" (334mm) of snow.Daylight
December has the shortest days of the year in Saint Henry, Ohio, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:43 am and sunset at 5:12 pm. On the last day of December, in Saint Henry, Ohio, sunrise is at 8:01 am and sunset at 5:22 pm EST.
Sunshine
The average sunshine in December is 3.9h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 1 in December leads to these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Saint Henry, OH
- Average high temperature in December: 37.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in December
Saint Henry, OH
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Saint Henry, OH
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Saint Henry, OH
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Saint Henry, OH
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.93").
Average rainfall days in December
Saint Henry, OH
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in December
Saint Henry, OH
- Average snowfall in December: 2.72"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Saint Henry, OH
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint Henry, OH
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 54min
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 30min).
Average sunshine days in December
Saint Henry, OH
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Saint Henry, OH
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Saint Henry, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Saint Henry, OH
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, August and September (5mi).
