Currently: 44 °F. Quite cool. (Weather station: Mount Gambier Aerodrome, Australia). See more current weatherAnnual Weather Averages in Mount Gambier Aerodrome
Mount Gambier Aerodrome is 51 miles from Coleraine, so the actual climate in Coleraine can vary a bit.
Based on weather reports collected during 2012–2021.
All Year Climate & Weather Averages in Coleraine
High Temp: 81 °F
Low Temp: 42 °F
Mean Temp: 58 °F
Precipitation: 2.37"
Humidity: 74%
Dew Point: 47 °F
Wind: 19 mph
Pressure: 30.04 "Hg
Visibility: 10 mi
January Climate & Weather Averages in Coleraine
High Temp: 81 °F
Low Temp: 54 °F
Mean Temp: 67 °F
Precipitation: 0.97"
Humidity: 62%
Dew Point: 51 °F
Wind: 21 mph
Pressure: 29.93 "Hg
Visibility: 12 mi
February Climate & Weather Averages in Coleraine
High Temp: 79 °F
Low Temp: 55 °F
Mean Temp: 67 °F
Precipitation: 1.13"
Humidity: 65%
Dew Point: 52 °F
Wind: 20 mph
Pressure: 29.97 "Hg
Visibility: 11 mi
March Climate & Weather Averages in Coleraine
High Temp: 76 °F
Low Temp: 53 °F
Mean Temp: 64 °F
Precipitation: 1.39"
Humidity: 68%
Dew Point: 51 °F
Wind: 19 mph
Pressure: 30.04 "Hg
Visibility: 11 mi
April Climate & Weather Averages in Coleraine
High Temp: 69 °F
Low Temp: 49 °F
Mean Temp: 59 °F
Precipitation: 1.83"
Humidity: 74%
Dew Point: 48 °F
Wind: 17 mph
Pressure: 30.11 "Hg
Visibility: 10 mi
May Climate & Weather Averages in Coleraine
High Temp: 62 °F
Low Temp: 47 °F
Mean Temp: 54 °F
Precipitation: 3.56"
Humidity: 81%
Dew Point: 47 °F
Wind: 18 mph
Pressure: 30.13 "Hg
Visibility: 8 mi
June Climate & Weather Averages in Coleraine
High Temp: 58 °F
Low Temp: 43 °F
Mean Temp: 50 °F
Precipitation: 3.69"
Humidity: 85%
Dew Point: 45 °F
Wind: 17 mph
Pressure: 30.16 "Hg
Visibility: 7 mi
July Climate & Weather Averages in Coleraine
High Temp: 57 °F
Low Temp: 42 °F
Mean Temp: 49 °F
Precipitation: 4.39"
Humidity: 85%
Dew Point: 44 °F
Wind: 19 mph
Pressure: 30.06 "Hg
Visibility: 8 mi
August Climate & Weather Averages in Coleraine
High Temp: 58 °F
Low Temp: 42 °F
Mean Temp: 50 °F
Precipitation: 3.87"
Humidity: 81%
Dew Point: 44 °F
Wind: 20 mph
Pressure: 30.06 "Hg
Visibility: 8 mi
September Climate & Weather Averages in Coleraine
High Temp: 62 °F
Low Temp: 44 °F
Mean Temp: 53 °F
Precipitation: 2.73"
Humidity: 77%
Dew Point: 45 °F
Wind: 20 mph
Pressure: 30.04 "Hg
Visibility: 9 mi
October Climate & Weather Averages in Coleraine
High Temp: 67 °F
Low Temp: 45 °F
Mean Temp: 56 °F
Precipitation: 2.04"
Humidity: 72%
Dew Point: 46 °F
Wind: 20 mph
Pressure: 30.03 "Hg
Visibility: 10 mi
November Climate & Weather Averages in Coleraine
High Temp: 71 °F
Low Temp: 48 °F
Mean Temp: 60 °F
Precipitation: 1.52"
Humidity: 69%
Dew Point: 48 °F
Wind: 20 mph
Pressure: 29.97 "Hg
Visibility: 11 mi
December Climate & Weather Averages in Coleraine
High Temp: 76 °F
Low Temp: 51 °F
Mean Temp: 63 °F
Precipitation: 1.32"
Humidity: 65%
Dew Point: 49 °F
Wind: 20 mph
Pressure: 29.94 "Hg
Visibility: 12 mi