Sea Temperature in Long Jetty in December

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

19°C

MINIMUN

22°C

AVERAGE

25°C

MAXIMUM

Historical Data of Water Temperature in December in Long Jetty

Water Temperature Chart for Tasman Sea in Long Jetty in December

Sea Temperature Table in Long Jetty in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	21°C	21°C	20°C	20.8°C
Dec 2	21°C	21°C	20°C	20.8°C
Dec 3	20°C	21°C	20°C	20.8°C
Dec 4	21°C	21°C	20°C	21.0°C
Dec 5	20°C	21°C	20°C	20.5°C
Dec 6	21°C	21°C	20°C	20.8°C
Dec 7	21°C	21°C	20°C	21.0°C
Dec 8	20°C	21°C	21°C	20.5°C
Dec 9	21°C	20°C	21°C	20.8°C
Dec 10	20°C	21°C	20°C	20.8°C
Dec 11	21°C	22°C	20°C	21.3°C
Dec 12	21°C	22°C	20°C	21.0°C
Dec 13	20°C	22°C	21°C	21.3°C
Dec 14	20°C	22°C	21°C	21.5°C
Dec 15	20°C	21°C	21°C	21.3°C
Dec 16	20°C	21°C	21°C	21.0°C
Dec 17	22°C	21°C	20°C	21.5°C
Dec 18	22°C	22°C	20°C	21.8°C
Dec 19	22°C	22°C	20°C	22.0°C
Dec 20	20°C	22°C	20°C	21.5°C
Dec 21	20°C	22°C	20°C	21.3°C
Dec 22	21°C	22°C	20°C	21.5°C
Dec 23	21°C	21°C	20°C	21.5°C
Dec 24	21°C	22°C	20°C	21.8°C
Dec 25	21°C	22°C	20°C	22.0°C
Dec 26	21°C	22°C	20°C	22.0°C
Dec 27	22°C	22°C	21°C	22.3°C
Dec 28	21°C	22°C	21°C	22.3°C
Dec 29	22°C	23°C	21°C	22.5°C
Dec 30	22°C	23°C	21°C	22.5°C

Long Jetty Climate and Swimming Opportunities in December

26°C

Average Day Air Temperature

18°C

Average Night Air Temperature

79 mm

Precipitation Amount per Month

11 days

Number of Rainy Days

14 hrs

Daylight
per Day

8 hrs

Sunshine
per Day

19 km/h

Average Wind Speed

61%

Average
humidity

Long Jetty lies within the New South Wales in Australia. The average daytime temperature in Long Jetty in December is 26°C (79°F), while the nighttime average is 18°C (64°F). There are typically 11 rainy days during the month, with a total precipitation of 79 mm (3.1 inches). The daylight duration in December in Long Jetty is 14 hours, with an average of 8 hours of sunshine per day. The average wind speed in December is 19 km/h (12 mph), and the humidity level is around 61%.

The water temperature in Long Jetty in December ranges from 20°C to 22°C (68°F to 72°F). At the beginning of the month, the average temperature is around 21°C (70°F), shifting to 21°C (70°F) by mid-December and reaching 22°C (72°F) in the last ten days. Overall, the average sea temperature in Long Jetty for December is 21°C (70°F). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Long Jetty

What is the sea temperature in Long Jetty in December?

The water temperature in the Tasman Sea in Long Jetty in December ranges from 20°C to 22°C (68°F to 72°F).

Is it possible to swim in the Tasman Sea in Long Jetty in December?

The average sea temperature in Long Jetty in December is 21°C (70°F), and the air temperature is 26°C (79°F), so perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.