Hamilton Sea Temperature in May

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

Average water temperature in Hamilton for May

The average, high, and low temperatures below should help you if you can swim in the water in Hamilton in May.

21.95° C

(71.51° F)

highest: 25.22° C (77.4° F)
lowest: 19.68° C (67.42° 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 May in Hamilton

The chart below shows the range of low and high temperatures by day for the month of May in Hamilton.

Water temperatures for May in Hamilton in recent years

Day	2024	2023	2022	2021
1	0° C	21.24° C	20.47° C	20.36° C
2	0° C	21.31° C	20.6° C	20.61° C
3	0° C	21.33° C	20.62° C	20.67° C
4	0° C	21.28° C	20.62° C	20.65° C
5	0° C	21.19° C	20.76° C	20.95° C
6	0° C	21.08° C	20.97° C	21.1° C
7	0° C	21.05° C	21.25° C	21.37° C
8	0° C	20.98° C	21.27° C	21.54° C
9	0° C	20.88° C	21.4° C	21.46° C
10	0° C	20.87° C	21.48° C	21.45° C
11	0° C	20.95° C	21.51° C	21.47° C
12	0° C	20.92° C	21.55° C	21.48° C
13	0° C	21.01° C	21.66° C	21.69° C
14	0° C	21.29° C	21.84° C	21.44° C
15	0° C	21.26° C	22.03° C	21.31° C
16	0° C	21.29° C	22.18° C	21.37° C
17	0° C	21.29° C	22.3° C	21.48° C
18	0° C	21.38° C	22.62° C	21.82° C
19	0° C	21.16° C	22.86° C	22.07° C
20	0° C	21.08° C	22.99° C	22.03° C
21	0° C	20.93° C	23.31° C	22.07° C
22	0° C	21.26° C	23.43° C	22° C
23	0° C	21.45° C	23.59° C	21.9° C
24	0° C	21.87° C	23.76° C	21.8° C
25	0° C	21.97° C	23.86° C	21.97° C
26	0° C	22.62° C	24.17° C	22.24° C
27	0° C	22.14° C	23.92° C	22.46° C
28	0° C	22.29° C	23.68° C	22.92° C
29	0° C	22.51° C	23.92° C	23.14° C
30	0° C	22.81° C	24.46° C	23.31° C
31	0° C	22.82° C	24.57° C	23.59° C