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August Weather in Santo Domingo, Puerto Rico

Last updated: August 31, 2025

In August, the average temperature in Santo Domingo, Puerto Rico is a warm 27°C (81°F). You can expect a minimum of 24°C (75°F) and a maximum of 31°C (89°F), making it a perfect time for outdoor activities. However, be prepared for some rain, as 94 mm (3.7 in) of precipitation may occur over 17 days. With an average humidity of 80%, the air can feel quite tropical.

August Temperature in Santo Domingo

In August in Santo Domingo, the average temperature is 27°C (81°F). Maximums can reach 31°C (89°F) and minimums can be as low as 24°C (75°F). This warm climate makes Santo Domingo an ideal destination for travelers looking to enjoy pleasant weather and outdoor activities.

August Weather in Santo Domingo: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Santo Domingo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Domingo, August typically has an average temperature of 27°C (81°F), with highs reaching up to 31°C (89°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec757575767879808180797877
Data source: Temperature data for Santo Domingo generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Santo Domingo

In Santo Domingo in August, the precipitation amount is 94 mm (3.7 in) over the course of 17 days.

August Precipitation Trends in Santo Domingo

The chart displays monthly precipitation patterns in Santo Domingo, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Santo Domingo, August typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec19265355676190941671078725
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Santo Domingo

In Santo Domingo in August humidity is 80%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making travel tiring as sweat beads form quickly and the air feels thick and heavy.

August Average Humidity in Santo Domingo

This chart illustrates the average monthly humidity levels in Santo Domingo, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Santo Domingo is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%75%76%76%78%81%80%79%79%78%77%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Santo Domingo

In Santo Domingo in August, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Santo Domingo.

Maximum UV Index Levels in Santo Domingo for August

The chart shows the monthly maximum UV Index (UVI) for Santo Domingo in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Santo Domingo typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131414131313131298
Data source: Santo Domingo August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Santo Domingo Compares to Other Months

Weather in Santo Domingo varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Santo Domingo, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Santo Domingo, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)19 mm (0.8 inches)76%very high
February Weather24°C (76°F)26 mm (1.0 inches)75%extreme
March Weather24°C (76°F)53 mm (2.1 inches)75%extreme
April Weather25°C (76°F)55 mm (2.1 inches)76%extreme
May Weather25°C (78°F)67 mm (2.6 inches)76%extreme
June Weather26°C (80°F)61 mm (2.4 inches)78%extreme
July Weather27°C (80°F)90 mm (3.5 inches)81%extreme
August Weather27°C (81°F)94 mm (3.7 inches)80%extreme
September Weather27°C (80°F)167 mm (6.6 inches)79%extreme
October Weather26°C (79°F)107 mm (4.2 inches)78%extreme
November Weather26°C (78°F)87 mm (3.4 inches)78%very high
December Weather25°C (77°F)25 mm (1.0 inches)77%very high

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