Gretna, Louisiana, United States Climate

Weather: 22.45°C/72.41°F, Wind SW at 6.17 km/h, 76% Humidity, 0% Chance of rain

United States
(Photo by Joe Lavigne on Unsplash)
Contents

Gretna Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Gretna has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 23.14ºC (73.65ºF) and it is 10.5% higher than United States’s averages. Gretna typically receives about 29.75 millimeters (1.17 inches) of precipitation and has 43.55 rainy days (11.93% of the time) annually.

CountryUnited States
CityLouisiana
Longitude-90.0539603
Latitude29.9146493
Attitude/ElevationNonem (0ft)
Local timeSunday 09:13
Annual high temperature25.7ºC (78.26ºF)
Annual low temperature19.39ºC (66.9ºF)
Average annual precip.29.75mm (1.17in)
Warmest monthAugust (32.74ºC / 90.93ºF)
Coldest MonthJanuary (9.58ºC / 49.24ºF)
Wettest MonthJuly (64.92mm / 2.56in)
Driest MonthMarch (11.45mm / 0.45in)
Number of days with rainfall (≥ 1.0 mm)43.55 days (11.93%)
Days with no rain321.45 days (88.07%)
Humidity69.71%

Climate Gretna: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)26.0(78.8)26.0(78.8)32.0(89.6)32.0(89.6)35.0(95.0)36.0(96.8)36.0(96.8)35.0(95.0)36.0(96.8)34.0(93.2)28.0(82.4)26.0(78.8)36.0(96.8)
Average high °C (°F)15.78(60.4)20.26(68.47)22.57(72.63)24.88(76.78)30.02(86.04)32.61(90.7)32.57(90.63)32.74(90.93)31.49(88.68)27.19(80.94)20.67(69.21)17.67(63.81)25.7(78.26)
Daily mean °C (°F)13.23(55.81)17.88(64.18)19.86(67.75)21.99(71.58)27.31(81.16)30.12(86.22)30.08(86.14)30.3(86.54)29.04(84.27)24.58(76.24)18.02(64.44)15.26(59.47)23.14(73.65)
Average low °C (°F)9.58(49.24)14.51(58.12)16.12(61.02)17.52(63.54)22.95(73.31)25.92(78.66)26.43(79.57)26.87(80.37)25.41(77.74)21.09(69.96)14.33(57.79)11.94(53.49)19.39(66.9)
Record low °C (°F)-5.0(23.0)5.0(41.0)3.0(37.4)10.0(50.0)14.0(57.2)22.0(71.6)20.0(68.0)23.0(73.4)16.0(60.8)9.0(48.2)0.0(0)4.0(39.2)-5.0(23.0)
Average precipitation mm (inches)13.11(0.52)16.75(0.66)11.45(0.45)14.67(0.58)21.67(0.85)36.37(1.43)64.92(2.56)62.09(2.44)46.15(1.82)34.0(1.34)15.57(0.61)20.26(0.8)29.75(1.17)
Average precipitation days (≥ 1.0 mm)1.913.182.092.183.04.736.556.645.273.272.092.643.63
Average relative humidity (%)69.3776.2468.4266.166.866.1769.8368.4970.0671.669.8673.669.71
Mean monthly sunshine hours9.028.859.9910.5711.2712.8510.6710.7710.4110.099.428.6210.21

Climate Graph

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

Gretna

Gretna Temperature by Month

August
30.3°C | 86.54°F
June
30.12°C | 86.22°F
July
30.08°C | 86.14°F
September
29.04°C | 84.27°F
May
27.31°C | 81.16°F
October
24.58°C | 76.24°F
April
21.99°C | 71.58°F
March
19.86°C | 67.75°F
November
18.02°C | 64.44°F
February
17.88°C | 64.18°F
December
15.26°C | 59.47°F
January
13.23°C | 55.81°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature36.0°C (96.8°F)32.9°C (91.22°F)29.0°C (84.2°F)
Avg Temperature33.0°C (91.4°F)30.68°C (87.22°F)27.0°C (80.6°F)
Min Temperature28.0°C (82.4°F)27.32°C (81.18°F)26.0°C (78.8°F)
Dew PointMaxAverageMin
Dew Point25.0°C (77.0°F)23.03°C (73.45°F)21.0°C (69.8°F)
PrecipitationMaxAverageMinSum
Precipitation28.4mm | 1.12in11.74mm | 0.46in0.0mm | 0in363.8mm | 14.32in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind24.0kmh | 14.91mph11.0kmh | 6.84mph4.0kmh | 2.49mph
Gust Wind31.0kmh | 19.26mph14.45kmh | 8.98mph5.0kmh | 3.11mph
Sea Level PressureMaxAverageMin
Sea Level Pressure28.4mb11.74mb0.0mb
Gretna

