December weather forecastPatterson, NY
December
Weather in December
The first month of the winter, December, is still a cold month in Patterson, New York, with an average temperature fluctuating between 38.3°F (3.5°C) and 27°F (-2.8°C).Temperature
The transition into December involves a decrease in the average high-temperature, falling from a chilly 48.2°F (9°C) in November to an icy 38.3°F (3.5°C). December witnesses an average nighttime temperature of 27°F (-2.8°C).Humidity
February, October and December, with an average relative humidity of 80%, are the most humid months.Rainfall
The month with the most rainfall in Patterson, New York, is December, when the rain falls for 10.5 days and typically aggregates up to 3.46" (88mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 7.4 days. Throughout December, 3.82" (97mm) of snow is accumulated. Throughout the year, in Patterson, there are 40.3 snowfall days, and 23.43" (595mm) of snow is accumulated.Daylight
December has the shortest days of the year in Patterson, New York, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:34 pm EST.
Sunshine
The average sunshine in December is 4.5h.UV index
The months with the lowest UV index in Patterson are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Patterson, NY
- Average high temperature in December: 38.3°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Patterson, 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
Patterson, NY
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is March (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Patterson, NY
- Average humidity in December: 80%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Patterson, NY
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is February (2.17").
Average rainfall days in December
Patterson, NY
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Patterson, NY
- Average snowfall in December: 3.82"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Patterson, NY
- Average snowfall days in December: 7.4 days
The month with the highest number of snowfall days is February (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Patterson, 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 30min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Patterson, NY
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in December
Patterson, 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
Patterson, NY
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in December
Patterson, NY
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
