St. Louis, Missouri, United States Climate

Weather: 13.14°C/55.65°F, Wind SW at 3.09 km/h, 51% Humidity, 0% Chance of rain

United States
(Photo by Hannah Cole on Unsplash)
Contents

St. Louis Climate Summary

Located at an elevation of None meters (0 feet) above sea level, St. Louis has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 14.71ºC (58.48ºF) and it is 2.07% higher than United States’s averages. St. Louis typically receives about 50.87 millimeters (2.0 inches) of precipitation and has 45.18 rainy days (12.38% of the time) annually.

CountryUnited States
CityMissouri
Longitude-90.1994042
Latitude38.6270025
Attitude/ElevationNonem (0ft)
Local timeTuesday 09:09
Annual high temperature17.98ºC (64.36ºF)
Annual low temperature9.88ºC (49.78ºF)
Average annual precip.50.87mm (2.0in)
Warmest monthJuly (30.44ºC / 86.79ºF)
Coldest MonthJanuary (-3.08ºC / 26.46ºF)
Wettest MonthJune (72.09mm / 2.84in)
Driest MonthNovember (33.28mm / 1.31in)
Number of days with rainfall (≥ 1.0 mm)45.18 days (12.38%)
Days with no rain319.82 days (87.62%)
Humidity72.44%

Climate St. Louis: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)18.0(64.4)26.0(78.8)24.0(75.2)28.0(82.4)34.0(93.2)36.0(96.8)36.0(96.8)36.0(96.8)33.0(91.4)34.0(93.2)23.0(73.4)18.0(64.4)36.0(96.8)
Average high °C (°F)3.72(38.7)6.39(43.5)11.28(52.3)16.58(61.84)24.78(76.6)29.44(84.99)30.44(86.79)29.15(84.47)27.51(81.52)18.58(65.44)10.53(50.95)7.4(45.32)17.98(64.36)
Daily mean °C (°F)1.03(33.85)3.2(37.76)8.03(46.45)12.81(55.06)21.57(70.83)26.02(78.84)27.29(81.12)25.78(78.4)23.68(74.62)15.11(59.2)7.4(45.32)4.6(40.28)14.71(58.48)
Average low °C (°F)-3.08(26.46)-1.13(29.97)3.39(38.1)7.32(45.18)16.13(61.03)20.36(68.65)22.04(71.67)20.61(69.1)18.32(64.98)10.35(50.63)3.18(37.72)1.05(33.89)9.88(49.78)
Record low °C (°F)-20.0(-4.0)-12.0(10.4)-14.0(6.8)-4.0(24.8)4.0(39.2)13.0(55.4)17.0(62.6)15.0(59.0)9.0(48.2)-1.0(30.2)-12.0(10.4)-9.0(15.8)-20.0(-4.0)
Average precipitation mm (inches)40.27(1.59)44.1(1.74)53.88(2.12)55.65(2.19)58.7(2.31)72.09(2.84)65.43(2.58)69.8(2.75)40.08(1.58)41.67(1.64)33.28(1.31)35.52(1.4)50.87(2.0)
Average precipitation days (≥ 1.0 mm)2.453.093.734.095.04.915.094.823.913.092.822.183.77
Average relative humidity (%)72.4571.4970.6568.973.7472.1876.9877.9773.5367.3370.973.1972.44
Mean monthly sunshine hours6.788.118.99.4812.5213.5713.4110.8310.749.397.026.769.79

