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 onset of December comes with a shift in the average high-temperature, falling from a fresh 50.9°F (10.5°C) in November to a wintry 41°F (5°C). During December nights, Saint Bernard records an average temperature of 30.2°F (-1°C).Humidity
The most humid month is December, with an average relative humidity of 81%.Rainfall
In Saint Bernard, during December, the rain falls for 8.8 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, there are 121.7 rainfall days, and 12.4" (315mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 5.5 days. Throughout December, 0.67" (17mm) of snow is accumulated. Throughout the year, in Saint Bernard, Ohio, there are 23.7 snowfall days, and 3.98" (101mm) of snow is accumulated.Daylight
The month with the shortest days in Saint Bernard, Ohio, is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:38 am and sunset at 5:15 pm. On the last day of December, in Saint Bernard, sunrise is at 7:57 am and sunset at 5:25 pm EST.
Sunshine
In Saint Bernard, the average sunshine in December is 4.2h.UV index
December is the month with the lowest UV index in Saint Bernard, 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 radiation for ordinary individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Saint Bernard during December?
What is the most humid month in Saint Bernard?
What is the average humidity in December in Saint Bernard?
How many days does it rain in December in Saint Bernard?
How much does it snow in Saint Bernard in December?
What is the month with the shortest days in Saint Bernard?
How many hours of daylight does Saint Bernard have in December?
What time are sunrise and sunset in December in Saint Bernard?
How many hours of sunshine does Saint Bernard have in December?
What is the month with the lowest UV index in Saint Bernard?
What is the UV index reading in December in Saint Bernard?
Average temperature in December
Saint Bernard, OH
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30.2°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in December
Saint Bernard, OH
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Saint Bernard, OH
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Saint Bernard, OH
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in December
Saint Bernard, OH
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (1.42").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in December
Saint Bernard, OH
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in December
Saint Bernard, OH
- Average snowfall in December: 0.67"
The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Saint Bernard, OH
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Saint Bernard, OH
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Saint Bernard, OH
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (14 days).
Average UV index in December
Saint Bernard, OH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Saint Bernard, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
Saint Bernard, 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).
Saint Bernard, Ohio, USA
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