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Bay Saint Louis weather in July

Weather in Bay Saint Louis: July

Average day temperature: 88.5°F
Average night temperature: 79.3°F
Sea water temperature: 86.5°F
Number of sunny days: 11 days
Day length: 13.6 - 14.1 hours
Number of rainy days: 4 days
Precipitation totals: 2.2 in.

Air temperature in July, °F

Show year:
2026
2025
2024

The highest day temperature during July of 2026 was 94°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during July were 90.6°F and 80.6°F.

Sea water temperature in Bay Saint Louis in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 88.0°F and 84.4°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in July is almost equal.

Precipitation total in July, in.

Precipitation total value in Bay Saint Louis in July is 2.2 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July is 6.6 mph It makes July lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 8.6.

Best time for vacation in Bay Saint Louis

Sunniest months:
October 20 days
September 16 days
May 14 days
Warmest months:
July 88.5 °F
August 88.3 °F
June 86.7 °F
Warmest sea temp:
August 86.9 °F
July 86.5 °F
June 83.9 °F
Coldest months:
January 57.3 °F
February 61.0 °F
December 61.0 °F
Rainiest months:
August 5 days
July 4 days
May 4 days
Windiest months:
April 9.2 mph
March 9.1 mph
January 8.8 mph

Bay Saint Louis on a weather map

Bay Saint Louis
+88°F
NE 12 mph
Feels like: +99°F
Precip.: 6%
Places in USA:
Name
°F
+72°F
+81°F
+79°F
+90°F
+70°F
+79°F
+75°F
+79°F
+75°F
+72°F
+57°F
+68°F
+79°F
+82°F
+72°F
24 Hours Forecast
Bay Saint Louis
Local time: 21:58
August 13, thursday
0000
86°F
NE
10 mph
0300
82°F
NE
9 mph
0600
81°F
NE
9 mph
0900
86°F
E
11 mph
1200
91°F
NE
9 mph
1500
93°F
NE
11 mph
1800
90°F
N
10 mph
2100
86°F
NE
14 mph
Units of measurement: °C / °F