Ronaldsway Met Office says July was a record-breaking month.
An official heatwave was recorded between July 10 and 12, which was the Island's warmest weekend since records began.
Meanwhile, the mean temperature throughout the month was 17.4 Celsius, more than two degrees over the long-term July average - making it the warmest July on record.
And only two millimetres of rain fell over the month, making it the Island's driest recorded July.
Two ferry crossings under threat on Wednesday
Complaints over Ben-My-Chree's refurb works
Census officers to visit homes of people who haven't submitted
Seagull terror forces cafe to remove outdoor seating
Not practical to give details on police call-outs, says minister
Steam Packet asks travellers to be patient
Plans for new veterinary practice submitted
We'll go to police if vandals return, says nursery