Slidell, Louisiana, United States Climate

Weather: 19.04°C/66.27°F, Wind SW at 1.79 km/h, 86% Humidity, 0% Chance of rain

United States
(Photo by Jp Valery on Unsplash)
Contents

Slidell Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Slidell has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 21.99ºC (71.58ºF) and it is 9.35% higher than United States’s averages. Slidell typically receives about 50.29 millimeters (1.98 inches) of precipitation and has 49.09 rainy days (13.45% of the time) annually.

CountryUnited States
CityLouisiana
Longitude-89.7811745
Latitude30.2751945
Attitude/ElevationNonem (0ft)
Local timeThursday 07:29
Annual high temperature25.21ºC (77.38ºF)
Annual low temperature17.18ºC (62.92ºF)
Average annual precip.50.29mm (1.98in)
Warmest monthAugust (32.55ºC / 90.59ºF)
Coldest MonthJanuary (7.15ºC / 44.87ºF)
Wettest MonthAugust (91.84mm / 3.62in)
Driest MonthApril (24.51mm / 0.96in)
Number of days with rainfall (≥ 1.0 mm)49.09 days (13.45%)
Days with no rain315.90999999999997 days (86.55%)
Humidity74.62%

Climate Slidell: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)24.0(75.2)27.0(80.6)29.0(84.2)30.0(86.0)35.0(95.0)36.0(96.8)37.0(98.6)36.0(96.8)36.0(96.8)34.0(93.2)28.0(82.4)26.0(78.8)37.0(98.6)
Average high °C (°F)15.06(59.11)19.74(67.53)22.05(71.69)24.67(76.41)29.55(85.19)32.2(89.96)32.25(90.05)32.55(90.59)31.18(88.12)26.63(79.93)19.94(67.89)16.75(62.15)25.21(77.38)
Daily mean °C (°F)11.8(53.24)16.86(62.35)18.7(65.66)21.09(69.96)26.4(79.52)29.03(84.25)29.28(84.7)29.32(84.78)27.92(82.26)23.25(73.85)16.47(61.65)13.76(56.77)21.99(71.58)
Average low °C (°F)7.15(44.87)12.87(55.17)13.99(57.18)15.36(59.65)20.82(69.48)23.77(74.79)24.63(76.33)24.75(76.55)23.19(73.74)18.55(65.39)11.47(52.65)9.56(49.21)17.18(62.92)
Record low °C (°F)-8.0(17.6)2.0(35.6)-1.0(30.2)7.0(44.6)11.0(51.8)18.0(64.4)18.0(64.4)22.0(71.6)14.0(57.2)7.0(44.6)-2.0(28.4)1.0(33.8)-8.0(17.6)
Average precipitation mm (inches)27.43(1.08)32.89(1.29)25.36(1.0)24.51(0.96)51.23(2.02)64.41(2.54)90.47(3.56)91.84(3.62)74.22(2.92)54.38(2.14)24.79(0.98)41.92(1.65)50.29(1.98)
Average precipitation days (≥ 1.0 mm)2.363.822.912.553.735.366.736.915.04.092.453.184.09
Average relative humidity (%)72.9779.8672.9670.5372.0271.8675.6274.4275.7276.5974.5278.3574.62
Mean monthly sunshine hours8.698.799.9210.511.613.410.610.8110.6410.288.917.8710.17

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Slidell in recent years.

