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Sea Temperature in Stony Brook in December
Complete information on the sea temperature range in the Atlantic Ocean in Stony Brook in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Stony Brook. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Stony Brook in December
5°C
MINIMUN
9°C
AVERAGE
13°C
MAXIMUM
Historical Data of Water Temperature in December in Stony Brook
Water Temperature Chart for Atlantic Ocean in Stony Brook in December
Sea Temperature Table in Stony Brook in December Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Dec 1 | 12°C | 9°C | 11°C | 10.8°C |
| Dec 2 | 11°C | 9°C | 11°C | 10.3°C |
| Dec 3 | 11°C | 9°C | 11°C | 10.3°C |
| Dec 4 | 11°C | 10°C | 11°C | 10.5°C |
| Dec 5 | 11°C | 10°C | 10°C | 10.3°C |
| Dec 6 | 10°C | 10°C | 10°C | 10.0°C |
| Dec 7 | 10°C | 10°C | 11°C | 10.3°C |
| Dec 8 | 10°C | 10°C | 9°C | 9.8°C |
| Dec 9 | 10°C | 10°C | 9°C | 10.0°C |
| Dec 10 | 9°C | 9°C | 11°C | 9.8°C |
| Dec 11 | 9°C | 9°C | 10°C | 9.3°C |
| Dec 12 | 10°C | 9°C | 10°C | 9.5°C |
| Dec 13 | 10°C | 9°C | 10°C | 9.8°C |
| Dec 14 | 10°C | 9°C | 10°C | 9.8°C |
| Dec 15 | 9°C | 9°C | 9°C | 9.3°C |
| Dec 16 | 8°C | 7°C | 9°C | 8.3°C |
| Dec 17 | 9°C | 8°C | 9°C | 8.8°C |
| Dec 18 | 10°C | 8°C | 9°C | 9.0°C |
| Dec 19 | 9°C | 9°C | 9°C | 9.3°C |
| Dec 20 | 10°C | 8°C | 8°C | 8.8°C |
| Dec 21 | 9°C | 8°C | 8°C | 8.8°C |
| Dec 22 | 9°C | 8°C | 7°C | 8.3°C |
| Dec 23 | 9°C | 8°C | 7°C | 8.3°C |
| Dec 24 | 9°C | 7°C | 8°C | 8.3°C |
| Dec 25 | 8°C | 7°C | 8°C | 8.0°C |
| Dec 26 | 8°C | 7°C | 7°C | 7.5°C |
| Dec 27 | 9°C | 7°C | 7°C | 8.0°C |
| Dec 28 | 7°C | 7°C | 7°C | 7.5°C |
| Dec 29 | 7°C | 7°C | 6°C | 7.3°C |
| Dec 30 | 7°C | 8°C | 6°C | 7.5°C |
Stony Brook Climate and Swimming Opportunities in December
7°C
Average Day Air Temperature
-2°C
Average Night Air Temperature
112 mm
Precipitation Amount per Month
12 days
Number of Rainy Days
9 hrs
Daylight
per Day
5 hrs
Sunshine
per Day
19 km/h
Average Wind Speed
68%
Average
humidity
Stony Brook lies within the New York in United States. The average daytime temperature in Stony Brook in December is 44°F (7°C), while the nighttime average is 29°F (-2°C). There are typically 12 rainy days during the month, with a total precipitation of 4.4 inches (112 mm). The daylight duration in December in Stony Brook is 9 hours, with an average of 5 hours of sunshine per day. The average wind speed in December is 12 mph (19 km/h), and the humidity level is around 68%.
The water temperature in Stony Brook in December ranges from 45°F to 52°F (7°C to 11°C). At the beginning of the month, the average temperature is around 50°F (10°C), shifting to 48°F (9°C) by mid-December and reaching 46°F (8°C) in the last ten days. Overall, the average sea temperature in Stony Brook for December is 48°F (9°C). Still too cold for most swimmers. Only short dips in proper gear are advisable.
Sea Temperature in December in Nearby Cities
Frequently Asked Questions About Water Temperatures in December in Stony Brook
What is the sea temperature in Stony Brook in December?
The water temperature in the Atlantic Ocean in Stony Brook in December ranges from 45°F to 52°F (7°C to 11°C).
Is it possible to swim in the Atlantic Ocean in Stony Brook in December?
The average sea temperature in Stony Brook in December is 48°F (9°C), and the air temperature is 44°F (7°C), so still too cold for most swimmers. Only short dips in proper gear are advisable.