Last updated: August 21, 2025
In May, Santo Domingo, Dominican Republic, experiences a warm and humid climate, characterized by a maximum temperature of 33°C (91°F) and an average of 26°C (79°F), ensuring tropical conditions throughout the month. Minimum temperatures can dip to 20°C (68°F), providing brief relief from the daytime heat. However, the month is marked by significant precipitation, totaling 108 mm (4.3 in), spread over 24 days, which contributes to a humidity level of 57%. Travelers should prepare for frequent showers while enjoying the vibrant atmosphere and lush landscapes that spring forth from the rain.
In May, Santo Domingo experiences a delightful warm-up as the temperatures continue to rise, offering a minimum of 20°C (68°F) and a maximum of 33°C (91°F). This month's average temperature settles comfortably at 26°C (79°F), signaling the onset of summer. Compared to the previous months, May showcases a gradual increase, with the minimum temperatures climbing from 19°C (66°F) in April, while maintaining similar highs at 32°C (91°F). The trend of rising heat continues, setting the stage for the hottest months ahead, making May an enticing time for visitors eager to soak up the sun. As the city thrives under these warm conditions, outdoor activities become more appealing, embodying the vibrant spirit of the Dominican Republic.
May marks a significant increase in precipitation in Santo Domingo, where the city experiences 108 mm (4.3 in) of rain over approximately 24 days. This surge not only reflects the transition into the wet season but also highlights a distinct trend as rainfall peaks compared to the preceding months. After a gradual rise from 76 mm (3.0 in) in April, May's rainfall is nearly 43% higher, indicating a shift toward more frequent and intense showers. The increased number of rainy days in May, matched only by the following summer months, sets the stage for the lush greenery that characterizes the region during this vibrant time of year. As the month unfolds, the rhythm of the rain becomes a defining feature of Santo Domingo's May atmosphere, enriching the landscape while echoing the pulse of tropical life.
In May, Santo Domingo enjoys a relatively pleasant humidity level of 57%, a comfortable precursor to the more humid months ahead. As spring transitions into summer, the trend indicates a gradual increase in moisture, with humidity peaking in the late summer months of August and September at 71% and 73%, respectively. Despite May being one of the drier months, it serves as a gentle reminder that the city's warmth is accompanied by increasing humidity, which often becomes a defining characteristic of the tropical climate through the rest of the year. This seasonal ebb and flow highlights the charm of Santo Domingo, as residents and visitors alike prepare for the lush vibrancy that follows the rain-soaked summer.
In May, Santo Domingo experiences a consistently high UV Index of 13, which falls into the extreme exposure category, demanding vigilance from sun seekers. With a burn time as short as 10 minutes, it’s crucial to take sun protection measures seriously during this month. Interestingly, May shares its UV intensity with the preceding months of March and April, as well as the peak summer months of July and August, highlighting a pattern of persistently elevated UV levels throughout the early and middle parts of the year. This trend emphasizes the need for residents and visitors to remain aware of sun exposure year-round to safeguard their skin. For more detailed information, check out the Santo Domingo UV Index.
UV Risk Categories
In May, Santo Domingo basks in 343 hours of sunshine, perfectly mirroring the bright days of March and April. This consistent luminosity marks a peak in the spring season, inviting both locals and tourists to explore the vibrant city. As the summer months approach, June and July promise a similar abundance of sunlight, with a slight uptick, culminating in 347 hours in July. The steady glow of sunshine in these months sets a joyful tone, making May an ideal time to experience the rich culture, beautiful landscapes, and lively atmosphere of the Dominican Republic's capital. Overall, the sunshine trend showcases a delightful blend of warm days that capture the essence of Caribbean warmth.
In Santo Domingo, the likelihood of encountering sunny weather in May stands at a pleasant 55%, making it a relatively bright and enjoyable month compared to the preceding months. While April dips slightly to 49%, May offers an uptick, suggesting a transition towards sunnier days as the region moves deeper into the spring. Interestingly, the chances of sunshine begin to wane significantly in June, dropping to 32%, indicating that if you're seeking a sun-soaked experience, May is an ideal time to visit. Overall, trends show that while winter months start with a moderate chance of sun, late spring brings a refreshing boost in sunny days before the advent of the rainy summer season.
