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 transition to December in Salem results in a modest reduction in average high-temperature, moving from a fresh 53.8°F (12.1°C) in November to a frosty 45.9°F (7.7°C). In Salem, the average nighttime temperature during December is a freezing cold 31.8°F (-0.1°C).Humidity
The months with the highest humidity are May, September and December, with an average relative humidity of 77%.Rainfall
In Salem, in December, it is raining for 8.6 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, in Salem, there are 145.5 rainfall days, and 25.04" (636mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Salem, Virginia, in December, snow falls for 2.2 days, with typically accumulated 2.72" (69mm) of snow. In Salem, during the entire year, snow falls for 12.9 days and aggregates up to 11.42" (290mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December in Salem, Virginia, sunrise is at 7:16 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:12 pm EST.
Sunshine
In December, the average sunshine is 5.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the temperature in December in Salem?
What are the most humid months in Salem?
What is the average humidity in December in Salem?
How many days does it rain in December in Salem?
How much does it snow in Salem in December?
What is the month with the shortest days in Salem?
What is the average length of the day in December in Salem?
When are sunrise and sunset in December in Salem?
How long on average sun shines in December in Salem?
What is the month with the lowest UV index in Salem?
What is the UV index intensity in December in Salem?
Average temperature in December
Salem, VA
- Average high temperature in December: 45.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in December: 31.8°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Salem, VA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Salem, VA
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Salem, VA
- Average humidity in December: 77%
The months with the highest relative humidity are May, September and December (77%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Salem, VA
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Salem, VA
- Average rainfall days in December: 8.6 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in December
Salem, VA
- Average snowfall in December: 2.72"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Salem, VA
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (3.8 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
Salem, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in December
Salem, VA
- Average sunshine days in December: 20 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in December
Salem, VA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Salem, VA
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Salem, VA
- Average visibility in December: 5mi
The months with the highest visibility are June, July and November (6mi).
The months with the lowest visibility are January, February, March, April, May, August, September, October and December (5mi).
Salem, Virginia, USA
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