Sea Temperature in Weymouth in December

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

39°F

MINIMUN

45°F

AVERAGE

50°F

MAXIMUM

Historical Data of Water Temperature in December in Weymouth

Water Temperature Chart for Atlantic Ocean in Weymouth in December

Sea Temperature Table in Weymouth in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	46°C	46°C	48°C	48°C
Dec 2	46°C	48°C	46°C	47°C
Dec 3	46°C	45°C	48°C	47°C
Dec 4	46°C	45°C	48°C	47°C
Dec 5	46°C	46°C	48°C	48°C
Dec 6	46°C	46°C	46°C	47°C
Dec 7	45°C	46°C	46°C	46°C
Dec 8	45°C	45°C	46°C	46°C
Dec 9	43°C	45°C	46°C	46°C
Dec 10	45°C	45°C	48°C	46°C
Dec 11	45°C	45°C	46°C	46°C
Dec 12	45°C	45°C	46°C	46°C
Dec 13	45°C	46°C	46°C	46°C
Dec 14	45°C	45°C	46°C	46°C
Dec 15	41°C	43°C	43°C	44°C
Dec 16	41°C	43°C	45°C	44°C
Dec 17	41°C	45°C	46°C	45°C
Dec 18	41°C	45°C	43°C	44°C
Dec 19	43°C	45°C	43°C	44°C
Dec 20	45°C	45°C	45°C	45°C
Dec 21	43°C	45°C	43°C	44°C
Dec 22	43°C	45°C	43°C	44°C
Dec 23	41°C	43°C	45°C	44°C
Dec 24	41°C	43°C	45°C	44°C
Dec 25	41°C	43°C	43°C	43°C
Dec 26	41°C	43°C	43°C	43°C
Dec 27	43°C	45°C	41°C	43°C
Dec 28	43°C	43°C	41°C	43°C
Dec 29	41°C	43°C	43°C	43°C
Dec 30	41°C	43°C	41°C	42°C

Weymouth Climate and Swimming Opportunities in December

43°F

Average Day Air Temperature

25°F

Average Night Air Temperature

4 in

Precipitation Amount per Month

12 days

Number of Rainy Days

9 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

10 mph

Average Wind Speed

66%

Average
humidity

Weymouth lies within the Massachusetts in United States. The average daytime temperature in Weymouth 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 Weymouth 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 Weymouth in December ranges from 41°F to 48°F (5°C to 9°C). At the beginning of the month, the average temperature is around 46°F (8°C), shifting to 45°F (7°C) by mid-December and reaching 43°F (6°C) in the last ten days. Overall, the average sea temperature in Weymouth for December is 45°F (7°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 Weymouth

What is the sea temperature in Weymouth in December?

The water temperature in the Atlantic Ocean in Weymouth in December ranges from 41°F to 48°F (5°C to 9°C).

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

The average sea temperature in Weymouth in December is 45°F (7°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.