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 corresponds with a decrease in average high-temperatures, from November's chilly 47.5°F (8.6°C) to a wintry 37°F (2.8°C). Mount Marion experiences an average low-temperature of 25.3°F (-3.7°C) in month of December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Mount Marion, in December, during 8.3 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, in Mount Marion, New York, there are 126.7 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Mount Marion. December is the month with the most snowfall in Mount Marion. Snow falls for 6.1 days and accumulates 3.19" (81mm) of snow.Daylight
The month with the shortest days in Mount Marion is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:25 pm. On the last day of December, in Mount Marion, sunrise is at 7:23 am and sunset at 4:34 pm EST.
Sunshine
In December, the average sunshine in Mount Marion, New York, is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold is December in Mount Marion?
What are the most humid months in Mount Marion?
What is the average humidity in December in Mount Marion?
How much does it rain in Mount Marion in December?
What is the snowiest month in Mount Marion?
How many days does it snow in December in Mount Marion?
What is the month with the shortest days in Mount Marion?
What is the average length of the day in December in Mount Marion?
What time are sunrise and sunset in December in Mount Marion?
How many hours of sunshine does Mount Marion have in December?
What are the months with the lowest UV index in Mount Marion?
What is the UV index intensity in December in Mount Marion?
Average temperature in December
Mount Marion, NY
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in December: 25.3°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Mount Marion, 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
Mount Marion, NY
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Mount Marion, NY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Mount Marion, NY
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in December
Mount Marion, NY
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Mount Marion, NY
- Average snowfall in December: 3.19"
The month with the highest snowfall is December (3.19").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mount Marion, NY
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Marion, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Mount Marion, NY
- Average sunshine days in December: 18.3 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (14.5 days).
Average UV index in December
Mount Marion, NY
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Mount Marion, NY
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Mount Marion, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
Mount Marion, New York, USA
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