Hamilton Sea Temperature in March

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

Average water temperature in Hamilton for March

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

19.83° C

(67.7° F)

highest: 21.33° C (70.39° F)
lowest: 18.09° C (64.56° 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 March in Hamilton

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

Water temperatures for March in Hamilton in recent years

Day	2024	2023	2022	2021
1	18.95° C	19.82° C	20.83° C	19.9° C
2	18.95° C	19.88° C	20.66° C	19.99° C
3	19° C	20° C	20.67° C	19.95° C
4	19.13° C	20.09° C	20.63° C	19.79° C
5	19.25° C	19.9° C	20.56° C	19.76° C
6	19.35° C	19.89° C	20.54° C	19.76° C
7	19.2° C	19.77° C	20.55° C	19.75° C
8	19.52° C	19.67° C	20.58° C	19.68° C
9	19.63° C	19.67° C	20.72° C	19.69° C
10	19.56° C	19.57° C	20.77° C	19.78° C
11	19.45° C	19.47° C	20.83° C	19.8° C
12	19.33° C	19.42° C	20.9° C	19.77° C
13	18.95° C	19.43° C	20.77° C	19.9° C
14	19.17° C	19.37° C	20.46° C	19.76° C
15	19.21° C	19.41° C	20.47° C	19.8° C
16	19.32° C	19.36° C	20.5° C	19.81° C
17	19.39° C	19.08° C	20.49° C	19.44° C
18	19.47° C	19.34° C	20.58° C	19.45° C
19	19.42° C	19.42° C	20.81° C	19.32° C
20	19.44° C	19.43° C	20.89° C	19.28° C
21	19.34° C	19.37° C	20.86° C	19.29° C
22	19.27° C	19.48° C	20.69° C	19.43° C
23	19.3° C	19.5° C	20.61° C	19.81° C
24	19.26° C	19.5° C	20.63° C	20.06° C
25	19.19° C	19.61° C	20.55° C	20.58° C
26	19.25° C	19.78° C	20.6° C	20.89° C
27	19.37° C	19.83° C	20.59° C	20.7° C
28	19.54° C	19.95° C	20.56° C	20.63° C
29	19.52° C	20.09° C	20.56° C	20.18° C
30	19.33° C	20.03° C	20.46° C	20.05° C
31	19.06° C	19.93° C	20.43° C	19.68° C