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 commencement of December involves a temperature shift, with the average high-temperature dropping from a frosty 49.1°F (9.5°C) in November to a wintry 39.7°F (4.3°C). The nighttime temperature dips to a subzero cold 28°F (-2.2°C) on average during December.Humidity
In December, the average relative humidity is 83%.Rainfall
In Saint Clairsville, in December, during 10.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Saint Clairsville, during the entire year, the rain falls for 159.9 days and collects up to 22.99" (584mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Saint Clairsville, in December, snow falls for 11.6 days, with typically accumulated 3.15" (80mm) of snow. In Saint Clairsville, during the entire year, snow falls for 55.5 days and aggregates up to 15.67" (398mm) of snow.Daylight
The month with the shortest days in Saint Clairsville, Ohio, is December, with an average of 9h and 24min of daylight.On the first day of December in Saint Clairsville, sunrise is at 7:27 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:08 pm EST.
Sunshine
In December, the average sunshine is 3.5h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index in Saint Clairsville. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 suggests these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
How cold does it get in Saint Clairsville in December?
What is the average humidity in December in Saint Clairsville?
How much does it rain in Saint Clairsville in December?
How many days does it snow in December in Saint Clairsville?
What is the month with the shortest days in Saint Clairsville?
What is the average length of the day in December in Saint Clairsville?
What time are sunrise and sunset in December in Saint Clairsville?
How many hours of sunshine does Saint Clairsville have in December?
What is the month with the lowest UV index in Saint Clairsville?
How high is the UV index in December in Saint Clairsville?
Average temperature in December
Saint Clairsville, OH
- Average high temperature in December: 39.7°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Saint Clairsville, OH
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Saint Clairsville, OH
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Saint Clairsville, OH
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Saint Clairsville, OH
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Saint Clairsville, OH
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Saint Clairsville, OH
- Average snowfall in December: 3.15"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Saint Clairsville, OH
- Average snowfall days in December: 11.6 days
The month with the highest number of snowfall days is January (15.5 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 Clairsville, OH
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Saint Clairsville, OH
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in December
Saint Clairsville, 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
Saint Clairsville, OH
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Saint Clairsville, OH
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).
Saint Clairsville, Ohio, USA
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