Bay St. Louis, Mississippi, United States Climate

Weather: 23.98°C/75.16°F, Wind SW at 0 km/h, 94% Humidity, 0% Chance of rain

United States
(Photo by Olivera Trimanova on Unsplash)
Contents

Bay St. Louis Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Bay St. Louis has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 21.81ºC (71.26ºF) and it is 9.17% higher than United States’s averages. Bay St. Louis typically receives about 31.51 millimeters (1.24 inches) of precipitation and has 45.74 rainy days (12.53% of the time) annually.

CountryUnited States
CityMississippi
Longitude-89.3300461
Latitude30.3088076
Attitude/ElevationNonem (0ft)
Local timeSaturday 16:45
Annual high temperature24.51ºC (76.12ºF)
Annual low temperature17.7ºC (63.86ºF)
Average annual precip.31.51mm (1.24in)
Warmest monthAugust (31.63ºC / 88.93ºF)
Coldest MonthJanuary (7.74ºC / 45.93ºF)
Wettest MonthJuly (61.63mm / 2.43in)
Driest MonthMarch (12.75mm / 0.5in)
Number of days with rainfall (≥ 1.0 mm)45.74 days (12.53%)
Days with no rain319.26 days (87.47%)
Humidity75.55%

Climate Bay St. Louis: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)22.0(71.6)27.0(80.6)28.0(82.4)29.0(84.2)34.0(93.2)36.0(96.8)37.0(98.6)35.0(95.0)36.0(96.8)34.0(93.2)28.0(82.4)25.0(77.0)37.0(98.6)
Average high °C (°F)14.71(58.48)19.26(66.67)21.09(69.96)23.84(74.91)28.48(83.26)31.32(88.38)31.6(88.88)31.63(88.93)30.39(86.7)26.06(78.91)19.39(66.9)16.39(61.5)24.51(76.12)
Daily mean °C (°F)11.97(53.55)16.85(62.33)18.38(65.08)20.78(69.4)25.77(78.39)28.63(83.53)29.03(84.25)29.04(84.27)27.67(81.81)23.22(73.8)16.5(61.7)13.87(56.97)21.81(71.26)
Average low °C (°F)7.74(45.93)13.24(55.83)14.31(57.76)15.97(60.75)21.29(70.32)24.34(75.81)25.15(77.27)25.17(77.31)23.62(74.52)19.25(66.65)12.29(54.12)10.08(50.14)17.7(63.86)
Record low °C (°F)-7.0(19.4)3.0(37.4)0.0(0)7.0(44.6)13.0(55.4)20.0(68.0)22.0(71.6)22.0(71.6)14.0(57.2)8.0(46.4)-1.0(30.2)2.0(35.6)-7.0(19.4)
Average precipitation mm (inches)15.87(0.62)18.94(0.75)12.75(0.5)13.25(0.52)29.38(1.16)41.75(1.64)61.63(2.43)60.86(2.4)54.01(2.13)33.94(1.34)15.29(0.6)20.47(0.81)31.51(1.24)
Average precipitation days (≥ 1.0 mm)2.093.452.642.093.555.276.826.554.733.552.362.643.81
Average relative humidity (%)73.4681.0474.2271.5373.873.1876.2375.4376.7277.0375.2978.6575.55
Mean monthly sunshine hours8.858.9210.1210.6811.1112.6912.110.8910.810.329.478.5810.38

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Bay St. Louis in recent years.

