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
The arrival of December indicates a decrease in the average high-temperature, moving from a fresh 50.2°F (10.1°C) in November to an icy 40.3°F (4.6°C). During the month of December, Chestnut Ridge experiences a steady low-temperature average of 29.3°F (-1.5°C).Humidity
In Chestnut Ridge, New York, the average relative humidity in December is 78%.Rainfall
In Chestnut Ridge, in December, during 9.5 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. Throughout the year, there are 143.9 rainfall days, and 25.59" (650mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Chestnut Ridge, New York, in December, snow falls for 3.2 days, with typically accumulated 2.09" (53mm) of snow. Throughout the year, there are 22.9 snowfall days, and 14.33" (364mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:37 pm EST.
Sunshine
In Chestnut Ridge, the average sunshine in December is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Chestnut Ridge. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Chestnut Ridge in December?
What is the average humidity in December in Chestnut Ridge?
How much does it rain in Chestnut Ridge in December?
How much does it snow in Chestnut Ridge in December?
What is the month with the shortest days in Chestnut Ridge?
How many hours of daylight does Chestnut Ridge have in December?
When is the sunrise / sunset in December in Chestnut Ridge?
How many hours of sunshine does Chestnut Ridge have in December?
When is the lowest UV index in Chestnut Ridge?
How high is the UV index in December in Chestnut Ridge?
Average temperature in December
Chestnut Ridge, NY
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Chestnut Ridge, 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
Chestnut Ridge, NY
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in December
Chestnut Ridge, NY
- Average humidity in December: 78%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in December
Chestnut Ridge, NY
- Average rainfall in December: 2.6"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Chestnut Ridge, NY
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Chestnut Ridge, NY
- Average snowfall in December: 2.09"
The month with the highest snowfall is March (4.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Chestnut Ridge, NY
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is February (6.7 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
Chestnut Ridge, 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 30min).
Average sunshine days in December
Chestnut Ridge, NY
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in December
Chestnut Ridge, 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
Chestnut Ridge, NY
- Average cloud cover in December: 48
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Chestnut Ridge, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).
Chestnut Ridge, New York, USA
Weather forecast for your location
2. Allow the app to use your location