Mortlake, Victoria
December 2025 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Mo6.615.55.6  WSW5411:4810.694 W221005.713.677 SSW281007.8
2Tu6.518.24.2  W2813:1312.297 W71016.516.462 W91016.7
3We3.829.10.2     16.074 NNW151015.927.429 NW351013.2
4Th14.033.70  NW8011:3024.031 N281008.431.618 NW431006.4
5Fr5.626.10  SW3116:5412.5100 S61010.724.348 SW91006.8
6Sa7.516.60.2  SW6116:5513.4100 WNW71004.312.6100 W151005.6
7Su5.019.27.6  WNW3913:2811.680 WNW151015.018.950 WNW171013.4
8Mo7.924.70.2  NW4812:2615.664 WNW241010.822.446 WNW331008.7
9Tu9.319.60  SW3301:0014.275 SW131017.018.953 SSW171018.2
10We5.720.40  SSE3016:3612.0100 S71022.118.756 S111021.9
11Th1.924.00  ESE3313:0513.976 E201022.823.137 SE191019.8
12Fr4.732.20  N3908:2818.866 NNE151012.930.819 WNW191009.2
13Sa13.622.90     16.193 SSW151009.020.961 SSW91006.7
14Su 17.90  SW6112:2315.671 W311007.615.353 SW351011.5
15Mo7.416.90  SSW4411:0113.551 SW241019.214.753 SSW281022.1
16Tu7.424.40  S3117:3912.673 SSE111025.021.649 SSE151021.7
17We7.832.90  S3315:1616.377 NNE71019.332.021 SW111016.2
18Th10.335.80  WNW4109:4427.935 N151011.734.713 SSW221010.5
19Fr18.630.70  SW3517:0520.666 NNE91007.426.152 WNW21006.5
20Sa13.421.50.2  SSW3014:0614.970 SW131009.420.448 SW111008.0
21Su8.516.11.6  SW4418:3114.198 E151000.913.2100 SW131000.0
22Mo9.320.011.0  W3013:3012.180 W151010.617.855 W191010.4
23Tu8.719.30.2  SW4310:4813.975 WSW191015.018.648 WSW241014.8
24We11.0 0  SW5214:1113.973 WSW171014.916.163 SW351015.6
25Th 17.30  SSW4415:1613.360 SW201020.615.947 SSW281020.2
26Fr6.617.80  S4309:4813.956 SSE241023.016.848 S241021.5
27Sa5.526.40  S3312:4414.765 ESE131021.424.438 ESE151017.5
28Su9.232.80  SSW3715:4017.167 NE131018.231.817 SE71016.1
29Mo12.937.20  S3317:0623.448 ENE61016.736.112 W71012.5
30Tu12.3 0     17.5100 SW191012.315.978 SSW201015.2
Statistics for the first 30 days of December 2025
Mean8.623.9      15.573  151014.121.748  191013.2
Lowest1.915.50     10.631 #61000.912.612 WNW21000.0
Highest18.637.211.0  NW80 27.9100 W311025.036.1100 NW431022.1
Total  31.0                 

IDCJDW3053.202512   Prepared at 05:37 UTC on Tuesday 30 December 2025

Source of data

Observations were drawn from Mortlake Racecourse {station 090176}.

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 Mortlake, Victoria 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 Victoria 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 Mortlake, Victoria, look at the tables for Mortlake Racecourse.

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.

If you have any questions about this product, or you want any other weather or climate information, please contact us.