August Weather in Miami, United States

Last updated: June 24, 2025

In August, the average temperature in Miami, United States is a warm 26°C (79°F), making it a delightful time to explore. Temperatures can swing between a comfortable 16°C (60°F) and a hot 36°C (97°F). Visitors should be prepared for 114 mm (4.5 in) of rainfall, typically spread over 12 days, while enjoying an average humidity of 73%.

August Temperature in Miami

In August in Miami, the average temperature is 26°C (79°F). Maximums can reach 36°C (97°F), and minimums can be as low as 16°C (60°F). This varied climate makes it an ideal time for travelers to enjoy both warm days and cooler evenings.

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

The chart illustrates August temperature patterns in Miami, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miami, August typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (97°F) and lows dropping to around 16°C (60°F).

Data source: Temperature data for Miami generated using information from the Copernicus Climate Change Service.

August Precipitation in Miami

In Miami in August, the precipitation amount is 114 mm (4.5 in) spread over 12 days.

August Precipitation Trends in Miami

The chart displays monthly precipitation patterns in Miami, 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 Miami, August typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Miami

In Miami in August, humidity is 73%. With an average temperature of 26°C (79°F), this humidity feels like a warm, sticky embrace, making travel slightly uncomfortable as you navigate through the heat with a constant sheen of sweat on your skin.

August Average Humidity in Miami

This chart illustrates the average monthly humidity levels in Miami, 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 Miami is approximately 73%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Miami

In Miami in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Miami.

Maximum UV Index Levels in Miami for August

The chart shows the monthly maximum UV Index (UVI) for Miami 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 Miami typically reaches 10, which falls under the very high exposure category.

Data source: Miami 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 Miami Compares to Other Months

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

This table compares monthly weather conditions in Miami, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	79 mm (3.1 inches)	77%	moderate
February Weather	4°C (40°F)	71 mm (2.8 inches)	76%	high
March Weather	11°C (52°F)	135 mm (5.3 inches)	71%	high
April Weather	15°C (58°F)	142 mm (5.6 inches)	73%	very high
May Weather	20°C (69°F)	200 mm (7.9 inches)	83%	very high
June Weather	26°C (78°F)	97 mm (3.8 inches)	83%	extreme
July Weather	27°C (82°F)	100 mm (3.9 inches)	81%	extreme
August Weather	26°C (79°F)	114 mm (4.5 inches)	73%	very high
September Weather	24°C (75°F)	87 mm (3.4 inches)	67%	very high
October Weather	16°C (61°F)	133 mm (5.3 inches)	72%	high
November Weather	9°C (49°F)	58 mm (2.3 inches)	82%	moderate
December Weather	6°C (44°F)	51 mm (2.0 inches)	85%	moderate