December weather forecastMarcellus Falls, NY
December
Weather in December
The first month of the winter, December, is also a wintry month in Marcellus Falls, New York, with an average temperature varying between 25.5°F (-3.6°C) and 34.5°F (1.4°C).Temperature
Observing a mild shift, the average high-temperature during December reduces from November's chilly 44.8°F (7.1°C) to an icy 34.5°F (1.4°C). A slight dip in temperature to a subzero cold 25.5°F (-3.6°C) marks the average nights during December.Humidity
In December, the average relative humidity in Marcellus Falls is 85%.Rainfall
In Marcellus Falls, in December, it is raining for 9.2 days, with typically 1.26" (32mm) of accumulated precipitation. In Marcellus Falls, during the entire year, the rain falls for 141.4 days and collects up to 16.57" (421mm) of precipitation.Snowfall
Months with snowfall in Marcellus Falls, New York, are January through April, October through December. The months with the most snowfall in Marcellus Falls, New York, are February and December, with an average 3.62" (92mm) of accumulated snow.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December in Marcellus Falls, sunrise is at 7:17 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:40 pm EST.
Sunshine
In Marcellus Falls, the average sunshine in December is 2.9h.UV index
The months with the lowest UV index in Marcellus Falls are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 1 in December leads to these guidelines:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Marcellus Falls, NY
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in December: 25.5°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Marcellus Falls, 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 (29.92"Hg).
Average wind speed in December
Marcellus Falls, NY
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Marcellus Falls, NY
- Average humidity in December: 85%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall in December
Marcellus Falls, NY
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in December
Marcellus Falls, NY
- Average rainfall days in December: 9.2 days
The months with the highest number of rainy days are May and July (15 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Marcellus Falls, NY
- Average snowfall in December: 3.62"
The months with the highest snowfall are February and December (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Marcellus Falls, NY
- Average snowfall days in December: 14.3 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marcellus Falls, NY
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
Marcellus Falls, NY
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in December
Marcellus Falls, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Marcellus Falls, NY
- Average cloud cover in December: 71
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
Marcellus Falls, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
