December weather forecastCastle Point, NY
December
Weather in December
The first month of the winter, December, is also a wintry month in Castle Point, New York, with an average temperature ranging between min 26.8°F (-2.9°C) and max 38.7°F (3.7°C).Temperature
During the transition into December, Castle Point observes a decrease in the average high-temperature, falling from a chilly 48.6°F (9.2°C) in November to an icy 38.7°F (3.7°C). Castle Point observes an average nighttime temperature of 26.8°F (-2.9°C) during December.Humidity
The months with the highest humidity are February, October and December, with an average relative humidity of 80%.Rainfall
The wettest months are October and December, with an average 3.15" (80mm) of rainfall.Snowfall
Months with snowfall are January through May, October through December. In Castle Point, during December, snow falls for 6.5 days and regularly aggregates up to 3.54" (90mm) of snow. In Castle Point, during the entire year, snow falls for 34.9 days and aggregates up to 17.95" (456mm) of snow.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year in Castle Point.On the first day of December, sunrise is at 7:03 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:36 pm EST.
Sunshine
The average sunshine in December is 4.7h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 1 in December translates into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. To avoid the Sun's strongest rays, limit exposure around the mid-day period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Castle Point, NY
- Average high temperature in December: 38.7°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Castle Point, NY
- Average pressure in December: 30.06"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
Castle Point, NY
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Castle Point, 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 (74%).
Average rainfall in December
Castle Point, NY
- Average rainfall in December: 3.15"
The wettest months (with the highest rainfall) are October and December (3.15").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Castle Point, NY
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (8 days).
Average snowfall in December
Castle Point, NY
- Average snowfall in December: 3.54"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Castle Point, NY
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Castle Point, 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 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in December
Castle Point, NY
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in December
Castle Point, NY
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Castle Point, NY
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in December
Castle Point, 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).
