October Weather in Bay City, United States

Last updated: June 24, 2025

In October, the average temperature in Bay City, United States typically hovers around 23°C (74°F), with a comfortable range from a minimum of 2°C (37°F) to a maximum of 33°C (92°F). Expect about 74 mm (2.9 in) of precipitation spread over 11 days, contributing to an average humidity level of 75%. Prepare for a month that balances warmth with occasional showers!

October Temperature in Bay City

In October in Bay City, the average temperature is 23°C (74°F). Maximums can reach 33°C (92°F), while minimums can drop to around 2°C (37°F). It's an ideal time for travelers to enjoy a mix of warm days and cool nights, making it perfect for exploring outdoor attractions.

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

The chart illustrates October 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, October typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (37°F).

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

October Precipitation in Bay City

In Bay City in October, the precipitation amount is 74 mm (2.9 in) spread over the course of 11 days.

October Precipitation Trends in Bay City

The chart displays monthly precipitation patterns in Bay City, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Bay City, October typically receives around 74 mm (2.9 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Bay City

In Bay City in October, humidity is 75%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket wrapping around you, making it feel more sweltering than it actually is, which can be quite uncomfortable for traveling.

October Average Humidity in Bay City

This chart illustrates the average monthly humidity levels in Bay City, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Bay City is approximately 75%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Bay City

In Bay City in October, 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 Bay City.

Maximum UV Index Levels in Bay City for October

The chart shows the monthly maximum UV Index (UVI) for Bay City in October, 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 October, the maximum UV index in Bay City typically reaches 9, which falls under the very high exposure category.

Data source: Bay City October 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 October 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 October’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 October’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