What is the primary difference between a scientific theory and a scientific law? A scientific law is an assumed truth which forms the basis of your theory. Scientific laws are universal and describe observed events.
Average temperature in St Lucia in March: 22 to 28Â°C, 72 to 84Â°F. Sea temperature in St Lucia in March: 26Â°C, 79Â°F. Average rainfall in March: 97mm, 3.8in. Events: St Luciaâs annual festival of comedy kicks off in March with events and shows throughout the month.
Whatâs the weather like in St Lucia in July? St Lucia is close to the equator in the Caribbean Sea, and has a tropical climate which brings consistently hot weather all year round. The island has both a rainy and a dry season, with July falling in the middle of the wettest part of the year, so be prepared for wet weather.