Water temperature in Onetangi in January

Is it warm enough to swim in Onetangi in January? Average water temperature in Onetangi in January is 20.9°C and therefore suitable for comfortable swimming. The warmest sea in Onetangi in January is 23.9°C, and the coldest is 17.9°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Onetangi

Changes water temperature in Onetangi in January 2025, 2024

To get an accurate forecast for the water temperature in Onetangi for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Onetangi, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of January.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 January	20°C	21.1°C	18.2°C	21.8°C
2 January	19.6°C	21.3°C	18.1°C	21.7°C
3 January	19.3°C	21.6°C	18.1°C	21.6°C
4 January	19.5°C	21.6°C	17.9°C	21.8°C
5 January	19.2°C	21.8°C	18.8°C	22.1°C
6 January	19°C	21.6°C	18.7°C	22.4°C
7 January	19.1°C	21.6°C	18.8°C	22.3°C
8 January	19.4°C	21.7°C	18.6°C	21.9°C
9 January	19.8°C	22°C	18°C	22°C
10 January	20.1°C	22.1°C	18.3°C	22.1°C
11 January	20.3°C	22.2°C	18.8°C	22.3°C
12 January	20.3°C	22.6°C	19°C	22.6°C
13 January	20°C	22.9°C	19.2°C	22.9°C
14 January	20.1°C	23°C	19.4°C	23°C
15 January	20.2°C	22.8°C	19.4°C	22.8°C

Day	2025	2024	Min	Max
16 January	20.3°C	22.8°C	19.7°C	22.8°C
17 January	20.8°C	23.4°C	19.7°C	23.4°C
18 January	20.8°C	23.2°C	19.7°C	23.2°C
19 January	20.6°C	23.2°C	19.7°C	23.2°C
20 January	20.7°C	23.6°C	19.3°C	23.6°C
21 January	20.5°C	23.9°C	19.5°C	23.9°C
22 January	21°C	23.9°C	19.5°C	23.9°C
23 January	20.7°C	23.3°C	19.5°C	23.3°C
24 January	20.9°C	22.9°C	19.7°C	23.2°C
25 January	21°C	23.1°C	19.5°C	23.4°C
26 January	21.1°C	22.9°C	19.4°C	23.5°C
27 January	20.7°C	22.7°C	19.4°C	23.7°C
28 January	20.9°C	22.8°C	19.5°C	23.7°C
29 January	21°C	22.6°C	19.8°C	23.6°C
30 January	21°C	22.2°C	19.9°C	23.5°C
31 January	21°C	22.2°C	19.9°C	23.3°C

Average water temperature in Onetangi in January over a decade

2016	2017	2018	2019	2020
21°C	19.5°C	22.1°C	21.3°C	20°C

2021	2022	2023	2024	2025
21°C	22.1°C	21.5°C	22.5°C	20.3°C

Onetangi sea state in January

Chart comparing the height of waves in Onetangi in January over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Onetangi water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in January. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Maraetai	21.1°C	18.1°C	24.3°C
Pakuranga	21°C	18°C	24.3°C
Tamaki	21°C	18°C	24.3°C
Mission Bay	21°C	18°C	24.3°C
Murrays Bay	21°C	17.9°C	24.2°C
Takapuna	21°C	17.9°C	24.2°C
North Shore	21°C	17.9°C	24.3°C
Browns Bay	20.9°C	17.9°C	23.8°C
Manukau City	21°C	18°C	23.7°C
Takanini	21°C	18°C	23.7°C

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Our report for Onetangi is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature