Measurements:
°C
°F
CURRENT WEATHER
13:27
Bay Saint Louis
96°F
E 6 mph
Feels like: 110°F
Precip: 3%
World Resorts USA Bay Saint Louis Weather

7 Day Weather Forecast

07.15
wed
DAY
96°F
E 6 mph
precip
3%
NIGHT
86°F
SE 4 mph
precip
10%
07.16
thu
DAY
92°F
NE 3 mph
precip
2%
NIGHT
82°F
E 9 mph
precip
9%
07.17
fri
DAY
94°F
E 4 mph
precip
3%
NIGHT
84°F
E 5 mph
precip
10%
07.18
sat
DAY
92°F
SE 5 mph
precip
6%
NIGHT
82°F
S 6 mph
precip
10%
07.19
sun
DAY
96°F
E 5 mph
precip
3%
NIGHT
78°F
SE 1 mph
precip
13%
07.20
mon
DAY
92°F
SE 4 mph
precip
6%
NIGHT
84°F
NE 9 mph
precip
9%
07.21
tue
DAY
94°F
E 6 mph
precip
3%
NIGHT
86°F
E 8 mph
precip
9%

Bay Saint Louis Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Bay Saint Louis was 30.6°F. The maximum and minimum values were 29.1°F and 31.1°F respectively.

Bay Saint Louis on the Weather Map

Best Time to Visit Bay Saint Louis
The most sunny months:
October 20 days
September 16 days
May 14 days
The most warm months:
August 92.5 °F
July 92.4 °F
June 90.8 °F
Warmest sea temperature:
August 91.0 °F
July 90.5 °F
June 87.6 °F
The most cold months:
January 58.1 °F
February 62.2 °F
December 62.3 °F
The most rainy months:
August 5 days
July 5 days
May 4 days
The most windy months:
April 9 mph
March 9 mph
January 9 mph
more details