Fonds-Saint-DenisFonds-Saint-Denis is a village and commune in the French overseas department and region, and island, of Martinique. It is the smallest commune of the island.GeographyClimateFonds-Saint-Denis has a tropical rainforest climate. The average annual temperature in Fonds-Saint-Denis is. The average annual rainfall is with July as the wettest month. The temperatures are highest on average in September, at around, and lowest in February, at around. The highest temperature ever recorded in Fonds-Saint-Denis was on 9 March 2010; the coldest temperature ever recorded was on 12 February 1966.