Weekly Climate Summary for 09 August 2025 through 15 August 2025 UTC South Pole Station, Antarctica Temperature: Average temp... -57.3°C / -71.1°F Maximum temp... -50.3°C / -58.5°F on day 10 Minimum temp... -67.1°C / -88.8°F on day 9 Wind: Average wind speed.......... 12.8 mph or 11.2 knots Prevailing wind direction... Grid Northeast Maximum wind speed.......... 30 mph or 26 knots on day 14 Maximum wind direction...... Grid North Average vectored wind....... 041 degrees at 10.5 knots Station Pressure: Average pressure... 678.3 mb Highest pressure... 681.7 mb on day 14 Lowest pressure.... 675.5 mb on day 12 Physio-altitude: Average physio-alt = 10692 ft/ 3259 m Highest physio-alt = 10798 ft/ 3291 m on day 12 Lowest physio-alt = 10564 ft/ 3220 m on day 14 Sky Cover: Average cloud cover (8ths)... 2 Days clear................... 6 Days partly cloudy........... 1 Days cloudy.................. 0 Sunshine: Sunrise on 20 September 2025 Average hours per day... 0.0 Percent of possible..... 0 Visibility: 0 days with visibility of 1/4 mile or less. Balloon flight data: Number of soundings for the week..... 6 Average height of soundings.......... 159.8 mb, or 11919 meters Highest sounding..................... 118.1 mb, or 13537 meters on day 12/00Z flight 1 sounding was missed. **RECORDS** No records were tied or broken this week.