July Weather in Port Huron, United States

Last updated: June 24, 2025

The average temperature in Port Huron, United States during July is a pleasant 23°C (73°F). Expect minimums around 13°C (55°F) and maximums soaring up to 34°C (93°F). This month also brings 73 mm (2.9 in) of precipitation over 11 days, contributing to an average humidity level of 80%.

July Temperature in Port Huron

In July in Port Huron, the average temperature is 23°C (73°F). Maximum temperatures can reach 34°C (93°F) while minimums can drop as low as 13°C (55°F). This makes it an ideal time for travelers seeking pleasant weather for outdoor activities.

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

The chart illustrates July temperature patterns in Port Huron, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Huron, July typically has an average temperature of 23°C (73°F), with highs reaching up to 34°C (93°F) and lows dropping to around 13°C (55°F).

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

July Precipitation in Port Huron

In Port Huron in July, the precipitation amount is 73 mm (2.9 in), spread over 11 days.

July Precipitation Trends in Port Huron

The chart displays monthly precipitation patterns in Port Huron, 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 Huron, July typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 11 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 Huron

In Port Huron in July humidity is 80%. With an average temperature of 23°C (73°F), this humidity feels like a warm blanket enveloping you, making outdoor activities slightly sticky and requiring frequent breaks in shaded areas to stay comfortable while exploring.

July Average Humidity in Port Huron

This chart illustrates the average monthly humidity levels in Port Huron, 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 Huron is approximately 80%, 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 Huron

In Port Huron in July, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Port Huron.

Maximum UV Index Levels in Port Huron for July

The chart shows the monthly maximum UV Index (UVI) for Port Huron 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 Huron typically reaches 9, which falls under the very high exposure category.

Data source: Port Huron 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 Huron Compares to Other Months

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

This table compares monthly weather conditions in Port Huron, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (27°F)	60 mm (2.4 inches)	88%	low
February Weather	-3°C (28°F)	66 mm (2.6 inches)	87%	moderate
March Weather	1°C (35°F)	63 mm (2.5 inches)	85%	moderate
April Weather	7°C (45°F)	95 mm (3.7 inches)	86%	very high
May Weather	13°C (57°F)	97 mm (3.8 inches)	80%	very high
June Weather	20°C (68°F)	86 mm (3.4 inches)	80%	very high
July Weather	23°C (73°F)	73 mm (2.9 inches)	80%	very high
August Weather	22°C (72°F)	79 mm (3.1 inches)	80%	very high
September Weather	18°C (65°F)	73 mm (2.9 inches)	80%	high
October Weather	12°C (54°F)	106 mm (4.2 inches)	84%	moderate
November Weather	4°C (40°F)	72 mm (2.8 inches)	89%	moderate
December Weather	0°C (33°F)	55 mm (2.2 inches)	86%	low