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 move into December indicates a reduction in the average high-temperature, down from November's frosty 48.7°F (9.3°C) to an icy 39.6°F (4.2°C). North Salem's temperature tends to fall to an average low of 29.3°F (-1.5°C) during the nights of December.Humidity
In North Salem, the average relative humidity in December is 78%.Rainfall
In North Salem, during December, the rain falls for 8.1 days and regularly aggregates up to 1.02" (26mm) of precipitation. In North Salem, during the entire year, the rain falls for 123.7 days and collects up to 11.65" (296mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In North Salem, in December, snow falls for 4.1 days, with typically accumulated 0.55" (14mm) of snow. In North Salem, during the entire year, snow falls for 20.5 days and aggregates up to 2.68" (68mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in North Salem, sunrise is at 7:01 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:35 pm EST.
Sunshine
In December, the average sunshine in North Salem, New York, is 4.7h.UV index
December is the month with the lowest UV index in North Salem, New York, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
How cold is it in North Salem in December?
What is the average humidity in December in North Salem?
How many days does it rain in December in North Salem?
How much does it snow in North Salem in December?
What is the month with the shortest days in North Salem?
What is the average length of the day in December in North Salem?
When is the sunrise / sunset in December in North Salem?
How long on average sun shines in December in North Salem?
When is the lowest UV index in North Salem?
What is the UV index intensity in December in North Salem?
Average temperature in December
North Salem, NY
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in December
North Salem, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
North Salem, NY
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
North Salem, NY
- Average humidity in December: 78%
The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in December
North Salem, NY
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are January and February (0.55").
Average rainfall days in December
North Salem, NY
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in December
North Salem, NY
- Average snowfall in December: 0.55"
The months with the highest snowfall are January and February (0.75").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
North Salem, NY
- Average snowfall days in December: 4.1 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
North Salem, NY
- 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: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
North Salem, NY
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in December
North Salem, NY
- 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
North Salem, NY
- Average cloud cover in December: 50
The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
North Salem, NY
- 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).
North Salem, New York, USA
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