October Weather in Bay Saint Louis, United States

Last updated: June 24, 2025

In Bay Saint Louis, United States, the average temperature in October hovers around 23°C (75°F), making it a comfortable time to explore. Be prepared for a minimum drop to 9°C (49°F) and the occasional peak of 30°C (87°F). With an average precipitation of 133 mm (5.2 in) spread across 12 days, don’t forget your umbrella! The climate also boasts an average humidity of 76%, contributing to a lush, vibrant environment.

October Temperature in Bay Saint Louis

In October in Bay Saint Louis, the average temperature is 23°C (75°F). The maximum can reach 30°C (87°F) and the minimum can be as low as 9°C (49°F). This moderate climate makes it an ideal time for travelers to enjoy outdoor activities and explore the scenery.

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

The chart illustrates October temperature patterns in Bay Saint Louis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bay Saint Louis, October typically has an average temperature of 23°C (75°F), with highs reaching up to 30°C (87°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec545864697681828280746357
Data source: Temperature data for Bay Saint Louis generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Bay Saint Louis

In Bay Saint Louis in October, the precipitation amount is 133 mm (5.2 in) spread over 12 days.

October Precipitation Trends in Bay Saint Louis

The chart displays monthly precipitation patterns in Bay Saint Louis, 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 Saint Louis, October typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1071228912613827920024015613359120
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Bay Saint Louis

In Bay Saint Louis in October humidity is 76%. With an average temperature of 23°C (75°F), this humidity feels like walking through a warm, thick mist, making travel slightly sluggish and requiring frequent breaks to stay refreshed.

October Average Humidity in Bay Saint Louis

This chart illustrates the average monthly humidity levels in Bay Saint Louis, 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 Saint Louis is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%78%73%71%79%78%80%76%83%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Bay Saint Louis

In Bay Saint Louis in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Bay Saint Louis.

Maximum UV Index Levels in Bay Saint Louis for October

The chart shows the monthly maximum UV Index (UVI) for Bay Saint Louis 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 Saint Louis typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Bay Saint Louis 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 Saint Louis Compares to Other Months

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

This table compares monthly weather conditions in Bay Saint Louis, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)107 mm (4.2 inches)82%moderate
February Weather15°C (59°F)122 mm (4.8 inches)80%very high
March Weather18°C (64°F)89 mm (3.5 inches)80%very high
April Weather20°C (69°F)126 mm (4.9 inches)78%extreme
May Weather24°C (76°F)138 mm (5.4 inches)73%extreme
June Weather27°C (81°F)279 mm (11.0 inches)71%extreme
July Weather28°C (82°F)200 mm (7.9 inches)79%extreme
August Weather28°C (83°F)239 mm (9.4 inches)78%extreme
September Weather27°C (80°F)155 mm (6.1 inches)80%very high
October Weather23°C (75°F)133 mm (5.2 inches)76%very high
November Weather17°C (63°F)59 mm (2.3 inches)83%high
December Weather14°C (58°F)120 mm (4.7 inches)87%moderate

Compare Bay Saint Louis's Climate with Cities Worldwide