We naturally think of evaporation as liquid water drying up; the water evaporates. In fact, water will form water vapour at all temperatures above absolute zero, though the colder you get, the slower this happens. read more
However, there are some circumstances that typically require water to be certain temperatures. For example, water freezes at 32 F or zero C. The boiling point of water is 212 F or 100 C. Though the Fahrenheit scale was popular through the mid-1970s in the English-speaking world, most countries have since begun using the Celsius scale. read more