December weather forecastBaldwin Harbor, NY
December
Weather in December
December, the first month of the winter in Baldwin Harbor, is still a chilly month, with an average temperature ranging between min 36.7°F (2.6°C) and max 43.7°F (6.5°C).Temperature
As Baldwin Harbor enters December, the average high-temperature subtly lowers from the a fresh 51.6°F (10.9°C) of November to a frosty 43.7°F (6.5°C). December nights reflect a consistent temperature dip to an icy 36.7°F (2.6°C), a slight descent from daytime peaks.Humidity
The average relative humidity in December is 74%.Rainfall
In December, the rain falls for 11.5 days. Throughout December, 3.74" (95mm) of precipitation is accumulated. Throughout the year, there are 159.2 rainfall days, and 37.17" (944mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Baldwin Harbor, in December, snow falls for 2.1 days, with typically accumulated 0.98" (25mm) of snow. In Baldwin Harbor, during the entire year, snow falls for 15.3 days and aggregates up to 5.04" (128mm) of snow.Ocean temperature
In Baldwin Harbor, in December, the average water temperature is 48°F (8.9°C).Note: Engaging in a swim in 48°F (8.9°C) can threaten life. Brief exposure to 55.4°F (13°C) waters is uneasy, and submersion below 50°F (10°C) can lead to cold shock and disrupted breathing patterns, varying by individual.
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 6:59 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:37 pm EST.
Sunshine
In Baldwin Harbor, the average sunshine in December 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. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Baldwin Harbor, NY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 36.7°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Baldwin Harbor, 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
Baldwin Harbor, NY
- Average wind speed in December: 13.1mph
The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in December
Baldwin Harbor, NY
- Average humidity in December: 74%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Baldwin Harbor, NY
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in December
Baldwin Harbor, NY
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in December
Baldwin Harbor, NY
- Average snowfall in December: 0.98"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Baldwin Harbor, NY
- Average snowfall days in December: 2.1 days
The months with the highest number of snowfall days are January and February (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in December
Baldwin Harbor, NY
- Average sea temperature in December: 48.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in December /
Average sunshine in December
Baldwin Harbor, 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
Baldwin Harbor, NY
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in December
Baldwin Harbor, 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
Baldwin Harbor, 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
Baldwin Harbor, 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).





