Dew Point Temperature This topic contains 1 reply, has 2 voices, and was last updated by Surjeet Sankararaj 5 years, 7 months ago. Author Posts June 10, 2013 at 10:22 pm #2481 KingParticipant Points: 96 Can anyone please explain what is dew point temperature. June 11, 2013 at 10:40 am #2487 Surjeet SankararajKeymaster Points: 631 Dew point is the temperature below which water vapour present in the air begins to condense into water at the same rate at which it evaporates. Above the Dew Point Temperature (DPT), moisture will stay in the air. Author Posts Tagged: temperature You must be logged in to reply to this topic.