Rottnest Island, Western Australia
January 2026 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Th21.131.20  SSW5013:0427.632 NE171010.324.963 S281008.5
2Fr21.529.80  SSW5615:2123.662 S261009.524.466 SSW431007.4
3Sa21.626.70  SW4815:3023.555 S301010.225.061 SW371009.4
4Su21.628.00  S5619:4324.255 SSE151012.024.759 S261011.8
5Mo20.725.20  SSW6118:2022.371 S241012.724.069 SSW391011.3
6Tu20.824.30  S7422:5522.366 SSE301012.322.964 SSW461011.0
7We18.724.20  S7200:0620.757 SSE311015.822.162 SSW481013.3
8Th19.424.30  S7223:4020.658 SSE221013.921.263 SSW481012.9
9Fr16.523.70  S7000:0217.754 SE311017.722.153 SSW431015.4
10Sa16.529.10  ESE5600:1519.947 ESE311019.127.636 SE221015.6
11Su16.727.20  ESE5201:2622.044 E281015.525.159 SSW281010.7
12Mo21.625.00  SSW7617:4823.166 S351007.422.774 SSW521008.0
13Tu18.825.10  S6118:4221.164 SSE301013.923.471 SW431012.4
14We18.227.10  SSW4817:4921.355 ESE281016.325.753 SSW281012.9
15Th18.228.40  ESE4601:1024.248 E221012.225.861 SSW301008.4
16Fr21.329.00  SW4415:5026.756 SSE111004.024.767 SW301004.9
17Sa19.424.80  S5419:0921.164 SW311009.023.161 SW281009.5
18Su15.923.10  S5723:4219.355 SE201012.921.855 SSW391010.7
19Mo18.526.30  S5600:0322.239 SE191013.024.859 S311011.1
20Tu20.132.30  E5009:4725.741 E281014.128.053 S241011.6
21We21.736.20  E5406:4326.247 ENE351011.631.441 S201007.4
22Th23.725.40  SW6517:4624.176 SSW411004.523.469 SSW371004.2
23Fr19.623.70  S5723:5821.761 S331007.622.552 SSW331007.5
24Sa18.323.90  S5400:0320.455 SE191009.922.353 SW331006.8
25Su18.625.70  NW5014:0722.163 NW261004.622.265 W281004.5
26Mo16.323.80  SW6112:5821.350 WSW301010.019.062 SW331010.3
27Tu16.322.61.0  S7421:4818.462 SE261016.721.348 SSW461013.7
28We16.724.90  SSE6100:0721.248 ESE191016.622.764 S431013.5
29Th19.628.00  S4619:2924.349 ENE241013.925.265 SSW281011.9
30Fr21.1 0     24.476 S241013.724.171 S391012.5
Statistics for the first 30 days of January 2026
Mean19.326.5      22.455  261012.023.959  351010.3
Lowest15.922.60     17.732 SSE111004.019.036 S201004.2
Highest23.736.21.0  SSW76 27.676 SSW411019.131.474 SSW521015.6
Total  1.0                 

IDCJDW6118.202601   Prepared at 08:20 UTC on Friday 30 January 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:

Jan 26   Dec 25   Nov 25   Oct 25   Sep 25   Aug 25   Jul 25   Jun 25   
May 25   Apr 25   Mar 25   Feb 25   Jan 25   Dec 24   

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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