As for an exact temperature for lukewarm, there's no set standard. Some believe it to be between 98° F and 105° F. Others say lukewarm it's in the range of 80° F to 90° F. You can also find recipes that will tell you to mix one part room-temperature water with two parts boiling water to make lukewarm water.

Which is hotter warm or lukewarm?

As adjectives the difference between lukewarm and warm

is that lukewarm is of a temperature between warm and cool while warm is having a temperature slightly higher than usual, but still pleasant; a mild temperature.

Does lukewarm mean room temperature?

Some folks say lukewarm is body temperature or approximately 98.6°F. ... Room temperature, of course, varies, but most agree it is from 72°F to 74°F (sometimes up to 78°F). Still others say lukewarm is room temperature plus about 15 degrees. Lukewarm and tepid are generally considered to be synonyms.