Rottnest Island, Western Australia
December 2025 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Mo19.536.20  ENE3506:1129.128 NNE241016.430.930 S201012.7
2Tu19.424.50  S5722:5622.077 S351011.622.770 SSW371011.2
3We18.124.40  S5700:2320.769 S261014.321.666 S331014.1
4Th16.722.30  SSW5415:2419.364 S301014.920.761 SSW431012.6
5Fr16.722.30  SSW5718:2419.655 SSE281016.220.460 SSW351015.2
6Sa17.023.40  S5900:2019.555 SSE201019.121.757 SSW371016.5
7Su17.923.80  S4802:5720.665 SSE221015.522.163 SSW331014.2
8Mo18.123.60  SSW6119:5020.970 S301013.822.172 SSW441011.2
9Tu17.923.70  S5721:1520.363 SSE201013.422.365 SSW431011.6
10We17.626.10  SSW4613:1623.054 ESE171014.923.070 SSW351011.8
11Th20.324.60  S6521:1024.269 S261012.223.474 SSW431009.3
12Fr19.425.20  SSW6517:1321.866 SSE411012.224.663 SSW461010.0
13Sa18.527.60  ESE4823:5122.257 SE241013.725.463 S351009.5
14Su22.237.10  ENE5919:5227.440 E281009.527.956 S311004.8
15Mo22.030.00.4  NE4301:0226.860 N191009.228.554 SW171007.8
16Tu19.926.00  SW4118:1222.879 NNW131008.224.072 SSW261007.5
17We19.323.90  S7822:1021.457 SSW301014.922.458 SSW371015.5
18Th16.524.70  SSE6500:0519.658 SE241018.723.158 SSW411014.1
19Fr17.625.90  S7423:2522.654 ESE241013.322.565 SSW431010.9
20Sa17.122.30  S7400:5319.065 SSE441015.821.256 SSW521013.9
21Su14.622.00  S6921:5919.143 E131019.220.556 SSW431016.0
22Mo17.423.60  S6100:0520.359 SE261017.922.564 SSW371015.0
23Tu17.627.80  ESE4800:5622.551 ESE221016.124.467 S311013.2
24We19.536.40  E5002:4724.946 ENE241013.332.033 SSE191009.7
25Th23.940.90  ENE4606:1229.932 NE311007.238.816 S131002.7
26Fr20.224.60  SW6912:5120.875 WSW391008.221.158 SSW461010.3
27Sa16.322.50  S7022:1418.853 SSE301017.820.951 SSW391016.1
28Su16.823.40  S8021:3519.948 SE241017.922.258 SSW461015.6
29Mo17.525.10  S6900:3320.953 SE281019.722.957 S481016.7
30Tu16.6 0     22.044 E351019.8      
Statistics for the first 30 days of December 2025
Mean18.426.3      22.156  261014.524.058  361012.1
Lowest14.622.00     18.828 #131007.220.416 S131002.7
Highest23.940.90.4  S80 29.979 SSE441019.838.874 SSW521016.7
Total  0.4                 

IDCJDW6118.202512   Prepared at 03:20 UTC on Tuesday 30 December 2025

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:

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   Nov 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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