Slidell

Slidell Temperature by Month

August
29.32°C | 84.78°F
July
29.28°C | 84.7°F
June
29.03°C | 84.25°F
September
27.92°C | 82.26°F
May
26.4°C | 79.52°F
October
23.25°C | 73.85°F
April
21.09°C | 69.96°F
March
18.7°C | 65.66°F
February
16.86°C | 62.35°F
November
16.47°C | 61.65°F
December
13.76°C | 56.77°F
January
11.8°C | 53.24°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature33.0°C (91.4°F)30.3°C (86.54°F)26.0°C (78.8°F)
Avg Temperature30.0°C (86.0°F)27.4°C (81.32°F)24.0°C (75.2°F)
Min Temperature26.0°C (78.8°F)22.53°C (72.55°F)18.0°C (64.4°F)
Dew PointMaxAverageMin
Dew Point25.0°C (77.0°F)20.53°C (68.95°F)15.0°C (59.0°F)
PrecipitationMaxAverageMinSum
Precipitation100.2mm | 3.94in8.6mm | 0.34in0.0mm | 0in258.0mm | 10.16in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind32.0kmh | 19.88mph11.57kmh | 7.19mph6.0kmh | 3.73mph
Gust Wind56.0kmh | 34.8mph18.8kmh | 11.68mph10.0kmh | 6.21mph
Sea Level PressureMaxAverageMin
Sea Level Pressure100.2mb8.6mb0.0mb
Slidell

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
June° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-06-0126 | 78.817 | 62.66410 | 6.2130.09 | 10190.0 | 0.0
2020-06-0227 | 80.621 | 69.87911 | 6.8430.06 | 10183.9 | 0.15
2020-06-0326 | 78.820 | 68.07610 | 6.2129.97 | 10154.1 | 0.16
2020-06-0427 | 80.620 | 68.0749 | 5.5929.91 | 10130.2 | 0.01
2020-06-0528 | 82.422 | 71.6768 | 4.9729.94 | 10140.0 | 0.0
2020-06-0627 | 80.622 | 71.67814 | 8.729.85 | 10111.1 | 0.04
2020-06-0724 | 75.223 | 73.49232 | 19.8829.56 | 100173.0 | 2.87
2020-06-0827 | 80.625 | 77.08731 | 19.2629.62 | 1003100.2 | 3.94
2020-06-0930 | 86.023 | 73.47418 | 11.1829.85 | 10110.2 | 0.01
2020-06-1029 | 84.221 | 69.87011 | 6.8429.97 | 10151.6 | 0.06
2020-06-1127 | 80.619 | 66.27010 | 6.2130.09 | 10190.1 | 0.0
2020-06-1225 | 77.015 | 59.05916 | 9.9430.12 | 10200.0 | 0.0
2020-06-1327 | 80.618 | 64.46413 | 8.0830.0 | 10160.1 | 0.0
2020-06-1428 | 82.419 | 66.26610 | 6.2130.03 | 10170.1 | 0.0
2020-06-1528 | 82.417 | 62.6598 | 4.9730.09 | 10190.0 | 0.0
2020-06-1627 | 80.615 | 59.0579 | 5.5930.06 | 10180.0 | 0.0
2020-06-1727 | 80.617 | 62.6657 | 4.3530.03 | 10170.0 | 0.0
2020-06-1828 | 82.418 | 64.4626 | 3.7330.0 | 10160.5 | 0.02
2020-06-1927 | 80.618 | 64.4648 | 4.9730.03 | 10170.0 | 0.0
2020-06-2028 | 82.419 | 66.2647 | 4.3530.03 | 10170.0 | 0.0
2020-06-2129 | 84.220 | 68.0668 | 4.9730.0 | 10160.0 | 0.0
2020-06-2228 | 82.422 | 71.67610 | 6.2130.0 | 101612.3 | 0.48
2020-06-2328 | 82.423 | 73.47714 | 8.729.94 | 10149.9 | 0.39
2020-06-2427 | 80.622 | 71.67910 | 6.2129.94 | 101413.2 | 0.52
2020-06-2527 | 80.623 | 73.4849 | 5.5930.0 | 101618.5 | 0.73
2020-06-2627 | 80.623 | 73.4819 | 5.5930.15 | 10216.3 | 0.25
2020-06-2725 | 77.023 | 73.48610 | 6.2130.09 | 10198.0 | 0.31
2020-06-2829 | 84.224 | 75.27910 | 6.2130.0 | 10163.6 | 0.14
2020-06-2930 | 86.023 | 73.4769 | 5.5929.97 | 10150.3 | 0.01
2020-06-3029 | 84.224 | 75.27810 | 6.2129.97 | 10150.8 | 0.03

Slidell 3 Year Historical Weather Data

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