July Weather in Port Saint Lucie, United States

Last updated: June 24, 2025

In July, the average temperature in Port Saint Lucie, United States reaches a warm 28°C (83°F). Expect a minimum of 24°C (76°F) and a maximum of 33°C (92°F), providing a comfortable range for outdoor activities. However, be prepared for 140 mm (5.5 in) of precipitation over 25 days, and a high average humidity of 77%, adding a touch of tropical ambiance to your experience.

July Temperature in Port Saint Lucie

In July in Port Saint Lucie, the average temperature is 28°C (83°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 24°C (76°F). This makes it an ideal destination for travelers looking to enjoy warm, pleasant weather.

July Weather in Port Saint Lucie: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Port Saint Lucie, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Saint Lucie, July typically has an average temperature of 28°C (83°F), with highs reaching up to 33°C (92°F) and lows dropping to around 24°C (76°F).

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

July Precipitation in Port Saint Lucie

In Port Saint Lucie in July, the precipitation amount is 140 mm (5.5 in) over the course of 25 days.

July Precipitation Trends in Port Saint Lucie

The chart displays monthly precipitation patterns in Port Saint Lucie, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Port Saint Lucie, July typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 25 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Port Saint Lucie

In Port Saint Lucie in July, humidity is 77%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making outdoor activities more challenging and requiring frequent hydration breaks for travelers.

July Average Humidity in Port Saint Lucie

This chart illustrates the average monthly humidity levels in Port Saint Lucie, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Port Saint Lucie is approximately 77%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Port Saint Lucie

In Port Saint Lucie in July, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Port Saint Lucie.

Maximum UV Index Levels in Port Saint Lucie for July

The chart shows the monthly maximum UV Index (UVI) for Port Saint Lucie in July, 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 July, the maximum UV index in Port Saint Lucie typically reaches 12, which falls under the extreme exposure category.

Data source: Port Saint Lucie July 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 July Weather in Port Saint Lucie Compares to Other Months

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

This table compares monthly weather conditions in Port Saint Lucie, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (68°F)	38 mm (1.5 inches)	83%	high
February Weather	22°C (72°F)	43 mm (1.7 inches)	80%	very high
March Weather	22°C (72°F)	31 mm (1.2 inches)	75%	very high
April Weather	24°C (76°F)	65 mm (2.6 inches)	68%	extreme
May Weather	26°C (79°F)	122 mm (4.8 inches)	65%	extreme
June Weather	27°C (81°F)	159 mm (6.3 inches)	73%	extreme
July Weather	28°C (83°F)	140 mm (5.5 inches)	77%	extreme
August Weather	28°C (83°F)	175 mm (6.9 inches)	80%	extreme
September Weather	28°C (82°F)	148 mm (5.8 inches)	83%	extreme
October Weather	27°C (80°F)	126 mm (5.0 inches)	83%	very high
November Weather	23°C (75°F)	81 mm (3.2 inches)	83%	high
December Weather	21°C (71°F)	49 mm (1.9 inches)	84%	moderate