Deception Bay — Water Temperature in May

Water Temperature Range

19°C

minimum

23°C

average

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

May: Climate and Swimming Opportunities

Average Night Air Temperature

14°C

Average Day Air Temperature

24°C

Precipitation Amount per Month

106 mm

Number of Rainy Days

Daylight per Day

11 hrs

Sunshine per Day

6 hrs

Average Wind Speed

12 km/h

Average Humidity

63%

With such a ratio between the average monthly temperatures of water and air, swimming feels warm and comfortable even if the day isn’t hot. The water can feel warmer than the air, so getting out may feel a bit cool.