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 start of December comes with a reduction in the average high-temperature, receding from a chilly 47.8°F (8.8°C) in November to an icy 37.9°F (3.3°C). Throughout December, Salem anticipates an average low-temperature of 26.8°F (-2.9°C).Humidity
In Salem, the average relative humidity in December is 85%.Rainfall
In Salem, during December, the rain falls for 11.7 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, in Salem, there are 173.3 rainfall days, and 30.71" (780mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Salem. In Salem, in December, during 14.6 snowfall days, 5.31" (135mm) of snow is typically accumulated. Throughout the year, there are 70 snowfall days, and 26.54" (674mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Salem.On the first day of December, sunrise is at 7:29 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:05 pm EST.
Sunshine
In Salem, the average sunshine in December is 3.3h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 1 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
How cold is it in 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?
What is the average length of the day in December in Salem?
What time are sunrise and sunset in December in Salem?
How many hours of sunshine does Salem have in December?
When is the lowest UV index in Salem?
What is the UV index reading in December in Salem?
Average temperature in December
Salem, OH
- Average high temperature in December: 37.9°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 (31.6°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Salem, OH
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Salem, OH
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Salem, OH
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Salem, OH
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is June (3.11").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Salem, OH
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Salem, OH
- Average snowfall in December: 5.31"
The month with the highest snowfall is January (6.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Salem, OH
- Average snowfall days in December: 14.6 days
The month with the highest number of snowfall days is January (17.9 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, OH
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Salem, OH
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in December
Salem, OH
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Salem, OH
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Salem, OH
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Salem, Ohio, USA
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