……. Rainfall is expected to be near normal to above normal this season……
Based on a number of global models, historical data and subjective input, the following forecast has been made for the island of St. Maarten for the next three (3) months — namely July to September 2017.
Based on the Precipitation Outlook for the Caribbean for the months of  July to September, rainfall for the Northeastern Caribbean including St. Maarten is predicted as follows:
40% Chance of being Above Normal (more than  348.5 mm/13 in)
35% Chance of being Near Normal 264.2 mm – 348.5  mm/10 in- 13 in)
25% Chance of being Below Normal (less than  264.2 mm/10 in)
This means, that rainfall for this season is most likely to be above normal. During July and August, there is usually a mid-summer dry spell while in September there is more frequent heavy showers.  
caricofjas2017_precip

For more information:Caribbean Drought Bulletin; Latest Caribbean Outlook NewsletterLatest Coral Reef Watch Disclaimer:

This information is provided by the Meteorological Department of St. Maarten in collaboration with CARICOF. There are no guarantees concerning the accuracy, totality, reliability, or suitability of this outlook. The information may be used freely by the public with appropriate acknowledgement of its source, but shall not be modified in content and then presented as an original material.