Gymea Bay Sea Temperature in April

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

Average water temperature in Gymea Bay for April

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

22.63° C

(72.74° F)

highest: 25.33° C (77.59° F)
lowest: 20.17° C (68.31° F)

Water at this temperature is very pleasant to swim in and if you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

Water temperature range by day in April in Gymea Bay

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

Water temperatures for April in Gymea Bay in recent years

Day	2025	2024	2023	2022
1	24.47° C	22.12° C	22.69° C	22.78° C
2	24.68° C	22.02° C	22.69° C	22.57° C
3	24.79° C	21.94° C	22.88° C	22.44° C
4	24.94° C	21.77° C	22.99° C	22.47° C
5	24.87° C	21.6° C	23.16° C	22.34° C
6	24.76° C	21.52° C	23.48° C	22.4° C
7	24.43° C	21.69° C	23.53° C	22.22° C
8	24.38° C	21.8° C	23.38° C	22.21° C
9	24.48° C	21.77° C	23.14° C	22.31° C
10	24.58° C	21.62° C	22.96° C	22.6° C
11	24.55° C	21.52° C	22.87° C	22.86° C
12	24.49° C	21.29° C	22.84° C	22.93° C
13	24.2° C	21.22° C	22.87° C	22.96° C
14	24.13° C	21.37° C	22.85° C	22.76° C
15	23.76° C	21.58° C	22.81° C	22.7° C
16	23.69° C	21.92° C	22.67° C	22.56° C
17	23.76° C	22.17° C	22.6° C	22.62° C
18	23.45° C	22.56° C	22.68° C	22.95° C
19	23.41° C	22.56° C	22.67° C	22.67° C
20	23.52° C	22.43° C	22.66° C	23.02° C
21	23.79° C	22.23° C	22.83° C	23.86° C
22	23.94° C	22.16° C	22.92° C	23.86° C
23	23.86° C	22.29° C	23.05° C	23.75° C
24	23.82° C	22.35° C	23.2° C	23.6° C
25	23.58° C	22.57° C	23.19° C	23.78° C
26	0° C	22.66° C	23.09° C	23.61° C
27	0° C	22.58° C	22.95° C	23.75° C
28	0° C	22.74° C	23° C	23.85° C
29	0° C	22.63° C	23° C	23.96° C
30	0° C	22.44° C	23.05° C	23.72° C