Our temperatures in the UK are heavily influenced by the seas around us.
These only heat up (and cool down) slowly (due to the high specific heat
capacity of water), hence the warming of these waters continues long after
June 21st/22nd, and they may not reach their warmest until late July or even
well into August. The reverse is true in the winter time. The seas continue
cooling and in some years do not reach their coldest until mid-February.

Areas away from seas and oceans have a more 'continental' type climate where
it is the land that has a large influence on temperature. The land warms up
much more quickly (and cools) than the oceans, but still slowly enough to
make July the hottest month, and January the coldest.

Generally in the UK, August is warmer than June and not much cooler than
July. February is roughly the same as January (with December being warmer
than January).
______________________
Nick G

"John Smith" wrote in message
...
... the month with the longest day (i.e. June) correspond with the
warmest month of the year?


John