Water temperature in Gwynneville (NSW) in January

Home > Australia > New South Wales > Gwynneville

Is it warm enough to swim in Gwynneville in January? Average water temperature in Gwynneville in January is 22.4°C and therefore suitable for comfortable swimming. The warmest sea in Gwynneville in January is 24.5°C, and the coldest is 20°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Gwynneville

Changes water temperature in Gwynneville in January 2025, 2024

To get an accurate forecast for the water temperature in Gwynneville for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Gwynneville, 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	23°C	22.3°C	20.2°C	23.3°C
2 January	23.3°C	22.5°C	20.5°C	23.4°C
3 January	22.8°C	22.5°C	20.7°C	23.5°C
4 January	22.9°C	22°C	20.6°C	23.6°C
5 January	23.3°C	22.5°C	20.6°C	23.3°C
6 January	23.2°C	22.3°C	20.8°C	23.2°C
7 January	23.2°C	22.2°C	20°C	23.2°C
8 January	23°C	22.9°C	20.8°C	23°C
9 January	22.9°C	22.5°C	21°C	23.1°C
10 January	22.9°C	21.9°C	21°C	23.1°C
11 January	23.2°C	23°C	21.1°C	23.2°C
12 January	23.8°C	23°C	21.3°C	23.8°C
13 January	23.7°C	23.3°C	21°C	24.1°C
14 January	23.3°C	23.3°C	20.8°C	23.8°C
15 January	23.4°C	23.3°C	20.9°C	23.8°C

Day	2025	2024	Min	Max
16 January	23.4°C	23.4°C	21°C	23.5°C
17 January	23.4°C	23.1°C	21.5°C	23.5°C
18 January	23.4°C	22.8°C	21.2°C	23.4°C
19 January	23.5°C	23°C	21.1°C	23.5°C
20 January	23°C	22.8°C	21.2°C	23.6°C
21 January	22.8°C	22.6°C	21.4°C	23.5°C
22 January	22.4°C	22.6°C	21.4°C	23.5°C
23 January	22.6°C	22.9°C	21.4°C	23.5°C
24 January	22.5°C	22.9°C	21.7°C	23.5°C
25 January	22.3°C	23.5°C	21.4°C	23.6°C
26 January	23.3°C	23.5°C	21.5°C	23.9°C
27 January	23.3°C	22.6°C	21.3°C	24.1°C
28 January	24°C	22.9°C	21.4°C	24.3°C
29 January	23.1°C	23.3°C	21.1°C	24.3°C
30 January	23.1°C	23.2°C	21.4°C	24.5°C
31 January	23.3°C	23.7°C	21.6°C	24.5°C

Average water temperature in Gwynneville in January over a decade

2016	2017	2018	2019	2020
22.5°C	22.4°C	22.5°C	22.1°C	22.4°C

2021	2022	2023	2024	2025
21.9°C	23.2°C	22.9°C	22.8°C	23.1°C

Gwynneville sea state in January

Chart comparing the height of waves in Gwynneville 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.

Gwynneville 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
Port Kembla	22.4°C	20.5°C	24.7°C
Bellambi	22.3°C	19.4°C	24.3°C
Thirroul	22.3°C	19.3°C	24.3°C
Bulli Beach	22.3°C	19.3°C	24.3°C
Woonona	22.3°C	19.3°C	24.3°C
Lake Heights	22.4°C	20.4°C	24.7°C
Warilla	22.4°C	20.5°C	25.1°C
Lake Illawarra	22.4°C	20.4°C	24.7°C
Austinmer	22.3°C	20.5°C	24.1°C
Coledale	22.3°C	20.5°C	24.1°C

New South Wales photo gallery

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Vote for New South Wales best beach

Get widget or API for your website

Our report for Gwynneville 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.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature