Last updated: August 21, 2025
In August, Rio San Juan, Dominican Republic, experiences a tropical climate characterized by warm temperatures and a high level of humidity. With maximum temperatures reaching around 31°C (88°F) and averaging 27°C (82°F), the warmth is coupled with minimum temperatures settling at a comfortable 24°C (76°F). However, this month also brings frequent rainfall, accumulating to 99 mm (3.9 in) across approximately 22 days. The persistent humidity, averaging 71%, adds to the lush, vibrant atmosphere of this coastal paradise, making it a unique experience for visitors and residents alike.
In August, Rio San Juan, Dominican Republic, embraces the warmth of summer with minimum temperatures averaging 24°C (76°F) and maximums reaching a balmy 31°C (88°F). With an average temperature of 27°C (82°F), the heat is consistent with the trends observed since early summer, indicating a gradual rise from the cooler months. This month marks the peak of the season, where the coastal breezes provide a refreshing break from the sun's intensity, making it an ideal escape for beach lovers and sun-seekers alike. As the weather remains inviting and warm, the vibrant local culture thrives, offering plenty of opportunities for exploration and relaxation under the tropical sky.
In August, Rio San Juan experiences a notable precipitation pattern, with 99 mm (3.9 in) of rain, slightly less than the previous month. The rainy season reaches a peak, as evidenced by the 22 days of rainfall, indicating that summer storms are prevalent. This trend of increased rainfall continues from July, which recorded 103 mm, establishing a wetter period during mid to late summer. In comparison, September follows with an even higher precipitation level of 145 mm (5.7 in), suggesting that the transition towards autumn brings with it heavier rains. Overall, the month of August serves as a bridge between the intense summer showers and the approaching autumn deluge, inviting lush landscapes and vibrant ecosystems throughout the region.
In Rio San Juan, Dominican Republic, the humidity levels experience a notable shift throughout the year, culminating in August, when the humidity peaks at a substantial 71%. This increase signals the transition from the relatively drier months of late spring and early summer, where humidity hovers around 57%, to the more humid late summer and early fall. Following August, September sees an even higher humidity level at 73%, indicating a trend of steadily rising moisture leading into the high season of rainfall. This pattern showcases the tropical climate's influence, revealing how the air becomes more saturated and humid as the year progresses, particularly in the summer months, creating a lush and vibrant environment characteristic of this beautiful region.
In August, the UV Index in Rio San Juan, Dominican Republic, peaks at an extreme level of 13, aligning with the trend seen throughout the summer months from May to July. This consistent high level of UV radiation signifies that residents and visitors alike should take extra precautions, as the recommended burn time is a mere 10 minutes for unprotected skin. The month's UV index reflects a broader pattern observed in summer, where the sun's intensity is at its greatest, making protective measures essential. As the year progresses towards autumn, the UV Index begins to decrease, but for now, it's vital to stay vigilant against sun exposure. For more detailed insights, check the Rio San Juan UV Index.
UV Risk Categories
August in Rio San Juan, Dominican Republic, continues the trend of abundant sunshine that characterizes the summer months. With 350 hours of sunshine, August remains a strong contender, just a notch below the peak of July's 361 hours. This stellar weather pattern underscores a gradual increase in daylight hours from January's 251 hours up to a summer pinnacle around mid-year. As the year progresses, one sees a mild decline into fall, with sunshine tapering off to 319 hours in September and 318 hours in October. Overall, the sunny allure of August encapsulates the vibrant, tropical spirit of Rio San Juan, making it a perfect time for beachgoers and sun seekers alike.
In August, the likelihood of enjoying sunny weather in Rio San Juan, Dominican Republic drops to 38%, marking it as one of the cooler months in terms of sunshine. This decline follows a slightly more favorable summer period, where July boasted a 49% chance of clear skies. Notably, these summer months dip significantly from the sunnier vibes often experienced earlier in the year, with January starting at 45% and peaking in February with a robust 67%. As the year progresses towards fall, the sun starts to peek out a bit more, as seen in September when the chance rises again to 52%. This shifting pattern of sunny weather highlights how August finds itself nestled in a transitional phase, often swayed by the lingering effects of summer rains.
