Annual Weather Averages in Sitka Airport
Sitka Airport is 93 miles from Pearl Island, so the actual climate in Pearl Island can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Pearl Island
High Temp: 62 °F
Low Temp: 32 °F
Mean Temp: 46 °F
Precipitation: 7.01"
Humidity: 80%
Dew Point: 40 °F
Wind: 12 mph
Pressure: 29.98 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Pearl Island
High Temp: 41 °F
Low Temp: 33 °F
Mean Temp: 37 °F
Precipitation: 8.25"
Humidity: 80%
Dew Point: 32 °F
Wind: 14 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Pearl Island
High Temp: 41 °F
Low Temp: 32 °F
Mean Temp: 37 °F
Precipitation: 6.03"
Humidity: 78%
Dew Point: 30 °F
Wind: 12 mph
Pressure: 30.00 "Hg
Visibility: 9 mi
March Climate & Weather Averages in Pearl Island
High Temp: 43 °F
Low Temp: 33 °F
Mean Temp: 38 °F
Precipitation: 5.81"
Humidity: 75%
Dew Point: 30 °F
Wind: 13 mph
Pressure: 29.98 "Hg
Visibility: 9 mi
April Climate & Weather Averages in Pearl Island
High Temp: 48 °F
Low Temp: 37 °F
Mean Temp: 43 °F
Precipitation: 4.40"
Humidity: 76%
Dew Point: 35 °F
Wind: 11 mph
Pressure: 29.94 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Pearl Island
High Temp: 53 °F
Low Temp: 43 °F
Mean Temp: 48 °F
Precipitation: 3.84"
Humidity: 79%
Dew Point: 41 °F
Wind: 10 mph
Pressure: 30.01 "Hg
Visibility: 10 mi
June Climate & Weather Averages in Pearl Island
High Temp: 58 °F
Low Temp: 49 °F
Mean Temp: 53 °F
Precipitation: 3.06"
Humidity: 82%
Dew Point: 47 °F
Wind: 9 mph
Pressure: 29.99 "Hg
Visibility: 10 mi
July Climate & Weather Averages in Pearl Island
High Temp: 61 °F
Low Temp: 53 °F
Mean Temp: 57 °F
Precipitation: 4.52"
Humidity: 85%
Dew Point: 52 °F
Wind: 9 mph
Pressure: 30.05 "Hg
Visibility: 10 mi
August Climate & Weather Averages in Pearl Island
High Temp: 62 °F
Low Temp: 53 °F
Mean Temp: 57 °F
Precipitation: 7.19"
Humidity: 85%
Dew Point: 53 °F
Wind: 9 mph
Pressure: 29.99 "Hg
Visibility: 9 mi
September Climate & Weather Averages in Pearl Island
High Temp: 58 °F
Low Temp: 49 °F
Mean Temp: 53 °F
Precipitation: 11.30"
Humidity: 84%
Dew Point: 48 °F
Wind: 10 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Pearl Island
High Temp: 51 °F
Low Temp: 42 °F
Mean Temp: 47 °F
Precipitation: 11.81"
Humidity: 81%
Dew Point: 41 °F
Wind: 13 mph
Pressure: 29.94 "Hg
Visibility: 9 mi
November Climate & Weather Averages in Pearl Island
High Temp: 45 °F
Low Temp: 36 °F
Mean Temp: 40 °F
Precipitation: 9.71"
Humidity: 79%
Dew Point: 34 °F
Wind: 14 mph
Pressure: 29.93 "Hg
Visibility: 9 mi
December Climate & Weather Averages in Pearl Island
High Temp: 42 °F
Low Temp: 33 °F
Mean Temp: 37 °F
Precipitation: 8.25"
Humidity: 80%
Dew Point: 32 °F
Wind: 15 mph
Pressure: 30.01 "Hg
Visibility: 9 mi