Casterton, Victoria
December 2025 Daily Weather Observations

Most observations from Casterton, pressure taken from Hamilton.

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Mo7.315.310.4  WSW5414:178.490 NNE171007.312.374 SW311008.7
2Tu7.318.71.0  WSW3315:5412.078 NNE131016.816.763 NNW151016.8
3We6.628.20.2  NNE4816:5415.872 N241016.126.833 N241013.8
4Th15.629.60  NNW6912:2522.238 N201009.327.932 N331007.7
5Fr7.324.50  SW3718:0514.183 ESE111010.523.644 WSW151007.0
6Sa8.516.90.4  WSW5216:2112.692 N131005.414.768 NNW281006.4
7Su3.619.21.0  NNW3714:0711.869 WNW91015.517.149 N171013.7
8Mo7.824.30.2  N5016:3014.873 N201011.323.046 N311009.3
9Tu9.621.50  SSW3312:1414.273 SW131017.220.442 SSW111017.6
10We10.0 0.2     11.976 SE91020.519.156 SE91021.3
Statistics for the first 10 days of December 2025
Mean8.422.0      13.874  141013.020.250  211012.2
Lowest3.615.30     8.438 #91005.412.332 SE91006.4
Highest15.629.610.4  NNW69 22.292 N241020.527.974 N331021.3
Total  13.4                 

IDCJDW3012.202512   Prepared at 05:36 UTC on Wednesday 10 December 2025

Source of data

Temperature, humidity, wind and rainfall observations are from Casterton {station 090182}. Evaporation and sunshine observations are from Mount Gambier Aero {station 026021}. Pressure observations are from Hamilton Airport {station 090173}.

Hamilton Airport is several kilometres southeast of Casterton, so the pressures will sometimes be markedly different.

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 Casterton, 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 Casterton, Victoria, look at the tables for Mount Gambier Aero, Hamilton Airport, Casterton Showgrounds or Hamilton Airport.

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.