In Santo Domingo, the daylight duration exhibits a clear seasonal pattern throughout the year. From January to February, residents enjoy a consistent 11 hours of daylight, but as spring approaches in March, the days slowly elongate to 12 hours. This trend continues through April and into May, maintaining that pleasant 12-hour mark, perfect for outdoor activities. As summer rolls in during June and July, daylight peaks at 13 hours, offering abundant sunlight for beach outings and festivities. However, as the year winds down, daylight gradually diminishes from August back to 11 hours by November. This rhythmic ebb and flow of daylight not only marks the changing seasons but also reflects the vibrant lifestyle of this lively Caribbean city.
In Santo Domingo, May brings a gentle breeze, with an average wind speed of 2.3 m/s (5 mph), marking a slight dip from the previous month. This pattern of fluctuating wind speeds is characteristic of the Dominican Republic's climate, where spring transitions into summer. Compared to earlier months, such as March, which enjoys a brisk 3.1 m/s (7 mph), and April at 2.5 m/s, the May winds are more subdued. As the summer approaches, wind speeds tend to stabilize around the 2.5 m/s mark through June and July, indicating a mild and pleasant atmosphere for those enjoying the tropical landscape. Overall, May's breezy character perfectly complements the warm, sunlit days of this vibrant Caribbean destination.
Weather in Santo Domingo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Santo Domingo, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present distinct weather patterns, showcasing the transition from the cooler months to the warmer, wetter period. In May, temperatures range from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), offering a warmer average of 26°C (79°F). However, this month also experiences significant precipitation, with 108 mm (4.3 in) falling over 24 days, leading to a more humid environment at 57%. In contrast, January displays milder conditions, with temperatures varying from a minimum of 15°C (60°F) to a maximum of 31°C (88°F), and an average of 24°C (75°F). The month is considerably drier, with just 36 mm (1.4 in) of rain over 11 days, although humidity is slightly higher at 65%. For more details on January’s weather, you can visit Santo Domingo weather in January.
In comparing the weather of May and February, May tends to be warmer, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F) and an average of 26°C (79°F). In contrast, February features slightly cooler temperatures, with a minimum of 18°C (65°F), maximum of 31°C (88°F), and an average of 24°C (76°F). While both months experience precipitation, May sees significantly more rain at 108 mm (4.3 in) over 24 days, compared to February's 49 mm (1.9 in) over 18 days. Additionally, humidity levels are slightly higher in February at 63%, compared to 57% in May. For more detailed information, you can visit Santo Domingo weather in February.
May typically presents warmer temperatures compared to March, with minimums of 20°C (68°F) and an average of 26°C (79°F), while March has lower minimums starting at 16°C (62°F) and an average of 24°C (76°F). Although both months experience a similar maximum temperature, May tends to be wetter, receiving 108 mm (4.3 in) of precipitation over 24 days, in contrast to March's 52 mm (2.1 in) over 16 days. Humidity levels are comparable, with March slightly higher at 59% compared to May's 57%. For more detailed insights, you can check this link: Santo Domingo weather in March.
In comparing the weather between April and May, May tends to be slightly warmer, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), compared to April's range of 19°C (66°F) to 32°C (91°F). Additionally, May sees an increase in precipitation, totaling 108 mm (4.3 in) over 24 days, while April receives 76 mm (3.0 in) over 18 days. Humidity levels remain relatively similar, with April at 58% and May at 57%. For a detailed look at April's weather patterns, please visit Santo Domingo weather in April.
In comparing the weather of May and June, both months exhibit similar temperature ranges, with May having a minimum of 20°C (68°F), an average of 26°C (79°F), and a maximum of 33°C (91°F), while June shows a slightly lower minimum of 19°C (67°F) but maintains the same maximum at 33°C (92°F). June's average temperature is slightly warmer at 27°C (80°F). Precipitation levels are also notable; May sees more rain with 108 mm (4.3 in) across 24 days, compared to June's 87 mm (3.4 in) over the same number of days, indicating a drier climate as summer approaches. Both months share the same humidity levels at 57%, contributing to the overall warm and humid conditions characteristic of this time of year. For more detailed insights, you can check Santo Domingo weather in June.
