YSK: Dew Point is a much better measurement for how humid it "feels" outside than relative humidity. Dew Point < 55 pleasant, 55 -60 is noticeable. 65+ is unpleasant.
from /r/YouShouldKnow
YSK：露点是一个更好的测量方法，它比相对湿度更能反映出外面的潮湿 "感觉"。露点<55令人愉快，55-60是明显的。65以上是令人不快的。