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Sea Temperature in Rockport in December

Complete information on the sea temperature range in the Atlantic Ocean in Rockport in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Rockport. 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 Rockport in December

4°C

MINIMUN

7.5°C

AVERAGE

11°C

MAXIMUM

Historical Data of Water Temperature in December in Rockport

Water Temperature Chart for Atlantic Ocean in Rockport in December

Sea Temperature Table in Rockport in December Over the Past Years

Day202420232022Average
Dec 19°C9°C10°C9.5°C
Dec 29°C9°C10°C9.8°C
Dec 39°C9°C10°C9.8°C
Dec 49°C9°C10°C9.8°C
Dec 59°C9°C10°C9.5°C
Dec 69°C9°C9°C9.3°C
Dec 79°C9°C9°C9.3°C
Dec 89°C9°C9°C9.0°C
Dec 98°C9°C8°C8.8°C
Dec 109°C8°C10°C9.3°C
Dec 119°C8°C10°C9.3°C
Dec 128°C9°C9°C9.0°C
Dec 138°C9°C9°C9.0°C
Dec 148°C9°C9°C9.0°C
Dec 158°C8°C9°C8.8°C
Dec 168°C8°C9°C8.5°C
Dec 178°C8°C9°C8.5°C
Dec 188°C8°C9°C8.5°C
Dec 198°C8°C8°C8.5°C
Dec 208°C8°C8°C8.3°C
Dec 218°C8°C8°C8.3°C
Dec 228°C8°C8°C8.3°C
Dec 237°C8°C7°C7.8°C
Dec 248°C7°C7°C7.8°C
Dec 257°C7°C7°C7.5°C
Dec 267°C7°C7°C7.5°C
Dec 277°C7°C7°C7.5°C
Dec 287°C7°C7°C7.5°C
Dec 297°C7°C7°C7.5°C
Dec 307°C7°C6°C7.3°C
Massachusetts, United StatesMassachusetts, United StatesMassachusetts, United States

Rockport Climate and Swimming Opportunities in December

6°C

Average Day Air Temperature

-4°C

Average Night Air Temperature

105 mm

Precipitation Amount per Month

12 days

Number of Rainy Days

9 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

17 km/h

Average Wind Speed

66%

Average
humidity

Rockport lies within the Massachusetts in United States. The average daytime temperature in Rockport in December is 44°F (6°C), while the nighttime average is 26°F (-4°C). There are typically 12 rainy days during the month, with a total precipitation of 4.1 inches (105 mm). The daylight duration in December in Rockport is 9 hours, with an average of 4 hours of sunshine per day. The average wind speed in December is 11 mph (17 km/h), and the humidity level is around 66%.

The water temperature in Rockport in December ranges from 45°F to 50°F (7°C to 10°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 Rockport for December is 48°F (9°C). Still too cold for most swimmers. Only short dips in proper gear are advisable.

Frequently Asked Questions About Water Temperatures in December in Rockport

What is the sea temperature in Rockport in December?

The water temperature in the Atlantic Ocean in Rockport in December ranges from 45°F to 50°F (7°C to 10°C).

Is it possible to swim in the Atlantic Ocean in Rockport in December?

The average sea temperature in Rockport in December is 48°F (9°C), and the air temperature is 44°F (6°C), so still too cold for most swimmers. Only short dips in proper gear are advisable.