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
Salem's progression into December includes a drop in the average high-temperature, from a fresh 50°F (10°C) in November to an icy 40.6°F (4.8°C). Throughout the month of December, Salem reports a steady low-temperature average of 30°F (-1.1°C).Humidity
The average relative humidity in December is 76%.Rainfall
The month with the most rainfall is December, when the rain falls for 10.8 days and typically aggregates up to 3.62" (92mm) of precipitation.Snowfall
Months with snowfall in Salem are January through May, November and December. In Salem, during December, snow falls for 4.5 days and regularly aggregates up to 1.89" (48mm) of snow. In Salem, during the entire year, snow falls for 25.4 days and aggregates up to 12.6" (320mm) of snow.Daylight
The month with the shortest days in Salem, Connecticut, is December, with an average of 9h and 12min of daylight.On the first day of December in Salem, sunrise is at 6:56 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:29 pm EST.
Sunshine
December has the least sunshine of the year in Salem, with an average of 4.6h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is it in Salem in December?
What is the average humidity in December in Salem?
What is the rainiest month in Salem?
How much does it rain in Salem in December?
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 is the sunrise / sunset in December in Salem?
What is the month with the least sunshine in Salem?
How many hours of sunshine does Salem have in December?
What are the months with the lowest UV index in Salem?
What is the UV index intensity in December in Salem?
Average temperature in December
Salem, CT
- Average high temperature in December: 40.6°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Salem, CT
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Salem, CT
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Salem, CT
- Average humidity in December: 76%
The months with the highest relative humidity are February, June, July and September (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
Salem, CT
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is December (3.62").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Salem, CT
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Salem, CT
- Average snowfall in December: 1.89"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Salem, CT
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is February (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Salem, CT
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Salem, CT
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (13.2 days).
Average UV index in December
Salem, CT
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Salem, CT
- Average cloud cover in December: 49
The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Salem, CT
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, July, August, September, October, November and December (6mi).
The months with the lowest visibility are May and June (5mi).
Salem, Connecticut, USA
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