Jervis Bay — Water Temperature in January

Water Temperature Range

19°C

minimum

22°C

average

25°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
JAN 1	23°C	23°C	23°C	23°C
JAN 2	23°C	23°C	22°C	23°C
JAN 3	23°C	23°C	22°C	23°C
JAN 4	22°C	22°C	21°C	23°C
JAN 5	22°C	22°C	21°C	23°C
JAN 6	22°C	22°C	21°C	23°C
JAN 7	22°C	22°C	21°C	23°C
JAN 8	23°C	23°C	22°C	23°C
JAN 9	22°C	22°C	21°C	23°C
JAN 10	23°C	23°C	22°C	23°C
JAN 11	23°C	23°C	22°C	23°C
JAN 12	22°C	22°C	21°C	23°C
JAN 13	23°C	23°C	23°C	23°C
JAN 14	24°C	24°C	24°C	23°C
JAN 15	24°C	24°C	24°C	23°C
JAN 16	23°C	23°C	23°C	22°C
JAN 17	22°C	22°C	22°C	22°C
JAN 18	23°C	23°C	23°C	22°C
JAN 19	22°C	22°C	22°C	22°C
JAN 20	23°C	23°C	22°C	23°C
JAN 21	23°C	23°C	22°C	23°C
JAN 22	23°C	23°C	22°C	23°C
JAN 23	23°C	23°C	22°C	23°C
JAN 24	23°C	23°C	23°C	23°C
JAN 25	23°C	23°C	23°C	23°C
JAN 26	24°C	24°C	24°C	23°C
JAN 27	25°C	25°C	25°C	24°C
JAN 28	25°C	25°C	25°C	24°C
JAN 29	24°C	24°C	24°C	24°C
JAN 30	24°C	24°C	24°C	24°C
JAN 31	24°C	24°C	24°C	24°C

January: Climate and Swimming Opportunities

Average Night Air Temperature

17°C

Average Day Air Temperature

27°C

Precipitation Amount per Month

85 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

7 hrs

Average Wind Speed

16 km/h

Average Humidity

68%

At such water and air temperatures, swimming is pleasant and refreshing rather than hot. After you get in, it feels comfortable, and you’ll warm up quickly when you come out.