Well the summer forecast from Daveyland:-
Basic stats wrt CET:-
JUNE - Temp +1C above CET / Sun 140% / Rain 60%
JULY - Temp +1C / Sun 110% / Rain 110%
AUGUST - Temp +0.5C / Sun 90% / Rain 200%
JUNE will be dominated by High Pressure with a particularly warm latter half. Not entirely settled though with the usual chance of heavy & thundery rain leading to a varied pattern of rainfall but quite dry overall
JULY was the most awkward month to call but I expect that it will start warm before cooling under Atlantic influnces by mid-month. This is expected to stall late on to give some very warm conditions in the last week. As usual, rain could be heavy and localised but this will be a rather more unsettled month, hence the higher rainfall average
AUGUST is best forgotten if you want fine weather. The early heat will be blasted away by the Atlantic for much of the rest of the month with the threat of copious rainfall. I think that CET stats will remain on the warmer side simply because of the frequent invasion of TM airmasses and subsequent warm nights. Just the hint that things will calm down late on with some cool air from the north and coldish nights
Overall then, not a bad summer but it will deteriorate