Bonnet Bay Sea Temperature in August

Looking to find out what the average sea water temperature in Bonnet Bay is for August? Find out what the lowest, highest, and average water temperatures are for Bonnet Bay over the past 10 years.

Average water temperature in Bonnet Bay for August

The average, high, and low temperatures below should help you if you can swim in the water in Bonnet Bay in August.

18.08° C

(64.54° F)

highest: 21.21° C (70.18° F)
lowest: 15.49° C (59.88° F)

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

Water temperature range by day in August in Bonnet Bay

The chart below shows the range of low and high temperatures by day for the month of August in Bonnet Bay.

Water temperatures for August in Bonnet Bay in recent years

Day	2024	2023	2022	2021
1	0° C	18.69° C	18.4° C	18.68° C
2	0° C	18.75° C	18.31° C	18.57° C
3	0° C	18.37° C	18.28° C	18.64° C
4	0° C	18.81° C	18.34° C	18.67° C
5	0° C	18.72° C	18.36° C	18.69° C
6	0° C	18.64° C	18.44° C	18.97° C
7	0° C	18.68° C	18.33° C	19.27° C
8	0° C	18.79° C	18.28° C	19.25° C
9	0° C	18.8° C	18.2° C	18.78° C
10	0° C	18.61° C	18.16° C	18.45° C
11	0° C	18.5° C	18.25° C	18.44° C
12	0° C	18.34° C	18.2° C	18.33° C
13	0° C	18.25° C	18.17° C	18.11° C
14	0° C	18.2° C	18.05° C	17.96° C
15	0° C	18.45° C	18.02° C	17.94° C
16	0° C	18.61° C	18.06° C	17.99° C
17	0° C	18.76° C	18.09° C	18.01° C
18	0° C	18.65° C	18.32° C	17.93° C
19	0° C	18.5° C	18.46° C	18.09° C
20	0° C	18.52° C	18.42° C	18.25° C
21	0° C	18.56° C	18.3° C	18.24° C
22	0° C	18.54° C	18.18° C	18.21° C
23	0° C	18.45° C	18.14° C	18.23° C
24	0° C	18.37° C	18.2° C	18.06° C
25	0° C	18.02° C	18.22° C	17.8° C
26	0° C	18.19° C	18.35° C	17.92° C
27	0° C	18.22° C	18.37° C	17.73° C
28	0° C	18.44° C	18.34° C	17.67° C
29	0° C	18.46° C	18.17° C	18.02° C
30	0° C	18.47° C	18.14° C	18.64° C
31	0° C	18.48° C	18.29° C	18.77° C