Climate Insights for Santo Domingo

The climate in Santo Domingo is warm and mild. The average annual temperature is 19°C and approximately 312mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Santo Domingo sits near the equator, so seasonal temperature differences are minimal throughout the year.

Santo Domingo has relatively stable temperatures year-round, staying within a 5°C range. June is the warmest month, though highs remain moderate at 22°C with a mean of 22°C. October is the coolest month, with minimum temperatures around 17°C and an average of 19°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Santo Domingo is a quite dry location, receiving approximately 312mm of precipitation annually, which averages out to around 26mm per month. The wettest month is March, averaging 33mm of rainfall. April and May also tend to see above-average precipitation. The driest month is January, with just 3mm. That's 30mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Santo Domingo is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 9km/h in winter, 10km/h in spring, 6km/h in summer, 9km/h in autumn.

It is currently summer in Santo Domingo, which began on June 21, 2026. Santo Domingo sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in June at around 22°C, while the coldest stretch bottoms out in October near 17°C. Autumn is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Santo Domingo is during January, February, March, April, May, June, July, August, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 26mm per month. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Santo Domingo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.