Seacliff Sea Temperature in January

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

Average water temperature in Seacliff for January

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

21.36° C

(70.44° F)

highest: 23.47° C (74.25° F)
lowest: 18.96° C (66.13° 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 January in Seacliff

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

Water temperatures for January in Seacliff in recent years

Day	2025	2024	2023	2022
1	21.44° C	19.33° C	20.49° C	21.64° C
2	21.62° C	19.24° C	20.28° C	21.13° C
3	22.17° C	19.51° C	19.99° C	20.86° C
4	22.43° C	19.9° C	20.04° C	20.7° C
5	22.09° C	20.18° C	20.01° C	20.74° C
6	21.6° C	20.22° C	20.3° C	20.71° C
7	21.56° C	19.8° C	21.32° C	20.36° C
8	21.79° C	19.73° C	21.47° C	20.14° C
9	21.95° C	19.89° C	21.03° C	20.91° C
10	22.17° C	20.23° C	20.97° C	21.36° C
11	22.19° C	20.75° C	21.23° C	21.48° C
12	22.44° C	21.26° C	21.69° C	21.19° C
13	22.62° C	20.96° C	22.54° C	21.04° C
14	23.15° C	20.77° C	22.42° C	21.03° C
15	22.45° C	21.01° C	21.94° C	21.17° C
16	22.36° C	21.05° C	21.98° C	21.43° C
17	22.59° C	20.57° C	21.96° C	20.87° C
18	23.02° C	20.5° C	21.27° C	20.82° C
19	23.28° C	20.72° C	21.01° C	21.13° C
20	23.24° C	21° C	20.74° C	21.51° C
21	23° C	21.03° C	20.63° C	21.68° C
22	22.77° C	21.39° C	20.76° C	21.58° C
23	22.54° C	22.36° C	20.95° C	22.59° C
24	22.57° C	22.3° C	21.04° C	22.83° C
25	22.78° C	22.04° C	21.06° C	23.06° C
26	23.05° C	21.69° C	21.25° C	23.33° C
27	22.89° C	21.39° C	21.66° C	23.33° C
28	22.86° C	21.46° C	21.48° C	22.73° C
29	22.45° C	21.4° C	21.12° C	22.34° C
30	22.27° C	21.3° C	21.11° C	22.51° C
31	22.35° C	21.16° C	21.09° C	22.7° C