Mallacoota — Water Temperature in May

Water Temperature Range

16°C

minimum

19°C

average

22°C

maximum

Water Temperature Chart for May

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

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

Climate and Swimming Opportunities in Mallacoota in May

Average Day Air Temperature

21°C

Average Night Air Temperature

11°C

Precipitation Amount per Month

107 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

6 hrs

Average Wind Speed

13 km/h

Average Humidity

67%

At such water and air temperatures, swimming feels cool and invigorating. It’s comfortable for a quick dip, and you’ll feel fine as long as you warm up soon after.