Winters in the Dominican Republic are relatively dry, and the air temperature varies only slightly throughout the year. Usually, the temperature of the air is in the mid-twenties, and the water is about the same temperature. Despite the dry weather, there are not many cloudless days. As a result, the coldest months for the ocean are February and March.
December
The weather in December is cold in The Dominican Republic, but it’s still pleasant, with an average low of 72°F (22°C) and a high of 81°F (27°C) during the day. Water temperatures are typically in the mid to upper-70°F range, but early morning trade winds can make the water feel chilly. The wind chill factor can make water temperatures uncomfortable for most of the day. In addition, December marks the beginning of the dry season, with an average rainfall of about three inches per month.
January
While January is considered the coldest month in the Dominican Republic, temperatures are usually still pleasant. On average, temperatures are around 83 degrees Fahrenheit. The Dominican Republic has a tropical climate, with warm, sunny days and cool nights. The Dominican Republic also has a beautiful blue sky almost the entire year. Rainfall is common in the Dominican Republic, with the heaviest amounts occurring in the summer. However, the Dominican Republic can also experience frequent downpours throughout the month of December. While these rains can be unpleasant, they are seldom prolonged, and tend to occur only if a storm system is approaching.
February
When traveling to the Dominican Republic, February is an excellent time to visit. The temperatures are comfortable, the breeze is mild, and the chances of rain are minimal. The average sea temperature in February is about 80 degrees Fahrenheit, making it a perfect time for swimming. However, there are some things to be aware of before planning your Dominican Republic vacation during this month.
March
The minimum temperature in March is only a little lower than the previous month, at 72degC. However, the weather is still warm compared to the average for this time of year. The average high in March is 84degF (29degC) and the low in March is 69degF (21degC). The humidity level in March is high, making the weather in March quite uncomfortable.
April
The average temperature in April in the Dominican Republic is around 30°C, and rainfall is around 40mm. However, these two variables may not be comparable across the whole country. In fact, the rainy months and the number of sunny days vary widely, so the temperature you’ll experience is not necessarily indicative of the rainy season. Nevertheless, if you’re planning a vacation to the Dominican Republic during the month of April, you may want to check out some local weather forecasts.
May
If you’re planning a vacation to The Dominican Republic in May, the weather will be quite mild compared to the rest of the year. Maximum daytime temperatures will average 29degC in Cabo Engano, while minimum nighttime temperatures will hover around 21 degrees. During the rainy season, there will be some short, heavy rains, but overall the weather is pleasant.
June
The Dominican Republic is an island in the northern Caribbean. It has a tropical climate, with high mountains in the north and east. Rainfall is more common in the north and east than in the rest of the country. The wet season occurs from November to January along the north coast, and the dry season occurs from May to November throughout the rest of the island. Although June can be cold, it is still pleasant with sunny days and little rain.
August
The Dominican Republic has a fairly warm climate throughout the year, but you can still find some cold weather in the Dominican Republic. The hottest months are June, July, and August, with average maximum temperatures around 91degF / 33degC. The coldest months are January, February, and December. July’s average maximum temperature is 86degF / 30degC, which is slightly cooler than August’s.
September
September is one of the hottest months in the Dominican Republic, with an average temperature of 87 degrees Fahrenheit (31 degrees Celsius). The humidity can make the heat very uncomfortable, especially at night. This is one of the reasons why many tourists choose to stay in air-conditioned hotels. September has an average of 19 rainy days, with the average amount of precipitation being 3.1 inches (78 millimeters).
October
The Dominican Republic has a tropical climate, with high temperates all year long. In October, you can expect temperatures of 31 degrees Fahrenheit during the day and 23 degrees Fahrenheit at night. The average humidity is around 91.5%, and the daytime high is typically 88 degrees Fahrenheit. While October can be cool, there are still many sunny days, and rainfall is only a few inches per day. October temperatures are generally pleasant, with highs of 87 degrees Fahrenheit and lows of 72 degrees Fahrenheit (23 degC). In Punta Cana, however, there are some days that can be cooler, with temperatures as low as 23 degrees Celsius.