Mawson, Antarctica
December 2025 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Mo-2.93.5  15.0ESE7000:590.450 ESE44998.42.850 ENE19997.4
2Tu-3.62.8  10.7ESE5903:06-1.153 E24995.51.353 NNE11995.2
3We-2.51.9  4.6ESE5604:05-0.949 ESE41996.31.144 N9997.5
4Th-3.91.9  0.9ESE5402:23-1.459 ESE31998.30.759 E24998.0
5Fr-2.63.5  8.5ESE7021:480.049 ESE35993.62.551 ENE26992.7
6Sa-1.24.2  9.8ESE7223:270.445 ESE46991.72.654 N9993.2
7Su-2.43.3  0.9ESE6105:230.537 ESE50997.42.953 ENE20997.8
8Mo-3.73.1  17.0ESE6907:24-0.145 ESE56994.31.646 NNE13994.7
9Tu-4.62.0  17.2ESE5006:15-0.837 ESE39991.10.844 N7991.9
10We-6.31.1  15.2ESE6304:29-2.255 E28998.1-0.661 NNE19999.9
11Th-4.61.4  17.6ESE4606:18-0.745 ESE241000.30.649 W11999.3
12Fr-5.50.0  13.5WSW1503:16-2.659 NNW7996.5-1.464 WSW7996.4
13Sa-5.20.7  15.0SE3007:29-1.548 ENE7997.0-0.250 NNE6997.4
14Su-6.6-0.1  0.1ESE9322:41-2.161 ESE57996.2-0.865 E74994.7
15Mo-3.3-1.8  0.0ESE11703:26-2.883 ESE81996.3-2.181 ESE59997.4
16Tu-4.0-0.3  0.0ESE12412:11-1.874 ESE65982.7-2.779 ESE83980.8
17We-3.12.6  8.0ESE8123:400.143 SE52979.42.144 ESE24977.7
18Th-5.71.6  15.2SSE6305:22-1.845 ESE46979.50.552 NE9982.1
19Fr-3.91.1  0.1ESE5223:06-1.956 E24984.50.148   984.9
20Sa-2.11.1  0.8SE4306:32-0.557 E20986.3-0.661 ENE9985.7
21Su-2.32.1  3.0SE3522:55-0.571 WSW7982.71.464 NNW7982.8
22Mo-3.62.6  8.7SE4406:05-0.354 SE22988.81.2563ENE9990.4
23Tu-3.23.0  17.9SE5003:530.346 SSE37991.72.049 W15991.3
24We-3.32.5  17.4SE6908:27-1.251 SE52991.21.262 NE17991.4
25Th-2.7       -0.8501SE43987.4      
Statistics for the first 25 days of December 2025
Mean-3.71.8  9.0   -0.9521 37991.80.7553 21992.1
Lowest-6.6-1.8  0.0   -2.8371#7979.4-2.7443NNE6977.7
Highest-1.24.2  17.9ESE124 0.5831ESE811000.32.9813ESE83999.9
Total    217.1               

IDCJDW9202.202512   Prepared at 04:00 UTC on Thursday 25 December 2025

Source of data

Observations were drawn from Mawson {station 300001}.

"9 am" observations are those made at 0300 UTC. This is equivalent to 7 am Local Standard Time, but 9 am according to the time used by most people at the station. "3 pm" observations are similarly those made at 0900 UTC (1 pm LST, 3 pm station time). The maximum wind gust is in the 24 hours to 10 pm local standard time.

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 Mawson, Antarctica 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 Antarctica 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 Mawson, Antarctica, look at the tables for Mawson.

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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