December weather forecastBay Shore, NY
December
Weather in December
December, the first month of the winter in Bay Shore, is still a chilly month, with an average temperature ranging between min 36.9°F (2.7°C) and max 43.9°F (6.6°C).Temperature
December indicates a minor shift in the average high-temperature, from November's fresh 52°F (11.1°C) to a frosty 43.9°F (6.6°C). The month of December in Bay Shore is marked by an average minimum temperature of 36.9°F (2.7°C), slightly cooler than its daytime counterpart.Humidity
In December, the average relative humidity is 74%.Rainfall
In December, in Bay Shore, the rain falls for 11.6 days. Throughout December, 3.58" (91mm) of precipitation is accumulated. Throughout the year, there are 153.2 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
January through March, October through December are months with snowfall. In December, in Bay Shore, it is snowing for 1.7 days. Throughout December, 1.42" (36mm) of snow is accumulated. In Bay Shore, during the entire year, snow falls for 13 days and aggregates up to 5.87" (149mm) of snow.Daylight
The month with the shortest days in Bay Shore, New York, is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 6:58 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:35 pm EST.
Sunshine
In December, the average sunshine in Bay Shore is 4.9h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Bay Shore, New York. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December translates into the following guidance:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bay Shore, NY
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 36.9°F
The month with the highest average low temperature is August (72°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
Bay Shore, 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
Bay Shore, NY
- Average wind speed in December: 12.9mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in December
Bay Shore, NY
- Average humidity in December: 74%
The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Bay Shore, NY
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is July (3.86").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in December
Bay Shore, NY
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Bay Shore, NY
- Average snowfall in December: 1.42"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Bay Shore, NY
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (4.2 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
Bay Shore, NY
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Bay Shore, NY
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in December
Bay Shore, 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 and December (UV index 2).
Average cloud cover in December
Bay Shore, NY
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Bay Shore, 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).
