Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December is characterized by a reduction in the average high-temperature, from a cool 50.5°F (10.3°C) in November to an icy 41°F (5°C). During December nights, Ardsley-on-Hudson records an average temperature of 30.9°F (-0.6°C).Humidity
February and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In December, the rain falls for 9.3 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. In Ardsley-on-Hudson, New York, during the entire year, the rain falls for 132.4 days and collects up to 15.63" (397mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Ardsley-on-Hudson, New York. In December, it is snowing for 3.4 days. Throughout December, 1.06" (27mm) of snow is accumulated. Throughout the year, in Ardsley-on-Hudson, there are 18.9 snowfall days, and 5.08" (129mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:01 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:37 pm EST.
Sunshine
In December, the average sunshine 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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Ardsley-on-Hudson?
What time are sunrise and sunset in December?
How many hours of sunshine does Ardsley-on-Hudson have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Ardsley-on-Hudson, NY
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in December
Ardsley-on-Hudson, 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
Ardsley-on-Hudson, NY
- Average wind speed in December: 7.9mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Ardsley-on-Hudson, NY
- Average humidity in December: 77%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Ardsley-on-Hudson, NY
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Ardsley-on-Hudson, NY
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Ardsley-on-Hudson, NY
- Average snowfall in December: 1.06"
The month with the highest snowfall is March (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Ardsley-on-Hudson, NY
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Ardsley-on-Hudson, NY
- Average daylight in December: 9h and 2min
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 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Ardsley-on-Hudson, NY
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in December
Ardsley-on-Hudson, NY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (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
Ardsley-on-Hudson, NY
- Average cloud cover in December: 48
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Ardsley-on-Hudson, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Ardsley-on-Hudson, New York, USA
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