The Dominican Republic The Dominican Republic is located on the island of Hispanola located in the Caribbean Sea. It takes up about 2/3 of the island which it shares with Haiti. Dominican Republic's total area is 48,734 square kilometers. The Dominican Republic Jas a tropical maritime climate. The temperatures are moderated though by the ocean currents and year-round trade winds. The average temperature is around 720F and 800F, it hardly ever drops below 600F and it also hardly ever riser above 900F. It isn't uncommon though to get frost in the higher elevations. Dominican Republic's rainy season is between May and Novemb