July Weather in Bay City, United States

Last updated: June 24, 2025

In July, the average temperature in Bay City, United States hovers around 29°C (84°F), providing a warm backdrop for your adventures. Daily temperatures can range from a comfortable 20°C (68°F) to a sizzling 38°C (100°F), so be prepared for any weather! Expect about 145 mm (5.7 in) of precipitation over 15 days, with an average humidity level of 71% adding a touch of tropical flair. Enjoy your stay! 🌞

July Temperature in Bay City

In July, in Bay City, the average temperature is 29°C (84°F). The maximum can reach 38°C (100°F) and the minimum can be as low as 20°C (68°F). This makes it a perfect time to explore the beautiful sights and enjoy outdoor activities in Bay City.

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 29°C (84°F), with highs reaching up to 38°C (100°F) and lows dropping to around 20°C (68°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 145 mm (5.7 in) spread over the course of 15 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 145 mm (5.7 inches) of precipitation spread over approximately 15 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Bay City

In Bay City in July, humidity is 71%. With an average temperature of 29°C (84°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling quite uncomfortable as the air clings to your skin and requires frequent breaks to stay hydrated.

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 71%, 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 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 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 12, which falls under the extreme 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	13°C (56°F)	73 mm (2.9 inches)	78%	moderate
February Weather	15°C (60°F)	72 mm (2.8 inches)	81%	very high
March Weather	19°C (67°F)	70 mm (2.7 inches)	76%	very high
April Weather	22°C (72°F)	71 mm (2.8 inches)	79%	extreme
May Weather	26°C (79°F)	137 mm (5.4 inches)	79%	extreme
June Weather	28°C (83°F)	157 mm (6.2 inches)	74%	extreme
July Weather	29°C (84°F)	145 mm (5.7 inches)	71%	extreme
August Weather	29°C (85°F)	171 mm (6.7 inches)	68%	extreme
September Weather	27°C (81°F)	165 mm (6.5 inches)	73%	extreme
October Weather	23°C (74°F)	74 mm (2.9 inches)	75%	very high
November Weather	18°C (64°F)	78 mm (3.1 inches)	78%	high
December Weather	15°C (60°F)	90 mm (3.5 inches)	84%	moderate