If the weather is nippy, it is rather cold. It could get suddenly nippy in the evenings. = chilly
A secondary coffee taste characterized by a predominantly sweet, nipping sensation at the tip of the tongue Caused by a higher-than-normal percentage of acids being sour
If you describe something or someone as nippy, you mean that they can move very quickly over short distances. This nippy new car has fold down rear seats
pleasantly cold and invigorating; "crisp clear nights and frosty mornings"; "a nipping wind"; "a nippy fall day"; "snappy weather"; (`parky' is a British term)