December weather forecastTillson, NY
December
Weather in December
The first month of the winter, December, is still a cold month in Tillson, New York, with an average temperature ranging between min 25.7°F (-3.5°C) and max 37.6°F (3.1°C).Temperature
Tillson's December weather comes with a decrease in average high-temperatures, moving from a chilly 47.8°F (8.8°C) in November to a wintry 37.6°F (3.1°C). An average low-temperature of 25.7°F (-3.5°C) is observed during December nights.Humidity
The months with the highest humidity in Tillson are February and December, with an average relative humidity of 82%.Rainfall
In Tillson, in December, it is raining for 9.5 days, with typically 2.24" (57mm) of accumulated precipitation. In Tillson, New York, during the entire year, the rain falls for 141.4 days and collects up to 22.44" (570mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Tillson, New York, during December, snow falls for 5.8 days and regularly aggregates up to 3.82" (97mm) of snow. In Tillson, during the entire year, snow falls for 30.6 days and aggregates up to 16.38" (416mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:26 pm. On the last day of December, sunrise is at 7:23 am and sunset at 4:35 pm EST.
Sunshine
In Tillson, the average sunshine in December is 4.9h.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 reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tillson, NY
- Average high temperature in December: 37.6°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 (32°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Tillson, 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
Tillson, NY
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Tillson, NY
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Tillson, NY
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is October (2.36").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in December
Tillson, NY
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Tillson, NY
- Average snowfall in December: 3.82"
The month with the highest snowfall is February (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Tillson, NY
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Tillson, NY
- Average daylight in December: 9h and 12min
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: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Tillson, NY
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in December
Tillson, 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
Tillson, NY
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Tillson, NY
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
