Average Water Temperature: Summer - 83f Winter - 78f

Generally, the temperatures are hot during the day. Many of the days are a mixture of sun and clouds, the clouds being a welcome relief from the hot sun. In the evening you may need a light sweater. The chart below shows you the average temperatures for each month. January is the coldest month, and August is the hottest month. There is no real rainy season in the DR, it can rain at any time during the year. Much of the time the rain occurs overnight or as a brief afternoon shower.

The 'hottest' months of the year are from June to October, when temperatures during the day remain constant at around 29°C (84°F). In contrast, it's slightly cooler from December to March, with daily highs rising to around 27°C (80°F). At night temperatures drop by about 5°C, so that you rarely need more than a sheet for covering to sleep comfortably at night.

Variations in temperature are not significant in other parts of the country, other than in mountainous regions where it's generally cooler by 5° to 6°C. On extremely rare occasions temperatures there may even drop below the freezing point at night.

Being in a tropical climate zone means constant humidity. But when you are along the shoreline, the cool soothing breeze blowing in off the sea tends to make it feel less hot and more comfortable.