December weather forecastParson Mill, NY
December
Weather in December
The first month of the winter, December, is still a cold month in Parson Mill, New York, with an average temperature fluctuating between 23.9°F (-4.5°C) and 32.7°F (0.4°C).Temperature
Arrival of December comes with a reduction in the average high-temperature, falling from 42.6°F (5.9°C) in November to a still wintry 32.7°F (0.4°C). Parson Mill encounters a negligible difference from daytime peaks throughout the December nights, with a low-temperature average of 23.9°F (-4.5°C).Humidity
In December, the average relative humidity in Parson Mill is 86%.Rainfall
In Parson Mill, during December, the rain falls for 12 days and regularly aggregates up to 3.43" (87mm) of precipitation. In Parson Mill, during the entire year, the rain falls for 176.3 days and collects up to 37.09" (942mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Parson Mill, in December, during 17.4 snowfall days, 10.55" (268mm) of snow is typically accumulated. In Parson Mill, during the entire year, snow falls for 88.5 days and aggregates up to 46.89" (1191mm) of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:15 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:36 pm EST.
Sunshine
In December, the average sunshine is 2.8h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Parson Mill, New York. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Parson Mill, NY
- Average high temperature in December: 32.7°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in December
Parson Mill, 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
Parson Mill, NY
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Parson Mill, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in December
Parson Mill, NY
- Average rainfall in December: 3.43"
The wettest months (with the highest rainfall) are May and October (3.66").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Parson Mill, NY
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is October (18.5 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in December
Parson Mill, NY
- Average snowfall in December: 10.55"
The month with the highest snowfall is January (11.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Parson Mill, NY
- Average snowfall days in December: 17.4 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Parson Mill, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 2h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 30min).
Average sunshine days in December
Parson Mill, NY
- Average sunshine days in December: 6.3 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (4.6 days).
Average UV index in December
Parson Mill, 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, February and December (UV index 1).
Average cloud cover in December
Parson Mill, NY
- Average cloud cover in December: 72
The months with the most cloud cover are January and February (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Parson Mill, NY
- Average visibility in December: 5mi
The months with the highest visibility are April and October (6mi).
The months with the lowest visibility are January and February (4mi).





