Ombrophobia is the fear of rain and it can cause severe anxiety in some individuals. However, there are various synonyms for this unusual phobia. Pluviophobia is a common phrase used by doctors and psychologists to describe fear of rain. Hyetophobia is another term which is used to describe fear of precipitation, whether it be rain, sleet, or snow. Some other possible synonyms include chionophobia, ceraunophobia, and astraphobia, which all describe fear of various types of weather events. No matter what term you use to describe this intriguing phobia, it is important to remember that it is a serious condition that requires proper, medical attention.