Weekly Climate Summary for 25 October 2025 through 31 October 2025 UTC
South Pole Station, Antarctica

Temperature:
Average temp... -43.7°C / -46.7°F
Maximum temp... -38.9°C / -38.0°F on day 31
Minimum temp... -49.8°C / -57.6°F on day 28

Wind:
Average wind speed.......... 17.1 mph or 14.8 knots
Prevailing wind direction... Grid North
Maximum wind speed.......... 38 mph or 33 knots on day 31
Maximum wind direction...... Grid North
Average vectored wind....... 026 degrees at 13.7 knots

Station Pressure:
Average pressure... 679.5 mb
Highest pressure... 684.6 mb on day 31
Lowest pressure.... 672.4 mb on day 28

Physio-altitude:
Average physio-alt = 10647 ft/ 3245 m
Highest physio-alt = 10916 ft/ 3327 m on day 28
Lowest physio-alt  = 10455 ft/ 3187 m on day 31

Sky Cover:
Average cloud cover (8ths)... 4
Days clear................... 2
Days partly cloudy........... 5
Days cloudy.................. 0

Sunshine:
Sunset on 22 March 2026
Average hours per day... 21.0
Percent of possible..... 88

Visibility:
2 days with visibility of 1/4 mile or less.

Balloon flight data:
Number of soundings for the week..... 14
Average height of soundings.......... 17.6 mb, or 27406 meters
Highest sounding..................... 3.5 mb, or 36888 meters on day 29/00Z flight

0 soundings were missed.

**RECORDS**
No records were tied or broken this week.