Old Jefferson, Louisiana, United States Climate

Weather: 21.74°C/71.13°F, Wind SW at 0.45 km/h, 82% Humidity, 0% Chance of rain

United States
(Photo by Luke Ellis-Craven on Unsplash)
Contents

Old Jefferson Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Old Jefferson has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 22.07ºC (71.73ºF) and it is 9.43% higher than United States’s averages. Old Jefferson typically receives about 56.62 millimeters (2.23 inches) of precipitation and has 49.83 rainy days (13.65% of the time) annually.

CountryUnited States
CityLouisiana
Longitude-91.0170468
Latitude30.3826922
Attitude/ElevationNonem (0ft)
Local timeFriday 05:33
Annual high temperature25.54ºC (77.97ºF)
Annual low temperature16.88ºC (62.38ºF)
Average annual precip.56.62mm (2.23in)
Warmest monthAugust (32.63ºC / 90.73ºF)
Coldest MonthJanuary (7.16ºC / 44.89ºF)
Wettest MonthJuly (115.67mm / 4.55in)
Driest MonthMarch (27.42mm / 1.08in)
Number of days with rainfall (≥ 1.0 mm)49.83 days (13.65%)
Days with no rain315.17 days (86.35%)
Humidity75.81%

Climate Old Jefferson: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)25.0(77.0)28.0(82.4)30.0(86.0)31.0(87.8)35.0(95.0)36.0(96.8)37.0(98.6)35.0(95.0)36.0(96.8)34.0(93.2)29.0(84.2)27.0(80.6)37.0(98.6)
Average high °C (°F)15.56(60.01)20.27(68.49)22.86(73.15)25.13(77.23)30.49(86.88)32.08(89.74)32.47(90.45)32.63(90.73)31.06(87.91)26.8(80.24)20.28(68.5)16.86(62.35)25.54(77.97)
Daily mean °C (°F)11.83(53.29)16.94(62.49)19.13(66.43)21.14(70.05)26.83(80.29)28.88(83.98)29.35(84.83)29.34(84.81)27.78(82.0)23.2(73.76)16.61(61.9)13.87(56.97)22.07(71.73)
Average low °C (°F)7.16(44.89)12.49(54.48)13.86(56.95)14.73(58.51)20.33(68.59)23.2(73.76)24.2(75.56)24.37(75.87)22.88(73.18)18.24(64.83)11.47(52.65)9.65(49.37)16.88(62.38)
Record low °C (°F)-9.0(15.8)3.0(37.4)-2.0(28.4)5.0(41.0)12.0(53.6)18.0(64.4)20.0(68.0)18.0(64.4)14.0(57.2)7.0(44.6)-2.0(28.4)2.0(35.6)-9.0(15.8)
Average precipitation mm (inches)39.49(1.55)40.9(1.61)27.42(1.08)42.24(1.66)46.42(1.83)66.08(2.6)115.67(4.55)98.61(3.88)73.11(2.88)53.25(2.1)37.15(1.46)39.16(1.54)56.62(2.23)
Average precipitation days (≥ 1.0 mm)2.643.912.912.733.825.186.557.095.273.822.553.364.15
Average relative humidity (%)73.0879.8874.1772.7373.2574.3977.5277.0878.0776.9674.2478.475.81
Mean monthly sunshine hours8.448.579.7410.4110.8210.5510.5110.8610.410.239.328.429.86

