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August Weather in Santa Isabel, Puerto Rico

Last updated: August 31, 2025

In August, the average temperature in Santa Isabel, Puerto Rico is a warm 27°C (80°F). Expect comfortable conditions with a minimum temperature of 23°C (74°F) and a maximum reaching 30°C (87°F). However, be prepared for some rain, as 89 mm (3.5 in) of precipitation is likely over 16 days. With an average humidity of 80%, it’s a perfect time to enjoy the tropical atmosphere!

August Temperature in Santa Isabel

In August in Santa Isabel, the average temperature is 27°C (80°F). Maximums can reach 30°C (87°F), and minimums can be as low as 23°C (74°F). This weather makes it an ideal time for travelers seeking warm and enjoyable conditions.

August Weather in Santa Isabel: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Santa Isabel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Isabel, August typically has an average temperature of 27°C (80°F), with highs reaching up to 30°C (87°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec757575767779798079797776
Data source: Temperature data for Santa Isabel 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 Santa Isabel

In Santa Isabel in August, the precipitation amount is 89 mm (3.5 in) over the course of 16 days.

August Precipitation Trends in Santa Isabel

The chart displays monthly precipitation patterns in Santa Isabel, 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 Santa Isabel, August typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec26285350625583891581158831
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Santa Isabel

In Santa Isabel in August humidity is 80%. With an average temperature of 27°C (80°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities feel more exhausting and sticky, and challenging you to stay hydrated while exploring.

August Average Humidity in Santa Isabel

This chart illustrates the average monthly humidity levels in Santa Isabel, 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 Santa Isabel 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 Santa Isabel

In Santa Isabel 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 Santa Isabel.

Maximum UV Index Levels in Santa Isabel for August

The chart shows the monthly maximum UV Index (UVI) for Santa Isabel 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 Santa Isabel typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111314141313131412109
Data source: Santa Isabel 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 Santa Isabel Compares to Other Months

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

This table compares monthly weather conditions in Santa Isabel, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)26 mm (1.0 inches)76%very high
February Weather24°C (75°F)28 mm (1.1 inches)75%extreme
March Weather24°C (75°F)53 mm (2.1 inches)75%extreme
April Weather24°C (76°F)50 mm (2.0 inches)76%extreme
May Weather25°C (77°F)62 mm (2.4 inches)76%extreme
June Weather26°C (79°F)55 mm (2.2 inches)78%extreme
July Weather26°C (80°F)83 mm (3.3 inches)81%extreme
August Weather27°C (80°F)89 mm (3.5 inches)80%extreme
September Weather26°C (80°F)158 mm (6.2 inches)79%extreme
October Weather26°C (79°F)115 mm (4.5 inches)78%extreme
November Weather25°C (78°F)88 mm (3.5 inches)78%very high
December Weather25°C (76°F)31 mm (1.2 inches)77%very high

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