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August Weather in Grenada, United States

Last updated: June 24, 2025

In August, the average temperature in Grenada, United States is a warm 27°C (81°F). Expect mild evenings with a minimum of 18°C (64°F), while daytime temperatures can soar to a maximum of 37°C (98°F). However, be prepared for wet days, as 119 mm (4.7 in) of precipitation may fall over 13 days. The atmosphere is typically quite humid, with an average humidity of 77%, inviting you to embrace the tropical vibe.

August Temperature in Grenada

In August in Grenada, the average temperature is 27°C (81°F), with maximums reaching up to 37°C (98°F) and minimums dipping as low as 18°C (64°F). This makes it an ideal time for travelers seeking warm weather and outdoor adventures.

August Weather in Grenada: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Grenada, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grenada, August typically has an average temperature of 27°C (81°F), with highs reaching up to 37°C (98°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec465058637379828177675350
Data source: Temperature data for Grenada 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 Grenada

In Grenada in August, the precipitation amount is 119 mm (4.7 in) spread over 13 days.

August Precipitation Trends in Grenada

The chart displays monthly precipitation patterns in Grenada, 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 Grenada, August typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec120185164149109131961199112480134
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Grenada

In Grenada in August, humidity is 77%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket, making travel feel sticky and heavy, as sweat clings to the skin and the air becomes thick, causing you to long for refreshing breezes and cool shade.

August Average Humidity in Grenada

This chart illustrates the average monthly humidity levels in Grenada, 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 Grenada is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Grenada

In Grenada in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Grenada.

Maximum UV Index Levels in Grenada for August

The chart shows the monthly maximum UV Index (UVI) for Grenada 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 Grenada typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Grenada 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 Grenada Compares to Other Months

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

This table compares monthly weather conditions in Grenada, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)119 mm (4.7 inches)85%moderate
February Weather10°C (50°F)185 mm (7.3 inches)84%high
March Weather15°C (58°F)164 mm (6.5 inches)82%very high
April Weather17°C (63°F)149 mm (5.9 inches)82%very high
May Weather23°C (73°F)109 mm (4.3 inches)82%extreme
June Weather26°C (79°F)131 mm (5.1 inches)79%extreme
July Weather28°C (82°F)96 mm (3.8 inches)82%extreme
August Weather27°C (81°F)119 mm (4.7 inches)77%extreme
September Weather25°C (78°F)91 mm (3.6 inches)74%very high
October Weather19°C (67°F)124 mm (4.9 inches)73%very high
November Weather12°C (53°F)80 mm (3.1 inches)85%high
December Weather10°C (50°F)133 mm (5.3 inches)88%moderate

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