Annual Weather Averages in Entrance Island
Entrance Island is 42 miles from Sydney Island, so the actual climate in Sydney Island can vary a bit.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Sydney Island
High Temp: 70 °F
Low Temp: 39 °F
Mean Temp: 52 °F
Precipitation: 1.57"
Humidity: 77%
Dew Point: 45 °F
Wind: 19 mph
Pressure: 30.01 "Hg
Visibility: 21 mi
January Climate & Weather Averages in Sydney Island
High Temp: 45 °F
Low Temp: 40 °F
Mean Temp: 42 °F
Precipitation: 2.91"
Humidity: 88%
Dew Point: 37 °F
Wind: 20 mph
Pressure: 30.01 "Hg
Visibility: 14 mi
February Climate & Weather Averages in Sydney Island
High Temp: 46 °F
Low Temp: 40 °F
Mean Temp: 43 °F
Precipitation: 1.70"
Humidity: 82%
Dew Point: 36 °F
Wind: 19 mph
Pressure: 30.02 "Hg
Visibility: 18 mi
March Climate & Weather Averages in Sydney Island
High Temp: 49 °F
Low Temp: 42 °F
Mean Temp: 45 °F
Precipitation: 1.33"
Humidity: 78%
Dew Point: 38 °F
Wind: 20 mph
Pressure: 30.00 "Hg
Visibility: 20 mi
April Climate & Weather Averages in Sydney Island
High Temp: 54 °F
Low Temp: 45 °F
Mean Temp: 49 °F
Precipitation: 1.41"
Humidity: 73%
Dew Point: 41 °F
Wind: 18 mph
Pressure: 30.02 "Hg
Visibility: 23 mi
May Climate & Weather Averages in Sydney Island
High Temp: 60 °F
Low Temp: 51 °F
Mean Temp: 56 °F
Precipitation: 0.66"
Humidity: 71%
Dew Point: 47 °F
Wind: 18 mph
Pressure: 30.01 "Hg
Visibility: 24 mi
June Climate & Weather Averages in Sydney Island
High Temp: 65 °F
Low Temp: 56 °F
Mean Temp: 61 °F
Precipitation: 0.73"
Humidity: 70%
Dew Point: 51 °F
Wind: 18 mph
Pressure: 30.01 "Hg
Visibility: 25 mi
July Climate & Weather Averages in Sydney Island
High Temp: 70 °F
Low Temp: 60 °F
Mean Temp: 65 °F
Precipitation: 0.55"
Humidity: 69%
Dew Point: 55 °F
Wind: 19 mph
Pressure: 30.02 "Hg
Visibility: 26 mi
August Climate & Weather Averages in Sydney Island
High Temp: 70 °F
Low Temp: 61 °F
Mean Temp: 65 °F
Precipitation: 0.62"
Humidity: 69%
Dew Point: 55 °F
Wind: 18 mph
Pressure: 30.00 "Hg
Visibility: 25 mi
September Climate & Weather Averages in Sydney Island
High Temp: 64 °F
Low Temp: 56 °F
Mean Temp: 60 °F
Precipitation: 0.98"
Humidity: 74%
Dew Point: 52 °F
Wind: 18 mph
Pressure: 30.01 "Hg
Visibility: 24 mi
October Climate & Weather Averages in Sydney Island
High Temp: 55 °F
Low Temp: 49 °F
Mean Temp: 52 °F
Precipitation: 1.96"
Humidity: 81%
Dew Point: 46 °F
Wind: 20 mph
Pressure: 30.03 "Hg
Visibility: 19 mi
November Climate & Weather Averages in Sydney Island
High Temp: 49 °F
Low Temp: 43 °F
Mean Temp: 46 °F
Precipitation: 3.08"
Humidity: 85%
Dew Point: 40 °F
Wind: 22 mph
Pressure: 29.99 "Hg
Visibility: 16 mi
December Climate & Weather Averages in Sydney Island
High Temp: 45 °F
Low Temp: 39 °F
Mean Temp: 42 °F
Precipitation: 2.88"
Humidity: 87%
Dew Point: 36 °F
Wind: 23 mph
Pressure: 30.01 "Hg
Visibility: 14 mi