In August, Rio San Juan enjoys approximately 12 hours of daylight, reflecting a slight decrease as summer begins to wane. This month follows a trend of longer days in the preceding months, which peaked in May, June, and July with 13 hours of sun each day. As the year progresses, daylight gradually diminishes, transitioning to 11 hours in September and continuing its decline towards winter. Despite this reduction, August remains vibrant, offering ample sunlight to appreciate the beauty of the Dominican Republic's lush landscapes and inviting beaches.
In August, Rio San Juan experiences a pleasant shift in its wind patterns, with an average speed of 5.2 m/s (12 mph). This gentle breeze is a slight dip from the higher winds seen in the preceding months of June and July, which reach 5.6 m/s (12 mph) and 5.8 m/s (13 mph), respectively. It's interesting to note that August maintains a consistently moderate wind speed that mirrors the values recorded in the spring months. As autumn approaches, the winds begin to lessen further, creating a tranquil atmosphere that contrasts sharply with the lively breezes of summer. This gradual transition underscores Rio San Juan's unique climate rhythm, blending warmth and cooling winds for a delightful tropical experience.
Weather in Rio San Juan varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Rio San Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between August and January, August is generally warmer and more humid. With average temperatures peaking at 27°C (82°F) and maximums reaching 31°C (88°F), it provides a tropical atmosphere alongside higher humidity levels of 71%. Additionally, August sees considerable rainfall, with 99 mm (3.9 in) over 22 days.
In contrast, January offers slightly cooler conditions, with average temperatures around 25°C (77°F) and maximums of 28°C (82°F). It also experiences less precipitation, totaling 66 mm (2.6 in) across 15 days, and a lower humidity level of 65%. For more specifics on January weather in the region, visit Rio San Juan weather in January.
August and February present distinct weather patterns in Rio San Juan. In August, temperatures are generally warmer, with a minimum of 24°C (76°F), an average of 27°C (82°F), and a maximum of 31°C (88°F). This month also sees higher humidity at 71% and significantly more precipitation, totaling 99 mm (3.9 in) over 22 days. In contrast, February offers milder conditions, with temperatures ranging from a minimum of 21°C (69°F) to a maximum of 28°C (83°F) and an average of 25°C (76°F). The humidity is slightly lower at 63%, and the total precipitation is reduced to 70 mm (2.7 in) over 20 days. Overall, February tends to be more comfortable and drier than August. For a detailed look at February weather, check out Rio San Juan weather in February.
In comparing the weather patterns of August and March, it is evident that August tends to be hotter, with average temperatures ranging from 24°C (76°F) to a maximum of 31°C (88°F), while March has slightly cooler averages, with temperatures from 21°C (71°F) to a maximum of 28°C (83°F). Although August's precipitation totals 99 mm (3.9 in) over 22 days, March experiences slightly higher rainfall at 112 mm (4.4 in) over 18 days, indicating that the latter month may offer a more variable weather experience. Additionally, March boasts lower humidity levels at 59%, compared to August's 71%, making it feel less muggy and more comfortable. For more detailed insights, you can visit Rio San Juan weather in March.
When comparing the weather in August to that of April, a marked difference can be observed in temperature, precipitation, and humidity levels. In August, temperatures range from a minimum of 24°C (76°F) to a maximum of 31°C (88°F) with an average of 27°C (82°F), while April experiences slightly cooler temperatures with a minimum of 22°C (72°F), an average of 25°C (78°F), and a maximum of 29°C (84°F). Additionally, August sees more precipitation with 99 mm (3.9 in) falling over 22 days, compared to April's 68 mm (2.7 in) across 17 days. Humidity is also higher in August at 71%, compared to April's 58%. For more details on the weather in April, you can visit Rio San Juan weather in April.
In comparing the weather in August and May, August tends to be slightly warmer, with an average temperature of 27°C (82°F) compared to May's 26°C (79°F). The maximum temperatures also showcase a difference, with August reaching up to 31°C (88°F) while May peaks at 30°C (86°F). However, August experiences more precipitation, with 99 mm (3.9 in) spread over 22 days, compared to May's 81 mm (3.2 in) over 19 days. Additionally, humidity is higher in August at 71%, compared to 57% in May, making August feel more muggy. For a more detailed look at May weather, you can check Rio San Juan weather in May.
