May Weather in Miami, United States

Last updated: June 24, 2025

In Miami, United States, the average temperature in May is a pleasant 20°C (69°F). However, you may experience a wide range of conditions, with minimums dipping to 4°C (40°F) and maximums soaring up to 33°C (92°F). During this month, expect around 200 mm (7.9 in) of precipitation spread over 13 days, and enjoy the high average humidity of 83%. Prepare for a diverse and lively climate!

May Temperature in Miami

In May in Miami, the average temperature is 20°C (69°F). Maximums can reach 33°C (92°F), while minimums can drop as low as 4°C (40°F). This varied climate makes Miami an ideal destination for travelers seeking both warmth and cooler experiences.

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

The chart illustrates May 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, May typically has an average temperature of 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 4°C (40°F).

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

May Precipitation in Miami

In Miami in May, precipitation amounts to 200 mm (7.9 in) over a period of 13 days.

May Precipitation Trends in Miami

The chart displays monthly precipitation patterns in Miami, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Miami, May typically receives around 200 mm (7.9 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Miami

In Miami in May, humidity is 83%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making every step slightly more laborious and the air thick with moisture, which can be quite stifling for traveling.

May Average Humidity in Miami

This chart illustrates the average monthly humidity levels in Miami, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Miami is approximately 83%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Miami

In Miami in May, 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 May

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

Data source: Miami May 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 May 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 May’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 May’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