For 13th July 2016. Looks more like October than July, says reader.
Ground Frost and Air frost risk at altitude to tender plants and crops may be at risk.
Thanks to J.H. Walker for this link
“This plot looks like a normal Autumnal forecast for the last two week of October, and not the first two weeks of July,” says J.H.
“We have probably had the UK summer at the end of May for three days, Autumn may have started early this year, together with the November rains during the rest of July and August.”