Rottnest Island, Western Australia
May 2026 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Fr12.516.42.6  SSE6905:3613.574 SSE461022.415.157 S431022.1
2Sa12.416.90  SSE5212:4414.364 SE261026.516.762 S301023.9
3Su13.718.60  SE4120:4615.274 SE201026.817.563 ESE131024.7
4Mo14.119.40  SSE4619:3315.574 NE221027.918.863 S191025.3
5Tu13.819.50  SSE3921:1416.068 NE191026.919.364 S201024.9
6We13.921.70  ESE3901:2916.269 ENE261029.321.250 ESE171027.4
7Th14.021.30  E4323:2115.564 E221031.420.450 SSE191027.3
8Fr15.522.20  NE4810:3417.056 NE281029.721.846 E191025.3
9Sa15.022.40  NNE5203:1616.753 NNE391027.322.336 E131024.1
10Su15.623.30  NNE4807:2117.258 NNE351025.922.736 N131022.8
11Mo17.125.30  NNE5705:5519.452 NNE411022.724.144 N221020.5
12Tu17.125.40  NNE3507:0819.953 NNE241022.124.738 NW111019.5
13We17.323.40  N3009:3820.568 N201018.222.470 WNW191016.8
14Th16.620.22.0  WSW4415:5016.794 SSE171017.119.061 WSW261015.0
15Fr14.1 2.2     17.764 SSW281016.417.167 S201015.8
16Sa        15.673 SE91019.414.187 SSW71018.2
17Su        17.376 N151021.219.266 NNW151019.9
18Mo              19.171 SE151023.0
Statistics for the first 18 days of May 2026
Mean14.821.1      16.766  251024.219.857  181022.0
Lowest12.416.40     13.552 SE91016.414.136 SSW71015.0
Highest17.325.42.6  SSE69 20.594 SSE461031.424.787 S431027.4
Total  6.8                 

IDCJDW6118.202605   Prepared at 08:20 UTC on Monday 18 May 2026

Source of data

Observations were drawn from Rottnest Island {station 009193}.

You should read the important information in these notes.

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Other times and other places

The last 14 months of Daily Weather Observations for Rottnest Island, Western Australia are also here on this web site:

May 26   Apr 26   Mar 26   Feb 26   Jan 26   Dec 25   Nov 25   Oct 25   
Sep 25   Aug 25   Jul 25   Jun 25   May 25   Apr 25   

Daily Weather Observations are also routinely prepared for hundreds of other locations in Western Australia and across Australia. To get other months or places not on this web site, contact us.

Climate statistics

If you are after long-term averages relevant to Rottnest Island, Western Australia, look at the tables for Rottnest Island or Rottnest Island Lighthouse.

Maps and tables of average conditions for locations across Australia are also available.

More information

If you are using these pages, you are deemed to have understood the important information in these notes. They cover how the data are obtained, how they are processed, and what each column means.

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