In comparing the weather of June and August, both months experience similar minimum and average temperatures, with June's average slightly cooler at 27°C (81°F) compared to August's 27°C (82°F). However, August tends to be warmer with a maximum temperature reaching 31°C (88°F), while June peaks at 29°C (85°F). Precipitation also increases notably in August, with 99 mm (3.9 in) of rain over 22 days, compared to June's 60 mm (2.4 in) over 19 days. Additionally, August experiences higher humidity levels at 71%, while June maintains a more comfortable 57% humidity. For more specific details on June weather, you can check Rio San Juan weather in June.
In comparing the weather between July and August, both months exhibit similar temperature ranges, with both having a minimum of 24°C (76°F) and an average around 27°C (81°F in July and 82°F in August). However, August sees slightly higher maximum temperatures, peaking at 31°C (88°F), compared to July’s maximum of 30°C (87°F). Precipitation remains fairly consistent, with July recording 103 mm (4.1 in) over 23 days and August slightly lower at 99 mm (3.9 in) over 22 days. Notably, August experiences higher humidity at 71%, while July’s humidity is more comfortable at 63%. For more detailed information on July weather, you can refer to Rio San Juan weather in July.
In August, the weather features a minimum temperature of 24°C (76°F), with an average of 27°C (82°F) and a maximum of 31°C (88°F). Precipitation during this month totals 99 mm (3.9 in) across 22 days, accompanied by a humidity level of 71%. In contrast, September maintains the same temperature range but experiences an increase in precipitation to 145 mm (5.7 in) over 20 days, resulting in slightly higher humidity at 73%. For more insights on the weather specifics during this time, you can check Rio San Juan weather in September.
In August, the weather in Rio San Juan is characterized by warm temperatures, with a minimum of 24°C (76°F) and an average of 27°C (82°F), peaking at a maximum of 31°C (88°F). The month experiences around 99 mm (3.9 in) of precipitation over 22 days, while humidity levels hover at 71%.
Conversely, October sees similar temperatures with a minimum of 24°C (76°F), an average of 27°C (81°F), and a slightly lower maximum of 30°C (87°F). Precipitation increases slightly to 102 mm (4.0 in) over the same number of rainy days, and humidity levels rise marginally to 72%.
For a detailed forecast and more information on October weather, you can visit Rio San Juan weather in October.
In comparing the weather between August and November, both months exhibit warm temperatures with November being slightly cooler. August sees a minimum temperature of 24°C (76°F), an average of 27°C (82°F), and a maximum of 31°C (88°F), while November maintains a similar minimum of 24°C (75°F) and averages 26°C (80°F) at its peak of 30°C (86°F). Precipitation is also noteworthy; August receives 99 mm (3.9 in) over 22 days, whereas November has a bit more with 110 mm (4.3 in) across 21 days, reflecting consistent rainfall but a slightly wetter month in November. Humidity levels remain comparable, with August at 71% and November at 72%. For a more detailed look at November's weather, visit Rio San Juan weather in November.
In August, the weather is characterized by warmer temperatures, with a minimum of 24°C (76°F) and an average of 27°C (82°F), reaching a maximum of 31°C (88°F). This month also sees a higher level of precipitation at 99 mm (3.9 in) over 22 days, contributing to a humidity level of 71%. In contrast, December offers slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 25°C (78°F), and a maximum of 29°C (85°F). Precipitation decreases to 83 mm (3.3 in) over the same number of days, and humidity levels are a bit lower at 69%. The weather in December remains pleasant, making it an appealing time to visit. For more details, check out Rio San Juan weather in December.
August in Rio San Juan stands out with its warm, tropical climate characterized by high humidity and frequent rain. Unlike the cooler months, this period experiences a noticeable uptick in rainfall, contributing to lush, vibrant landscapes but also increasing the number of wet days. With temperatures averaging around a balmy 27°C (82°F), visitors can expect a mix of sunshine and clouds as summer gradually transitions into fall. This unique combination makes August an intriguing time to explore the area’s natural beauty while preparing for the occasional shower. For a detailed look at the yearly weather patterns, check out Rio San Juan Climate.