<page_title> São Luís, Maranhão </page_title> <section_title> Climate </section_title> <table> <cell> 475.9 (18.74) <col_header> Climate data for São Luís (1961–1990) </col_header> <col_header> Apr </col_header> <row_header> Average rainfall mm (inches) </row_header> </cell> </table>
The wettest month is April with an average monthly total of (18.74 in) of precipitation.