Mount Gambier, South Australia
December 2025 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Mo8.117.04.4  SSW5711:1411.9768SW241008.314.1648SW311011.5
2Tu7.719.01.4  WSW3915:4014.2753W151017.617.1628W261017.7
3We7.728.60  NNW5414:2416.669 N191015.327.624 NNW331013.1
4Th16.128.00  NNW6309:4424.6334NW281008.623.341 W261009.2
5Fr7.823.50  W3916:3015.0761NE111011.323.4567SW151007.6
6Sa9.318.40.2  W5912:4713.9948N131005.518.0477W391007.2
7Su4.718.61.6  WNW4112:3714.2533WSW171016.117.7465W241014.1
8Mo9.324.40  NW5212:2515.6768NNW171010.822.6445WNW371009.1
9Tu7.820.90  S3713:1616.8583SW151017.719.946 S131018.3
10We8.621.10  SSE4318:0914.2678SSE71023.219.4591SSE261021.8
11Th6.225.90  SSE5013:4015.565 ESE241022.324.543 S241018.3
12Fr7.332.60  NNW3913:4019.956 NNE171012.030.9201NNW151007.9
13Sa13.422.70  SW4414:3816.5758S221009.621.747 SSW191008.0
14Su11.718.00  SW5610:5915.3628WSW331011.016.7448WSW351014.0
15Mo9.520.00  SSW4613:2114.9548SSW261021.017.5452SSW281022.9
16Tu5.025.90  S3313:2215.8621SE151025.125.342 SSE201020.7
17We8.434.30  SW3913:5423.247 N151018.332.817 WSW241015.7
18Th11.638.90  W5415:4727.136 NNW191012.236.710 WNW261009.1
19Fr17.426.90  WSW4803:4420.2717WSW131008.724.0531WSW241007.3
20Sa13.222.10  SSW3709:4616.8608SSE221009.620.843 SSE191007.4
21Su10.916.62.2  SW5915:4112.6908SE171003.413.9918SSW41002.0
22Mo9.120.224.4  W4412:3014.9654WSW171011.518.1526W281011.3
23Tu8.720.21.0  W4316:3913.3768WSW241016.917.8518W301016.4
24We12.918.80.2  SW5013:1815.4618WSW241016.918.2498SW311017.3
25Th8.518.90  SSW4812:4515.9508SSW281022.816.2475SSW301021.7
26Fr9.920.20  SSE4612:1614.2607SSE241024.718.847 SSE301021.8
27Sa6.927.20  ESE3709:0616.0675ESE201020.825.536 ENE131016.8
28Su11.133.00  SSW3913:4221.150 NNE201017.032.421 S221015.7
29Mo13.237.80  W4115:1226.031 NNE221014.837.1121WSW171011.5
30Tu15.219.30  SSE5614:3915.4808SSW301015.816.7628S371015.3
31We11.119.60  S5215:4414.2588SSE281019.518.045 S311017.6
Statistics for December 2025
Mean9.923.8      16.8636 201015.122.2445 251013.8
Lowest4.716.60     11.9311SSE71003.413.9101SSW41002.0
Highest17.438.924.4  NNW63 27.1948WSW331025.137.1918W391022.9
Total  35.4                 

IDCJDW5041.202512   Prepared at 13:02 UTC on Wednesday 7 January 2026

Source of data

Observations were drawn from Mount Gambier Aero {station 026021}.

Some cloud observations are from automated equipment; these are somewhat different to those made by a human observer and may not appear every day.

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 Mount Gambier, South 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 South 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 Mount Gambier, South Australia, look at the tables for Mount Gambier Aero or Mount Gambier Post Office.

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.