Climate Graph

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

Old Jefferson

Old Jefferson Temperature by Month

July
29.35°C | 84.83°F
August
29.34°C | 84.81°F
June
28.88°C | 83.98°F
September
27.78°C | 82.0°F
May
26.83°C | 80.29°F
October
23.2°C | 73.76°F
April
21.14°C | 70.05°F
March
19.13°C | 66.43°F
February
16.94°C | 62.49°F
November
16.61°C | 61.9°F
December
13.87°C | 56.97°F
January
11.83°C | 53.29°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature35.0°C (95.0°F)32.55°C (90.59°F)27.0°C (80.6°F)
Avg Temperature31.0°C (87.8°F)29.13°C (84.43°F)25.0°C (77.0°F)
Min Temperature26.0°C (78.8°F)24.1°C (75.38°F)18.0°C (64.4°F)
Dew PointMaxAverageMin
Dew Point25.0°C (77.0°F)22.35°C (72.23°F)19.0°C (66.2°F)
PrecipitationMaxAverageMinSum
Precipitation62.9mm | 2.48in6.9mm | 0.27in0.0mm | 0in213.9mm | 8.42in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind24.0kmh | 14.91mph9.0kmh | 5.59mph3.0kmh | 1.86mph
Gust Wind43.0kmh | 26.72mph14.45kmh | 8.98mph5.0kmh | 3.11mph
Sea Level PressureMaxAverageMin
Sea Level Pressure62.9mb6.9mb0.0mb
Old Jefferson

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-08-0129 | 84.223 | 73.4789 | 5.5929.91 | 101311.5 | 0.45
2020-08-0228 | 82.423 | 73.4795 | 3.1129.91 | 101315.4 | 0.61
2020-08-0330 | 86.022 | 71.6708 | 4.9729.94 | 10140.5 | 0.02
2020-08-0429 | 84.220 | 68.0658 | 4.9729.94 | 10140.0 | 0.0
2020-08-0528 | 82.419 | 66.2649 | 5.5929.97 | 10150.0 | 0.0
2020-08-0630 | 86.020 | 68.0617 | 4.3529.97 | 10150.0 | 0.0
2020-08-0731 | 87.821 | 69.8635 | 3.1130.03 | 10170.0 | 0.0
2020-08-0831 | 87.823 | 73.4725 | 3.1130.09 | 10191.2 | 0.05
2020-08-0931 | 87.823 | 73.4725 | 3.1130.09 | 10191.9 | 0.07
2020-08-1030 | 86.024 | 75.2756 | 3.7330.06 | 101810.5 | 0.41
2020-08-1130 | 86.023 | 73.4757 | 4.3530.0 | 101618.4 | 0.72
2020-08-1230 | 86.024 | 75.2766 | 3.7329.97 | 10159.7 | 0.38
2020-08-1330 | 86.024 | 75.2769 | 5.5929.94 | 10142.6 | 0.1
2020-08-1429 | 84.224 | 75.2809 | 5.5929.91 | 10132.5 | 0.1
2020-08-1530 | 86.024 | 75.2778 | 4.9729.91 | 10136.3 | 0.25
2020-08-1630 | 86.023 | 73.4718 | 4.9729.94 | 10141.2 | 0.05
2020-08-1729 | 84.222 | 71.67310 | 6.2129.94 | 10142.7 | 0.11
2020-08-1829 | 84.219 | 66.2609 | 5.5929.91 | 10130.0 | 0.0
2020-08-1929 | 84.220 | 68.0633 | 1.8629.83 | 10102.6 | 0.1
2020-08-2028 | 82.420 | 68.0695 | 3.1129.83 | 10100.0 | 0.0
2020-08-2128 | 82.420 | 68.0676 | 3.7329.83 | 10100.0 | 0.0
2020-08-2229 | 84.220 | 68.0645 | 3.1129.88 | 10120.1 | 0.0
2020-08-2329 | 84.221 | 69.8719 | 5.5929.94 | 10144.6 | 0.18
2020-08-2425 | 77.022 | 71.68116 | 9.9429.85 | 10111.0 | 0.04
2020-08-2529 | 84.223 | 73.47817 | 10.5629.88 | 10124.1 | 0.16
2020-08-2629 | 84.224 | 75.28019 | 11.8129.83 | 10106.5 | 0.26
2020-08-2727 | 80.624 | 75.28624 | 14.9129.8 | 100929.8 | 1.17
2020-08-2827 | 80.625 | 77.08813 | 8.0829.91 | 101362.9 | 2.48
2020-08-2930 | 86.024 | 75.2807 | 4.3529.88 | 10123.6 | 0.14
2020-08-3029 | 84.224 | 75.28311 | 6.8429.83 | 101010.7 | 0.42
2020-08-3130 | 86.025 | 77.08011 | 6.8429.85 | 10113.6 | 0.14

Old Jefferson 3 Year Historical Weather Data

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