July Weather in Bay City, United States

Last updated: June 24, 2025

In Bay City, United States, the average temperature in July hovers around 15°C (59°F), with pleasant days reaching a maximum of 22°C (72°F) and cooler nights dipping to a minimum of 11°C (52°F). Expect 16 mm (0.6 in) of precipitation over the course of 3 days, contributing to an average humidity of 82%, making the atmosphere feel refreshingly vibrant.

July Temperature in Bay City

In July in Bay City, the average temperature is 15°C (59°F). Maximums can reach 22°C (72°F), and minimums can be as low as 11°C (52°F). This moderate climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

July Weather in Bay City: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Bay City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bay City, July typically has an average temperature of 15°C (59°F), with highs reaching up to 22°C (72°F) and lows dropping to around 11°C (52°F).

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

July Precipitation in Bay City

In Bay City in July, the precipitation amount is 16 mm (0.6 in), spread over a duration of 3 days.

July Precipitation Trends in Bay City

The chart displays monthly precipitation patterns in Bay City, 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 Bay City, July typically receives around 16 mm (0.6 inches) of precipitation spread over approximately 3 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 Bay City

In Bay City in July, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.

July Average Humidity in Bay City

This chart illustrates the average monthly humidity levels in Bay City, 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 Bay City is approximately 82%, 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 Bay City

In Bay City in July, 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 Bay City.

Maximum UV Index Levels in Bay City for July

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

Data source: Bay City 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 Bay City Compares to Other Months

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

This table compares monthly weather conditions in Bay City, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	270 mm (10.6 inches)	85%	low
February Weather	7°C (44°F)	244 mm (9.6 inches)	84%	moderate
March Weather	8°C (46°F)	192 mm (7.6 inches)	85%	moderate
April Weather	9°C (49°F)	157 mm (6.2 inches)	83%	high
May Weather	11°C (53°F)	77 mm (3.0 inches)	83%	very high
June Weather	14°C (57°F)	67 mm (2.6 inches)	83%	very high
July Weather	15°C (59°F)	16 mm (0.6 inches)	82%	very high
August Weather	15°C (60°F)	17 mm (0.7 inches)	74%	very high
September Weather	15°C (59°F)	96 mm (3.8 inches)	71%	high
October Weather	12°C (54°F)	176 mm (6.9 inches)	81%	moderate
November Weather	10°C (50°F)	274 mm (10.8 inches)	87%	moderate
December Weather	8°C (46°F)	301 mm (11.8 inches)	87%	low