December weather forecastMahopac Falls, NY
December
Weather in December
The first month of the winter, December, is also a wintry month in Mahopac Falls, New York, with an average temperature varying between 28.6°F (-1.9°C) and 39°F (3.9°C).Temperature
Mahopac Falls observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 48.6°F (9.2°C) to a wintry 39°F (3.9°C). During December, Mahopac Falls observes a consistent average nighttime temperature of 28.6°F (-1.9°C).Humidity
The months with the highest humidity in Mahopac Falls are February, October and December, with an average relative humidity of 79%.Rainfall
December is the month with the most rainfall. Rain falls for 10.5 days and accumulates 2.99" (76mm) of precipitation.Snowfall
Months with snowfall in Mahopac Falls are January through May, October through December. In Mahopac Falls, in December, during 5.3 snowfall days, 2.83" (72mm) of snow is typically accumulated. Throughout the year, there are 31 snowfall days, and 16.22" (412mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Mahopac Falls.On the first day of December in Mahopac Falls, sunrise is at 7:02 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:35 pm EST.
Sunshine
The average sunshine in December is 4.7h.UV index
The months with the lowest UV index in Mahopac Falls are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mahopac Falls, NY
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Mahopac Falls, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Mahopac Falls, NY
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Mahopac Falls, NY
- Average humidity in December: 79%
The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Mahopac Falls, NY
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in December
Mahopac Falls, NY
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Mahopac Falls, NY
- Average snowfall in December: 2.83"
The month with the highest snowfall is February (3.66").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mahopac Falls, NY
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mahopac Falls, NY
- Average daylight in December: 9h and 12min
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 42min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Mahopac Falls, NY
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in December
Mahopac Falls, NY
- Average UV index in December: 2
The months with the highest UV index are June 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
Mahopac Falls, NY
- 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
Mahopac Falls, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February, May and June (5mi).
