Weather for May was split down the middle, according to the Met Office's latest report.
There was a cool dry start which gave way to warmer weather later in the month.
Daytime temperatures struggled to reach 15 degrees Celsius for much of May, with several cold nights and three ground frosts recorded.
Temperatures peaked at 23.1 degrees on Tuesday, May 26, bringing ideal conditions for the start of TT.
Mountain Road closed for TT sign removal
Decision on Summerland campaigners' appeal this week
More works on Old Castletown Road this week
Airport says flights may be affected by morning's fog
Could the Grandstand be getting a new entrance plaza?
Caine to defend seat in general election
June sitting of Tynwald to take place today
Deacon calls for pause on assisted dying law