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
July° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-07-0131 | 87.824 | 75.27012 | 7.4629.97 | 101513.7 | 0.54
2018-07-0230 | 86.023 | 73.47110 | 6.2129.97 | 101514.2 | 0.56
2018-07-0327 | 80.623 | 73.47711 | 6.8429.97 | 101516.6 | 0.65
2018-07-0431 | 87.822 | 71.66611 | 6.8430.06 | 10184.4 | 0.17
2018-07-0529 | 84.222 | 71.67013 | 8.0830.09 | 101915.8 | 0.62
2018-07-0629 | 84.222 | 71.67112 | 7.4630.09 | 101923.1 | 0.91
2018-07-0730 | 86.023 | 73.4694 | 2.4930.03 | 101710.4 | 0.41
2018-07-0829 | 84.222 | 71.66911 | 6.8430.09 | 101915.1 | 0.59
2018-07-0930 | 86.023 | 73.4688 | 4.9730.15 | 102117.8 | 0.7
2018-07-1031 | 87.823 | 73.4688 | 4.9730.09 | 101915.7 | 0.62
2018-07-1131 | 87.823 | 73.46712 | 7.4630.0 | 101611.6 | 0.46
2018-07-1231 | 87.823 | 73.4677 | 4.3530.03 | 101710.3 | 0.41
2018-07-1332 | 89.623 | 73.4668 | 4.9730.06 | 10187.4 | 0.29
2018-07-1432 | 89.623 | 73.46612 | 7.4630.06 | 10188.7 | 0.34
2018-07-1531 | 87.823 | 73.46611 | 6.8430.03 | 101722.4 | 0.88
2018-07-1630 | 86.024 | 75.27112 | 7.4630.03 | 101711.9 | 0.47
2018-07-1729 | 84.224 | 75.27613 | 8.0830.03 | 101716.6 | 0.65
2018-07-1830 | 86.023 | 73.47114 | 8.729.97 | 101526.2 | 1.03
2018-07-1931 | 87.824 | 75.27110 | 6.2129.94 | 101414.5 | 0.57
2018-07-2032 | 89.625 | 77.07213 | 8.0829.94 | 10142.5 | 0.1
2018-07-2132 | 89.624 | 75.26917 | 10.5629.94 | 10140.0 | 0.0
2018-07-2233 | 91.424 | 75.26724 | 14.9129.88 | 10120.0 | 0.0
2018-07-2331 | 87.825 | 77.07212 | 7.4629.85 | 101128.4 | 1.12
2018-07-2430 | 86.022 | 71.66415 | 9.3229.88 | 10120.3 | 0.01
2018-07-2530 | 86.021 | 69.86012 | 7.4629.94 | 10140.3 | 0.01
2018-07-2632 | 89.621 | 69.8578 | 4.9729.94 | 10141.3 | 0.05
2018-07-2732 | 89.623 | 73.46310 | 6.2130.0 | 10164.6 | 0.18
2018-07-2833 | 91.423 | 73.4615 | 3.1130.03 | 101713.1 | 0.52
2018-07-2931 | 87.823 | 73.4646 | 3.7330.0 | 101615.0 | 0.59
2018-07-3031 | 87.823 | 73.4667 | 4.3529.97 | 101511.1 | 0.44
2018-07-3130 | 86.023 | 73.47013 | 8.0829.97 | 101510.8 | 0.43

Gretna 3 Year Historical Weather Data

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