You're right, though the effect of that only seems to go about 20 miles inland (which is a fair bit of the UK, to be fair). The other downside to being surround

You're right, though the effect of that only seems to go about 20 miles inland (which is a fair bit of the UK, to be fair). The other downside to being surrounded by sea is almost guaranteed high humidity which makes the heat far harder work (a la Florida vs Arizona).