"alan" wrote in message
...
Has anyone seen a website that will tell me what the weather was like
in the summer of 1217 in the south of england?

Detailed weather records only started in the 17th century. Earlier than
that, we generally only know of events, such as storms, significant enough
to interest the chroniclers of the time. However, if you search for
dendrochronology sites, you may be able to find out whether the year was
notably wet or dry.

Colin Bignell