Bay St. Louis

Bay St. Louis Temperature by Month

August
29.04°C | 84.27°F
July
29.03°C | 84.25°F
June
28.63°C | 83.53°F
September
27.67°C | 81.81°F
May
25.77°C | 78.39°F
October
23.22°C | 73.8°F
April
20.78°C | 69.4°F
March
18.38°C | 65.08°F
February
16.85°C | 62.33°F
November
16.5°C | 61.7°F
December
13.87°C | 56.97°F
January
11.97°C | 53.55°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature34.0°C (93.2°F)29.23°C (84.61°F)25.0°C (77.0°F)
Avg Temperature30.0°C (86.0°F)26.52°C (79.74°F)24.0°C (75.2°F)
Min Temperature25.0°C (77.0°F)21.94°C (71.49°F)18.0°C (64.4°F)
Dew PointMaxAverageMin
Dew Point23.0°C (73.4°F)20.16°C (68.29°F)14.0°C (57.2°F)
PrecipitationMaxAverageMinSum
Precipitation53.7mm | 2.11in3.78mm | 0.15in0.0mm | 0in117.1mm | 4.61in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind20.0kmh | 12.43mph13.32kmh | 8.28mph8.0kmh | 4.97mph
Gust Wind30.0kmh | 18.64mph20.16kmh | 12.53mph12.0kmh | 7.46mph
Sea Level PressureMaxAverageMin
Sea Level Pressure53.7mb3.78mb0.0mb
Bay St. Louis

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
May° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-05-0125 | 77.021 | 69.88417 | 10.5630.12 | 10200.2 | 0.01
2019-05-0225 | 77.020 | 68.08012 | 7.4630.06 | 10180.0 | 0.0
2019-05-0325 | 77.020 | 68.0829 | 5.5929.97 | 10150.0 | 0.0
2019-05-0424 | 75.220 | 68.08510 | 6.2129.85 | 10112.9 | 0.11
2019-05-0524 | 75.217 | 62.6759 | 5.5929.88 | 10120.0 | 0.0
2019-05-0625 | 77.017 | 62.67112 | 7.4630.0 | 10160.0 | 0.0
2019-05-0725 | 77.017 | 62.66910 | 6.2130.03 | 10170.0 | 0.0
2019-05-0826 | 78.820 | 68.07915 | 9.3229.94 | 10142.7 | 0.11
2019-05-0926 | 78.822 | 71.68419 | 11.8129.91 | 101317.7 | 0.7
2019-05-1025 | 77.022 | 71.68814 | 8.729.97 | 10156.0 | 0.24
2019-05-1125 | 77.022 | 71.68715 | 9.3229.91 | 101353.7 | 2.11
2019-05-1226 | 78.821 | 69.88216 | 9.9429.83 | 101013.4 | 0.53
2019-05-1325 | 77.017 | 62.6699 | 5.5929.91 | 10130.1 | 0.0
2019-05-1424 | 75.214 | 57.26012 | 7.4630.0 | 10160.0 | 0.0
2019-05-1525 | 77.016 | 60.86611 | 6.8430.03 | 10170.0 | 0.0
2019-05-1626 | 78.818 | 64.4679 | 5.5930.03 | 10170.0 | 0.0
2019-05-1726 | 78.819 | 66.27012 | 7.4629.97 | 10150.0 | 0.0
2019-05-1827 | 80.621 | 69.87620 | 12.4329.94 | 10140.5 | 0.02
2019-05-1926 | 78.821 | 69.88119 | 11.8129.97 | 101510.5 | 0.41
2019-05-2027 | 80.622 | 71.68012 | 7.4629.97 | 10153.9 | 0.15
2019-05-2128 | 82.421 | 69.87617 | 10.5629.88 | 10120.0 | 0.0
2019-05-2228 | 82.422 | 71.67918 | 11.1830.0 | 10160.1 | 0.0
2019-05-2328 | 82.422 | 71.67714 | 8.730.12 | 10200.0 | 0.0
2019-05-2428 | 82.421 | 69.87513 | 8.0830.09 | 10190.0 | 0.0
2019-05-2529 | 84.221 | 69.8729 | 5.5930.12 | 10200.0 | 0.0
2019-05-2629 | 84.221 | 69.8688 | 4.9730.09 | 10190.0 | 0.0
2019-05-2728 | 82.422 | 71.67414 | 8.730.03 | 10170.0 | 0.0
2019-05-2829 | 84.222 | 71.67316 | 9.9429.94 | 10140.0 | 0.0
2019-05-2929 | 84.221 | 69.87416 | 9.9429.91 | 10130.1 | 0.0
2019-05-3029 | 84.222 | 71.67314 | 8.729.91 | 10131.0 | 0.04
2019-05-3130 | 86.023 | 73.47312 | 7.4629.94 | 10144.3 | 0.17

Bay St. Louis 3 Year Historical Weather Data

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