Weather in December
December invites average temperatures in Old Saybrook Center to drop further, ushering in the winter season. Sea temperatures sink further, reflecting the overall chill in the environment. Despite being cold, December offers a warmer setting compared to the forthcoming January. As daylight hours decrease, the city finds joy in the holiday spirit. The frosty weather amplifies the festive mood, wrapping Old Saybrook Center in a blanket of cold and cheer.
Note: Taking a dip in 48.9°F (9.4°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:30 pm EST.
Ocean temperature
In Old Saybrook Center, the average seawater temperature in December is 48.9°F (9.4°C).Note: Taking a dip in 48.9°F (9.4°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.
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 6:56 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:15 am and sunset at 4:30 pm EST.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the ocean temperature in December in Old Saybrook Center?
In Old Saybrook Center, the average seawater temperature in December is 48.9°F (9.4°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
What is the average length of the day in December?
In December, the average day length is 9h and 15min.
When are sunrise and sunset in December?
On the first day of December, sunrise is at 6:56 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:30 pm EST.
Average sea temperature in December
Old Saybrook Center, CT
- Average sea temperature in December: 48.9°F
The best month for swimming (with the highest average sea temperature) is August (72.1°F).
The coldest month (with the lowest average sea temperature) is February (38.8°F).
Average daylight in December
Old Saybrook Center, CT
- 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).
Old Saybrook Center, Connecticut, USA
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