August 1978 August 1978 was a cool month with a CET of 15.0, the coolest August since 1966. Low pressure dominated the first 18 days of the month with rain and showers. High pressure tried to take control during the latter half of the month with some sun and the warmest weather for the month but fronts were never too far way and the high soon became filled with cloud and it felt cool as a northerly developed. It was overall, a fairly uneventful month. Kew Mean Max: 20.0 (-0.5) Sunshine: 179hrs (98%) Rainfall: 34mm (69%) Birmingham Mean Max: 18.1 (-1.4) Sunshine: 124hrs (81%) Rainfall: 77mm (99%) Glasgow Mean Max: 17.5 (-1.0) Sunshine: 87hrs (61%) Rainfall: 102mm (115%) Aberdeen Mean Max: 16.6 (-0.5) Sunshine: 117hrs (85%) Rainfall: 84mm (100%) Belfast Mean Max: 17.1 (-0.9) Sunshine: 85hrs (62%) Rainfall: 89mm (99%)