The wettest August was in 2004 when 161.6mm of rain fell, followed by 1982 (136mm) and 1969 (101mm). August's average rainfall is 57.6mm.

The driest August was in 1995 when only 5.7mm of rain fell, followed by 1976 (7mm) and 2003 (7mm).

1995 had the highest average temperature for August (25.3°C), followed by 1975 (24.6°C) and 1997 (24.5°C).

The coldest August was in 1986, with an average maximum temperature of 17.5°C, followed by 1963 (17.7°C) and 1962 (18.3°C).

The overall average maximum temperature for August is 21.0°C.

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