Hayman Island Sea Temperature in April

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

Average water temperature in Hayman Island for April

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

27.28° C

(81.1° F)

highest: 29.05° C (84.29° F)
lowest: 25.54° C (77.97° F)

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

Water temperature range by day in April in Hayman Island

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

Water temperatures for April in Hayman Island in recent years

Day	2025	2024	2023	2022
1	28.31° C	28.03° C	28.89° C	28.45° C
2	28.41° C	28° C	28.87° C	28.39° C
3	28.39° C	27.96° C	28.81° C	28.44° C
4	28.52° C	27.99° C	28.77° C	28.39° C
5	28.71° C	28.11° C	28.74° C	28.32° C
6	28.72° C	28.12° C	28.75° C	28.28° C
7	28.52° C	28.18° C	28.78° C	28.26° C
8	28.24° C	28.21° C	28.9° C	28.28° C
9	27.99° C	28.33° C	28.94° C	28.19° C
10	27.85° C	28.19° C	28.99° C	28.2° C
11	27.79° C	28.04° C	28.86° C	28.2° C
12	27.8° C	27.94° C	28.91° C	28.07° C
13	27.57° C	27.83° C	29.05° C	27.92° C
14	27.47° C	27.72° C	28.98° C	27.87° C
15	27.33° C	27.64° C	28.92° C	27.74° C
16	27.17° C	27.59° C	28.92° C	27.66° C
17	26.97° C	27.58° C	28.77° C	27.59° C
18	27.29° C	27.63° C	28.59° C	27.66° C
19	27.46° C	27.59° C	28.45° C	27.62° C
20	27.41° C	27.66° C	28.32° C	27.53° C
21	27.15° C	27.74° C	28.19° C	27.47° C
22	27.3° C	27.63° C	28.05° C	26.1° C
23	27.14° C	27.37° C	27.88° C	27.14° C
24	26.99° C	27.29° C	27.69° C	26.96° C
25	27° C	27.05° C	27.49° C	26.83° C
26	0° C	27.06° C	27.3° C	26.67° C
27	0° C	27.05° C	27.14° C	26.62° C
28	0° C	26.95° C	27.06° C	26.53° C
29	0° C	26.87° C	27° C	26.48° C
30	0° C	26.74° C	26.84° C	26.48° C