October weather forecastBay Saint Louis, MS
October
Weather in October
October witnesses the progression of autumn in Bay Saint Louis, Mississippi, with temperatures continuing to drop from September. The weather becomes noticeably cooler, with rainfall scaling down and humidity levelling off. The first chill of the autumn season begins to be felt, especially during the shorter, darker evenings. Despite this, October still batches up 11.4 hours of daylight, making it a joy to explore the autumnal beauty of the city.Temperature
October's arrival aligns with a minor decrease in average high-temperatures, from September's hot 86°F (30°C) to a moderately hot 78.3°F (25.7°C). Nighttime temperature lowers to an average of 65.1°F (18.4°C) in October.Humidity
The least humid month is October, with an average relative humidity of 70%.Rainfall
In Bay Saint Louis, in October, during 7.9 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, there are 131.5 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
In Bay Saint Louis, snow does not fall in February through December.Ocean temperature
In October, the average ocean temperature is 77.2°F (25.1°C).Note: Water temperature ranging between 77°F (25°C) and 84.2°F (29°C) is considered very warm and pleasing for everyone. It allows for enjoyable water activities over extended periods without discomfort.
Daylight
In October, the average length of the day in Bay Saint Louis is 11h and 25min.On the first day of the month, sunrise is at 6:51 am and sunset at 6:42 pm. On the last day of October, sunrise is at 7:11 am and sunset at 6:10 pm CDT.
Sunshine
The average sunshine in October is 7.8h.UV index
In October, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in October interprets into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Experience reduced UV exposure by about half when donning a wide-brim hat. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Bay Saint Louis, MS
- Average high temperature in October: 78.3°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in October: 65.1°F
The month with the highest average low temperature is August (77.9°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in October
Bay Saint Louis, MS
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in October
Bay Saint Louis, MS
- Average wind speed in October: 7.9mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in October
Bay Saint Louis, MS
- Average humidity in October: 70%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Bay Saint Louis, MS
- Average rainfall in October: 1.06"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is March (0.51").
Average rainfall days in October
Bay Saint Louis, MS
- Average rainfall days in October: 7.9 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is November (4.9 days).
Average snowfall days in October
Bay Saint Louis, MS
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in October
Bay Saint Louis, MS
- Average sea temperature in October: 77.2°F
The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is January (56.8°F).
Average daylight in October /
Average sunshine in October
Bay Saint Louis, MS
- Average daylight in October: 11h and 24min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in October: 7h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in October
Bay Saint Louis, MS
- Average sunshine days in October: 20 days
The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is August (8 days).
Average UV index in October
Bay Saint Louis, MS
- Average UV index in October: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover in October
Bay Saint Louis, MS
- Average cloud cover in October: 23
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in October
Bay Saint Louis, MS
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
