Sea Temperature in Mornington in December

Complete information on the sea temperature range in the Tasman Sea in Mornington in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Mornington. 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 Mornington in December

15°C

MINIMUN

18°C

AVERAGE

21°C

MAXIMUM

Historical Data of Water Temperature in December in Mornington

Water Temperature Chart for Tasman Sea in Mornington in December

Sea Temperature Table in Mornington in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	18°C	18°C	16°C	17.8°C
Dec 2	18°C	18°C	17°C	17.8°C
Dec 3	19°C	16°C	17°C	17.5°C
Dec 4	19°C	17°C	17°C	17.8°C
Dec 5	18°C	17°C	18°C	17.5°C
Dec 6	19°C	18°C	18°C	18.3°C
Dec 7	19°C	18°C	18°C	18.0°C
Dec 8	19°C	19°C	18°C	18.3°C
Dec 9	19°C	20°C	18°C	18.5°C
Dec 10	19°C	18°C	17°C	17.8°C
Dec 11	20°C	18°C	18°C	18.3°C
Dec 12	19°C	19°C	17°C	18.3°C
Dec 13	20°C	17°C	17°C	18.0°C
Dec 14	18°C	18°C	17°C	17.8°C
Dec 15	19°C	19°C	17°C	18.3°C
Dec 16	19°C	19°C	17°C	18.3°C
Dec 17	19°C	18°C	17°C	18.0°C
Dec 18	20°C	18°C	16°C	18.3°C
Dec 19	20°C	18°C	17°C	18.3°C
Dec 20	20°C	19°C	17°C	18.5°C
Dec 21	20°C	18°C	16°C	18.0°C
Dec 22	20°C	18°C	17°C	18.3°C
Dec 23	20°C	17°C	18°C	18.3°C
Dec 24	18°C	18°C	18°C	18.3°C
Dec 25	18°C	19°C	17°C	18.0°C
Dec 26	20°C	18°C	18°C	18.8°C
Dec 27	20°C	19°C	18°C	19.0°C
Dec 28	19°C	19°C	19°C	18.8°C
Dec 29	20°C	19°C	18°C	19.0°C
Dec 30	19°C	19°C	19°C	19.0°C

Mornington Climate and Swimming Opportunities in December

22°C

Average Day Air Temperature

12°C

Average Night Air Temperature

60 mm

Precipitation Amount per Month

9 days

Number of Rainy Days

15 hrs

Daylight
per Day

8 hrs

Sunshine
per Day

21 km/h

Average Wind Speed

57%

Average
humidity

Mornington lies within the Victoria in Australia. The average daytime temperature in Mornington in December is 22°C (72°F), while the nighttime average is 12°C (53°F). There are typically nine rainy days during the month, with a total precipitation of 60 mm (2.3 inches). The daylight duration in December in Mornington is 15 hours, with an average of 8 hours of sunshine per day. The average wind speed in December is 21 km/h (13 mph), and the humidity level is around 57%.

The water temperature in Mornington in December ranges from 17°C to 19°C (63°F to 66°F). At the beginning of the month, the average temperature is around 18°C (64°F), shifting to 18°C (64°F) by mid-December and reaching 19°C (66°F) in the last ten days. Overall, the average sea temperature in Mornington for December is 18°C (64°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Mornington

What is the sea temperature in Mornington in December?

The water temperature in the Tasman Sea in Mornington in December ranges from 17°C to 19°C (63°F to 66°F).

Is it possible to swim in the Tasman Sea in Mornington in December?

The average sea temperature in Mornington in December is 18°C (64°F), and the air temperature is 22°C (72°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.