Casey, Antarctica
July 2025 Daily Weather Observations

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Tu-29.5-25.70.2 0.0S8915:55-28.373 S43975.9-31.171 S69973.5
2We-31.7-24.72.8 0.0S4101:02-28.262 SSE15967.1-26.074 SSE15967.1
3Th-30.9-25.71.6 0.0SE2800:49-29.658 ESE6976.5-26.264 ESE9978.1
4Fr-30.8-26.10 0.0SE2601:07-29.072 SE15983.1-29.061 SE17982.9
5Sa-32.4-23.70 0.0SE1922:14-28.866 SE6983.7-25.9648Calm984.2
6Su-26.8-22.30 0.0ESE2409:17-24.6687ESE15982.9-25.972 ESE13979.0
7Mo-26.1-20.00 0.0NE4416:16-23.581 E9963.9-22.1731NE35963.3
8Tu-23.6-20.30 0.0SE3320:32-21.581 NNE13968.2-20.881 N20972.4
9We-25.2-5.10 0.0S4121:55-23.478 SSE19984.3-23.669 S20983.0
10Th-24.9-6.00 0.0ENE10009:43-8.7647Calm974.5-7.775 E78971.3
11Fr-12.0-7.90.4 0.0NE2000:55-10.965 W7974.0-13.959 Calm972.6
12Sa-16.5-9.70 0.0NNE2823:36-10.164 NE11974.3-14.376 NNE15974.7
13Su-18.3-9.50 0.0NNE2801:02-13.983 Calm988.8-11.584 ESE9989.6
14Mo-17.3-14.70 0.0S2804:14-16.483 Calm982.7-17.4796NNE15978.6
15Tu-20.3-9.50.1 0.0E5019:08-16.979 S17976.8-14.174 E9977.7
16We-16.5-4.00.2 0.0E4314:11-15.167 S15974.3-6.563 SE20971.5
17Th-15.4-0.80 0.0E15012:02-7.179 ESE9975.2-3.680 ENE80975.4
18Fr-7.4-1.20 0.0E10204:15-5.466 S33999.4-6.740 E61991.2
19Sa-15.7-5.60 0.2NE3301:27-14.957 SSE9979.2-7.163 E20977.7
20Su-15.0-5.60 0.0SE2401:47-7.071 SE17978.5-8.080 NE13978.7
21Mo-10.0-6.61.2 0.1ENE6117:32-8.563 E20987.1-11.164 SE4989.5
22Tu-13.3-5.30.4 0.0E8516:57-9.179 ENE9997.6-10.676 E59998.0
23We-13.1-6.10.8 0.0SSE4103:23-7.382 S17999.1-8.581 SSE111000.0
24Th-19.0-12.61.2 1.3NNE2208:43-13.9681NE9990.3-14.850 ENE7988.1
25Fr-19.9-15.10 0.0SSE2615:37-17.9611SSE11984.1-15.868 S15985.3
26Sa-21.0-14.70 0.0SSE2405:21-20.774 SSE19987.3-15.888 ESE7989.1
27Su-24.9-17.50.4 0.0SSE2413:08-23.4787S11990.5-22.477 SSE17991.7
28Mo-23.2-6.10.6 0.0E15400:39-20.269 NE30988.1-17.8788S20982.0
29Tu-21.2-12.50 0.0E15901:56-9.050 E46967.2-15.7757S22972.3
30We-16.2-12.10.9 0.0E4315:21-14.983 S15978.5-15.164 E28982.7
31Th-20.7-15.90 0.0SSW2423:30-17.563 NE11988.3-17.676 NE9987.5
Statistics for July 2025
Mean-20.6-12.7  0.1   -17.0704 14981.3-16.3706 23980.9
Lowest-32.4-26.10 0.0   -29.6501Calm963.9-31.1401Calm963.3
Highest-7.4-0.82.8 1.3E159 -5.4837E46999.4-3.6888ENE801000.0
Total  10.8 1.6               

IDCJDW9203.202507   Prepared at 16:04 UTC on Tuesday 16 September 2025

Source of data

Observations were drawn from Casey {station 300017}.

"9 am" observations are those made at 0300 UTC. This is equivalent to 10 am Local Standard Time, but 11am according to the time used by most people at the station. "3 pm" observations are similarly those made at 0900 UTC (4 pm LST, 5 pm station time).The maximum wind gust is in the 24 hours to 1 am 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 Casey, Antarctica are also here on this web site:

Sep 25   Aug 25   Jul 25   Jun 25   May 25   Apr 25   Mar 25   Feb 25   
Jan 25   Dec 24   Nov 24   Oct 24   Sep 24   Aug 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 Casey, Antarctica, look at the tables for Casey or Casey (The Tunnel).

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.