Bay St. Louis, MS weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Bay St. Louis now
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Bay St. Louis weather by the hour
Bay St. Louis weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Bay St. Louis.
This week in Bay St. Louis
Sunrise, sunset and moon in Bay St. Louis
What is the weather usually like in Bay St. Louis?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 89°F average high
- Januarycoldest month · 42°F average low
- 65.0 inprecipitation per year · 1,651 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Bay St. Louis: April–May and October–November, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station WAVELAND, MS US (USC00229426), adjusted for the elevation of Bay St. Louis.
Bay St. Louis weather month by month
Sunrise and sunset in Bay St. Louis through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 6:53 AM | 5:20 PM | 10 h 27 min |
| February | 6:36 AM | 5:47 PM | 11 h 11 min |
| March | 7:05 AM | 7:06 PM | 12 h 1 min |
| April | 6:28 AM | 7:26 PM | 12 h 57 min |
| May | 6:01 AM | 7:45 PM | 13 h 43 min |
| June | 5:53 AM | 8:02 PM | 14 h 8 min |
| July | 6:04 AM | 8:02 PM | 13 h 57 min |
| August | 6:23 AM | 7:40 PM | 13 h 17 min |
| September | 6:40 AM | 7:04 PM | 12 h 23 min |
| October | 6:58 AM | 6:27 PM | 11 h 29 min |
| November | 6:22 AM | 5:02 PM | 10 h 40 min |
| December | 6:45 AM | 5:00 PM | 10 h 14 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Bay St. Louis?
Bay St. Louis has a humid subtropical climate. The warmest month is August, with an average high of 89°F (32°C), and the coldest is January, with average lows of 42°F (5°C).
It gets about 65.0 inches (1,651 mm) of precipitation a year. The wettest month is July and the driest is October.
The best time to visit Bay St. Louis is April–May and October–November. At 23 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Bay St. Louis
Weather in towns near Bay St. Louis
Questions about the weather in Bay St. Louis
What is the hottest month in Bay St. Louis?
August, with an average high of 89°F (32°C).
What is the coldest month in Bay St. Louis?
January, with an average low of 42°F (5°C).
How much does it rain in Bay St. Louis?
About 65.0 inches (1,651 mm) a year; the wettest month is July.
Does it snow in Bay St. Louis?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Bay St. Louis?
April–May and October–November, when temperatures are most pleasant and rainy days are fewer.
What climate does Bay St. Louis have?
Humid subtropical (Köppen Cfa).
What is the weather like in Bay St. Louis in November?
Highs average 68°F and lows 49°F, with about 4.1 inches of precipitation.
What time is sunrise in Bay St. Louis?
Around 6:22 AM in mid-November, and sunset around 5:02 PM. Today’s exact times are shown above.
Where does this Bay St. Louis weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Bay St. Louis.
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