Weather Averages Bay Saint Louis, MS

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Weather Averages for
Bay Saint Louis, MS


Latitude: 30°22'N, Longitude: 89°35'W, Elevation: 30.0 ft, Distance: 5.14 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 56 years
°F 66 50 53 60 66 73 80 82 82 78 68 60 53
Average high temperature
over 56 years
°F 77 60 62 69 77 84 89 91 91 87 78 69 62
Average low temperature
over 56 years
°F 57 39 43 48 57 64 71 73 73 68 57 48 42
Highest recorded temperature
over 56 years
°F 104 82 84 87 93 96 100 104 102 102 95 89 82
Lowest recorded temperature
over 56 years
°F 5 5 16 21 28 41 48 62 57 44 31 24 10
Average number of days above 90°F
over 56 years
days 70 - - - - 3 15 21 20 10 1 - -
Average precipitation
over 57 years
in 61.6 5.4 5.6 5.7 5.1 5.1 4.4 6.3 6.5 5.5 2.6 4.1 5.2
Average number of days above 70°F
over 56 years
days 263 5 8 17 27 31 30 31 31 30 29 17 7
Most recorded rainfall
over 57 years
in 90.5 21.2 12.0 14.8 16.1 17.2 10.3 16.4 13.3 19.9 11.1 15.2 10.0
Least recorded rainfall
over 57 years
in 28.7 0.7 0.2 0.1 0.7 0.3 0.6 1.3 0.2 0.5 - - 1.1
Average number of days with thunderstorms
over 17 years
days 27 - 1 2 2 3 5 6 4 2 1 - 1
Average number of days with fog
over 17 years
days 8 2 1 2 - - - - - - 1 1 1
Average number of days below 32°F
over 56 years
days 24 9 5 1 - - - - - - - 2 7