Currently: 18 °F. Light snow. Overcast. (Weather station: Base San Martin, Antarctica). See more current weatherAnnual Weather Averages in Base San Martin
Base San Martin is 785 miles from Thurston Island, so the actual climate in Thurston Island can vary a bit.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Thurston Island
High Temp: 40 °F
Low Temp: 3 °F
Mean Temp: 24 °F
Precipitation: 1.70"
Humidity: 78%
Dew Point: 18 °F
Wind: 20 mph
Pressure: 29.12 "Hg
Visibility: 7 mi
January Climate & Weather Averages in Thurston Island
High Temp: 40 °F
Low Temp: 30 °F
Mean Temp: 35 °F
Precipitation: 1.35"
Humidity: 74%
Dew Point: 27 °F
Wind: 16 mph
Pressure: 29.14 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Thurston Island
High Temp: 39 °F
Low Temp: 29 °F
Mean Temp: 34 °F
Precipitation: 1.74"
Humidity: 76%
Dew Point: 27 °F
Wind: 18 mph
Pressure: 29.12 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Thurston Island
High Temp: 37 °F
Low Temp: 26 °F
Mean Temp: 31 °F
Precipitation: 2.35"
Humidity: 78%
Dew Point: 25 °F
Wind: 19 mph
Pressure: 29.10 "Hg
Visibility: 8 mi
April Climate & Weather Averages in Thurston Island
High Temp: 33 °F
Low Temp: 21 °F
Mean Temp: 27 °F
Precipitation: 2.22"
Humidity: 79%
Dew Point: 21 °F
Wind: 23 mph
Pressure: 29.12 "Hg
Visibility: 7 mi
May Climate & Weather Averages in Thurston Island
High Temp: 30 °F
Low Temp: 18 °F
Mean Temp: 24 °F
Precipitation: 2.23"
Humidity: 81%
Dew Point: 19 °F
Wind: 20 mph
Pressure: 29.25 "Hg
Visibility: 7 mi
June Climate & Weather Averages in Thurston Island
High Temp: 25 °F
Low Temp: 11 °F
Mean Temp: 18 °F
Precipitation: 1.37"
Humidity: 82%
Dew Point: 13 °F
Wind: 23 mph
Pressure: 29.14 "Hg
Visibility: 7 mi
July Climate & Weather Averages in Thurston Island
High Temp: 22 °F
Low Temp: 4 °F
Mean Temp: 13 °F
Precipitation: 1.66"
Humidity: 80%
Dew Point: 8 °F
Wind: 18 mph
Pressure: 29.24 "Hg
Visibility: 7 mi
August Climate & Weather Averages in Thurston Island
High Temp: 21 °F
Low Temp: 3 °F
Mean Temp: 12 °F
Precipitation: 1.61"
Humidity: 78%
Dew Point: 7 °F
Wind: 22 mph
Pressure: 29.17 "Hg
Visibility: 7 mi
September Climate & Weather Averages in Thurston Island
High Temp: 25 °F
Low Temp: 5 °F
Mean Temp: 15 °F
Precipitation: 1.74"
Humidity: 81%
Dew Point: 10 °F
Wind: 20 mph
Pressure: 29.08 "Hg
Visibility: 6 mi
October Climate & Weather Averages in Thurston Island
High Temp: 31 °F
Low Temp: 15 °F
Mean Temp: 23 °F
Precipitation: 2.22"
Humidity: 81%
Dew Point: 18 °F
Wind: 21 mph
Pressure: 29.03 "Hg
Visibility: 7 mi
November Climate & Weather Averages in Thurston Island
High Temp: 35 °F
Low Temp: 21 °F
Mean Temp: 28 °F
Precipitation: 1.02"
Humidity: 78%
Dew Point: 22 °F
Wind: 21 mph
Pressure: 28.96 "Hg
Visibility: 8 mi
December Climate & Weather Averages in Thurston Island
High Temp: 38 °F
Low Temp: 27 °F
Mean Temp: 33 °F
Precipitation: 0.94"
Humidity: 74%
Dew Point: 25 °F
Wind: 17 mph
Pressure: 29.08 "Hg
Visibility: 9 mi