When comparing the weather in May and July, both months exhibit warm temperatures, but July tends to be slightly warmer overall. In May, the minimum temperature averages around 20°C (68°F), with a peak reaching up to 33°C (91°F), while July features a minimum of 22°C (71°F) and a maximum of 34°C (93°F). Precipitation levels are relatively similar, with May recording 108 mm (4.3 in) over 24 days and July slightly lower at 107 mm (4.2 in) across the same number of days. Additionally, humidity increases in July to 63%, compared to May's 57%. For more detailed information, you can visit Santo Domingo weather in July.
In comparing the weather between May and August, we can see some notable differences. May features a minimum temperature of 20°C (68°F) and an average of 26°C (79°F), while August offers slightly warmer conditions with a minimum of 22°C (72°F) and an average of 27°C (81°F). August also tends to be a bit more humid at 71% compared to May's 57%. Precipitation is higher in August, with 150 mm (5.9 in) falling over 24 days, which is an increase from May's 108 mm (4.3 in) over the same number of days. For more detailed information, you can check Santo Domingo weather in August.
In comparing the weather of May and September, both months show relatively warm temperatures, although September tends to be slightly warmer overall. May has a minimum temperature of 20°C (68°F) and an average of 26°C (79°F), peaking at 33°C (91°F). In contrast, September's minimum is a bit higher at 22°C (72°F), with an average of 27°C (81°F) and a maximum of 35°C (95°F). Rainfall is quite consistent between the two months, with May experiencing 108 mm (4.3 in) over 24 days, while September sees only slightly less precipitation at 107 mm (4.2 in) over 21 days. Humidity levels are also higher in September, reaching 73% compared to May's 57%. For more detailed information, check out Santo Domingo weather in September.
May and October in Santo Domingo display a strikingly similar average temperature, both hovering around 26°C (79°F). However, May tends to have slightly lower minimum temperatures at 20°C (68°F), compared to October's 21°C (70°F). Precipitation levels are a bit higher in October, with 123 mm (4.9 in) over 23 days, contrasted with May's 108 mm (4.3 in) spread across 24 days. Additionally, humidity is notably higher in October at 72%, compared to May's 57%, contributing to a more humid feel during the later month. For more detailed insights, visit Santo Domingo weather in October.
In comparing the weather of May and November, both months boast warm temperatures, with minimums hovering around 20°C (68°F) and maximums reaching up to 33°C (91°F in May and 92°F in November). May tends to be slightly warmer on average at 26°C (79°F) compared to November's 25°C (78°F). However, November experiences a higher humidity level at 72% versus May's 57%, making the air feel a bit more oppressive. Precipitation levels are comparable, with May receiving 108 mm (4.3 in) over 24 days and November experiencing 113 mm (4.4 in) across just 15 days. For a closer look at November's climate, check out Santo Domingo weather in November.
In comparing the weather of May and December, May boasts warmer temperatures, with average highs reaching up to 33°C (91°F) and a minimum of 20°C (68°F), while December's maximum temperature is slightly lower at 32°C (90°F) with a minimum of 18°C (65°F). May also experiences more rainfall, totaling 108 mm (4.3 in) across 24 days, compared to December’s 45 mm (1.8 in) over 15 days. Additionally, May's humidity levels are recorded at 57%, while December is slightly more humid at 69%. For more specific information on the climate during this month, you can check Santo Domingo weather in December.
As May unfolds in Santo Domingo, the weather transitions into a warm embrace characterized by average temperatures that hover around a comfortable 26°C (79°F). Unlike the drier months, May experiences increased humidity, contributing to a fresh, tropical atmosphere. While the city enjoys peaks of 33°C (91°F), it also sees more frequent rain showers, with precipitation spreading across about 24 days this month. This unique blend of warmth and wetness differentiates May from other months, making it a vibrant, albeit slightly soggy time to explore the capital. For more detailed insights into weather trends, you can visit Santo Domingo Climate.