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URBNSURF Water Temperature Through the Year

By Darian Macharowski. Updated 22 September 2026.

I wanted to know how warm the water at URBNSURF gets through the year, so I started logging it. Every day a small script reads the water temperature URBNSURF shows on its homepage for Melbourne and Sydney and writes both numbers down. Older readings come from archived snapshots of that homepage, going back to 2021 for Melbourne. Sydney's record starts in December 2024, so it is still filling in.

Each point on a line is the typical temperature for that week of the year: a plain average of every reading from that week and the two weeks either side, across all the years in the log. Where a line breaks, there aren't enough readings yet. The shaded bands show the wetsuit thickness for each temperature, from the same Rip Curl table I use in the wetsuit thickness guide, which also covers booties, gloves and hoods.

URBNSURF water temperature through the year, Melbourne and Sydney (°C) Line chart of typical weekly water temperature in degrees Celsius at URBNSURF Melbourne and URBNSURF Sydney, January to December, with each logged reading as a faint dot and wetsuit thickness bands behind the lines. Melbourne runs from about 10°C in July to about 22°C in January. Sydney runs from about 12°C in August to about 27°C in December. Sydney has a gap from about 1 October to 9 December where there are too few readings yet. The month table below gives the same figures. 24° Boardshorts or rashguard 18° 2mm spring suit 16° 3/2 full suit 13° 4/3 full suit 9° 4/3 or 5/4 full suit Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sydney: logging now Water temperature (°C) Melbourne Sydney
Typical water temperature by week in °C. Faint dots are individual readings. Wetsuit bands from Rip Curl's wetsuit thickness guide.

Month by month

The same readings by calendar month, with the suit that matches each typical temperature. "Logging now" means that month has fewer than three readings so far.

MonthMelbourneSydney
January22.2°C2mm spring suit24.8°CBoardshorts or rashguard
February20.9°C2mm spring suit25.9°CBoardshorts or rashguard
March19.8°C2mm spring suit24.2°CBoardshorts or rashguard
April17.1°C3/2 full suit19.9°C2mm spring suit
May14.8°C4/3 full suit18.0°C2mm spring suit
June12.3°C4/3 or 5/4 full suit14.7°C4/3 full suit
July10.5°C4/3 or 5/4 full suit12.9°C4/3 or 5/4 full suit
August10.7°C4/3 or 5/4 full suit12.5°C4/3 or 5/4 full suit
September13.0°C4/3 full suit16.2°C3/2 full suit
October16.6°C3/2 full suitLogging now
November17.5°C3/2 full suitLogging now
December20.1°C2mm spring suit26.9°CBoardshorts or rashguard

Data through 22 September 2026.

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