Here are the cities that have good weather in a specific month:
January
February
March
April
May
June
July
August
September
October
November
December
Cities with great weather in May
Tenerife Island in January Good
Tenerife Island in February Good
Zakinthos Island in March Good
Zakinthos Island in April Good
Tenerife Island in August Great
Zakinthos Island in August Great
Zakinthos Island in September Great
Tenerife Island in September Good
Tenerife Island in October Good
Zakinthos Island in October Good