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 average high-temperature decreases in December, shifting from a cool 50.4°F (10.2°C) in November to a cold 40.3°F (4.6°C). In the month of December, South Salem's average low-temperature falls to a subzero cold 29.8°F (-1.2°C).Humidity
The months with the highest humidity in South Salem are January, February and December, with an average relative humidity of 82%.Rainfall
In South Salem, in December, during 9.5 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In South Salem, during the entire year, the rain falls for 130.7 days and collects up to 13.82" (351mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In South Salem, during December, snow falls for 6.4 days and regularly aggregates up to 1.14" (29mm) of snow. In South Salem, during the entire year, snow falls for 28.6 days and aggregates up to 5.24" (133mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:34 am and sunset at 5:10 pm. On the last day of December, in South Salem, sunrise is at 7:52 am and sunset at 5:20 pm EST.
Sunshine
The average sunshine in December is 4.1h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
Is it cold in South Salem during December?
What are the most humid months in South Salem?
What is the average humidity in December in South Salem?
How many days does it rain in December in South Salem?
How many days does it snow in December in South Salem?
What is the month with the shortest days in South Salem?
What is the average length of the day in December in South Salem?
When are sunrise and sunset in December in South Salem?
How long on average sun shines in December in South Salem?
What is the month with the lowest UV index in South Salem?
What is the UV index reading in December in South Salem?
Average temperature in December
South Salem, OH
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in December: 29.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
South Salem, 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 (29.95"Hg).
Average wind speed in December
South Salem, OH
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
South Salem, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January, February and December (82%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in December
South Salem, OH
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
South Salem, OH
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
South Salem, OH
- Average snowfall in December: 1.14"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
South Salem, OH
- Average snowfall days in December: 6.4 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
South Salem, 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 August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
South Salem, OH
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
South Salem, OH
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
South Salem, OH
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
South Salem, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
South Salem, Ohio, USA
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