Dominican Republic weather
Our guide to the weather in the Dominican Republic during January
The Dominican Republic is a year-round holiday destination. December to April is considered high season and will be consistently warm and sunny. We've looked at the most up-to-date weather data for the Dominican Republic, covering the last 12 years up to 2026, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about the Dominican Republic weather in January.
How warm is it in the Dominican Republic during January?
January is typically the coolest month in the Dominican Republic, although we use the term cool in a relative sense! Expect heat, with the temperature hitting about 29℃ during the day, falling away to a balmy 21℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in the Dominican Republic during January?
January is typically the driest month in the Dominican Republic. On average, in January you'll see rain on just one day in the month. In other words, you shouldn't see any of the wet stuff. You're not likely to see a thunderstorm during your trip.
Is it windy in the Dominican Republic during January?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in January. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.
How warm is the sea in the Dominican Republic during January?
The water around the Dominican Republic reaches a very pleasant 27℃ during January. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.
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Weather in the Dominican Republic
Our month-by-month guide to the weather and climate in the Dominican Republic
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