Climate Graph

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

St. Louis

St. Louis Temperature by Month

July
27.29°C | 81.12°F
June
26.02°C | 78.84°F
August
25.78°C | 78.4°F
September
23.68°C | 74.62°F
May
21.57°C | 70.83°F
October
15.11°C | 59.2°F
April
12.81°C | 55.06°F
March
8.03°C | 46.45°F
November
7.4°C | 45.32°F
December
4.6°C | 40.28°F
February
3.2°C | 37.76°F
January
1.03°C | 33.85°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)29.32°C (84.78°F)24.0°C (75.2°F)
Avg Temperature29.0°C (84.2°F)25.94°C (78.69°F)21.0°C (69.8°F)
Min Temperature24.0°C (75.2°F)20.52°C (68.94°F)16.0°C (60.8°F)
Dew PointMaxAverageMin
Dew Point24.0°C (75.2°F)20.42°C (68.76°F)15.0°C (59.0°F)
PrecipitationMaxAverageMinSum
Precipitation49.4mm | 1.94in9.55mm | 0.38in0.0mm | 0in296.2mm | 11.66in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind15.0kmh | 9.32mph10.39kmh | 6.46mph5.0kmh | 3.11mph
Gust Wind22.0kmh | 13.67mph16.1kmh | 10.0mph8.0kmh | 4.97mph
Sea Level PressureMaxAverageMin
Sea Level Pressure49.4mb9.55mb0.0mb
St. Louis

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-08-0124 | 75.218 | 64.4779 | 5.5930.09 | 10190.0 | 0.0
2019-08-0226 | 78.819 | 66.2777 | 4.3530.06 | 10180.0 | 0.0
2019-08-0326 | 78.821 | 69.88310 | 6.2130.0 | 10165.3 | 0.21
2019-08-0427 | 80.621 | 69.8758 | 4.9730.0 | 10160.4 | 0.02
2019-08-0528 | 82.420 | 68.0705 | 3.1129.94 | 10140.0 | 0.0
2019-08-0627 | 80.622 | 71.68013 | 8.0829.83 | 101012.9 | 0.51
2019-08-0728 | 82.421 | 69.8756 | 3.7329.85 | 10110.0 | 0.0
2019-08-0828 | 82.422 | 71.6776 | 3.7329.88 | 10120.3 | 0.01
2019-08-0926 | 78.822 | 71.6829 | 5.5929.91 | 10133.4 | 0.13
2019-08-1026 | 78.819 | 66.2759 | 5.5929.94 | 10140.0 | 0.0
2019-08-1127 | 80.622 | 71.68212 | 7.4629.94 | 10147.1 | 0.28
2019-08-1229 | 84.224 | 75.28312 | 7.4629.83 | 101033.4 | 1.31
2019-08-1328 | 82.423 | 73.48113 | 8.0829.83 | 10109.8 | 0.39
2019-08-1427 | 80.620 | 68.07313 | 8.0829.94 | 10140.1 | 0.0
2019-08-1525 | 77.019 | 66.2779 | 5.5930.0 | 10160.0 | 0.0
2019-08-1625 | 77.019 | 66.27712 | 7.4629.91 | 10131.6 | 0.06
2019-08-1727 | 80.622 | 71.68012 | 7.4629.88 | 101216.2 | 0.64
2019-08-1827 | 80.623 | 73.48413 | 8.0829.85 | 10115.3 | 0.21
2019-08-1929 | 84.224 | 75.2826 | 3.7329.94 | 101413.6 | 0.54
2019-08-2028 | 82.423 | 73.4809 | 5.5929.97 | 101511.0 | 0.43
2019-08-2128 | 82.423 | 73.48110 | 6.2129.94 | 101419.0 | 0.75
2019-08-2224 | 75.221 | 69.8897 | 4.3529.97 | 101529.3 | 1.15
2019-08-2323 | 73.419 | 66.28513 | 8.0830.03 | 10172.2 | 0.09
2019-08-2421 | 69.816 | 60.88015 | 9.3230.12 | 10200.6 | 0.02
2019-08-2522 | 71.619 | 66.28812 | 7.4629.94 | 101410.2 | 0.4
2019-08-2626 | 78.822 | 71.68713 | 8.0829.77 | 100823.9 | 0.94
2019-08-2725 | 77.019 | 66.27712 | 7.4629.88 | 101217.5 | 0.69
2019-08-2824 | 75.215 | 59.06213 | 8.0830.03 | 10170.0 | 0.0
2019-08-2926 | 78.816 | 60.86410 | 6.2130.0 | 10160.7 | 0.03
2019-08-3024 | 75.220 | 68.08810 | 6.2130.03 | 101749.4 | 1.94
2019-08-3123 | 73.419 | 66.28714 | 8.730.09 | 101923.0 | 0.91

St. Louis 3 Year Historical Weather Data

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