December weather forecastYork, NY
December
Weather in December
December, the first month of the winter in York, is still a cold month, with an average temperature ranging between min 25.9°F (-3.4°C) and max 35.1°F (1.7°C).Temperature
The average high-temperature decreases in December, shifting from a frosty 45.5°F (7.5°C) in November to an icy 35.1°F (1.7°C). During December, York observes a consistent average nighttime temperature of 25.9°F (-3.4°C).Humidity
In York, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 11 days. Throughout December, 2.28" (58mm) of precipitation is accumulated. In York, New York, during the entire year, the rain falls for 173.7 days and collects up to 27.83" (707mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In York, in December, during 16.3 snowfall days, 6.06" (154mm) of snow is typically accumulated. Throughout the year, there are 81.5 snowfall days, and 32.8" (833mm) of snow is accumulated.Daylight
The month with the shortest days in York is December, with an average of 9h and 6min of daylight.On the first day of December in York, sunrise is at 7:23 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:42 am and sunset at 4:47 pm EST.
Sunshine
In December, the average sunshine in York is 3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 1 during December morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
York, NY
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in December: 25.9°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°F).
Average pressure in December
York, 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
York, NY
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
York, NY
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in December
York, NY
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is May (2.95").
The driest months (with the least rainfall) are January and September (1.77").
Average rainfall days in December
York, NY
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in December
York, NY
- Average snowfall in December: 6.06"
The month with the highest snowfall is February (8.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
York, NY
- Average snowfall days in December: 16.3 days
The month with the highest number of snowfall days is January (19.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
York, 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: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in December
York, NY
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is September (13.1 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in December
York, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
York, NY
- Average cloud cover in December: 69
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
York, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (5mi).





