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
December's arrival coincides with a drop in the average high-temperature, decreasing from November's cool 54.5°F (12.5°C) to a frosty 45.5°F (7.5°C). Salem, in the month of December, anticipates a consistent average low-temperature of 33.4°F (0.8°C).Humidity
In December, the average relative humidity in Salem is 78%.Rainfall
In December, the rain falls for 10.8 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. Throughout the year, in Salem, there are 148.8 rainfall days, and 27.05" (687mm) of precipitation is accumulated.Snowfall
Months with snowfall in Salem, Kentucky, are January through April, November and December. In Salem, Kentucky, in December, snow falls for 3.2 days, with typically accumulated 0.51" (13mm) of snow. In Salem, during the entire year, snow falls for 15 days and aggregates up to 4.8" (122mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December in Salem, sunrise is at 6:48 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:45 pm CST.
Sunshine
The average sunshine in December is 4.8h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Salem in December?
What is the average humidity in December 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?
How many hours of daylight does Salem have in December?
When is the sunrise / sunset in December in Salem?
How many hours of sunshine does Salem have in December?
What is the month with the lowest UV index in Salem?
What is the UV index reading in December in Salem?
Average temperature in December
Salem, KY
- Average high temperature in December: 45.5°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 (40.5°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Salem, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Salem, KY
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Salem, KY
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Salem, KY
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is February (3.03").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in December
Salem, KY
- Average rainfall days in December: 10.8 days
The months with the highest number of rainy days are May and July (16.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Salem, KY
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Salem, KY
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (4.5 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, KY
- 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: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in December
Salem, KY
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in December
Salem, KY
- 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 and December (UV index 2).
Average cloud cover in December
Salem, KY
- Average cloud cover in December: 49
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 28).
Average visibility in December
Salem, KY
- 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).
Salem, Kentucky, USA
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