Ballwin, Missouri, United States Climate

Weather: 14.73°C/58.51°F, Wind SW at 4.63 km/h, 37% Humidity, 0% Chance of rain

United States
(Photo by Laura Gilchrist on Unsplash)
Contents

Ballwin Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Ballwin has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 15.0ºC (59.0ºF) and it is 2.36% higher than United States’s averages. Ballwin typically receives about 38.49 millimeters (1.52 inches) of precipitation and has 42.55 rainy days (11.66% of the time) annually.

CountryUnited States
CityMissouri
Longitude-90.5462339
Latitude38.5950532
Attitude/ElevationNonem (0ft)
Local timeFriday 20:31
Annual high temperature18.45ºC (65.21ºF)
Annual low temperature9.88ºC (49.78ºF)
Average annual precip.38.49mm (1.52in)
Warmest monthJuly (31.51ºC / 88.72ºF)
Coldest MonthJanuary (-2.98ºC / 26.64ºF)
Wettest MonthAugust (58.97mm / 2.32in)
Driest MonthNovember (21.68mm / 0.85in)
Number of days with rainfall (≥ 1.0 mm)42.55 days (11.66%)
Days with no rain322.45 days (88.34%)
Humidity71.53%

Climate Ballwin: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)19.0(66.2)25.0(77.0)24.0(75.2)29.0(84.2)34.0(93.2)36.0(96.8)38.0(100.4)37.0(98.6)34.0(93.2)33.0(91.4)23.0(73.4)19.0(66.2)38.0(100.4)
Average high °C (°F)3.87(38.97)6.35(43.43)11.46(52.63)17.02(62.64)25.08(77.14)29.96(85.93)31.51(88.72)30.23(86.41)28.4(83.12)18.6(65.48)10.92(51.66)7.97(46.35)18.45(65.21)
Daily mean °C (°F)1.08(33.94)3.14(37.65)8.18(46.72)13.1(55.58)21.71(71.08)26.44(79.59)28.1(82.58)26.49(79.68)24.13(75.43)15.08(59.14)7.64(45.75)4.9(40.82)15.0(59.0)
Average low °C (°F)-2.98(26.64)-1.34(29.59)3.62(38.52)7.34(45.21)15.89(60.6)20.24(68.43)22.37(72.27)20.8(69.44)18.39(65.1)10.06(50.11)3.28(37.9)0.92(33.66)9.88(49.78)
Record low °C (°F)-20.0(-4.0)-13.0(8.6)-15.0(5.0)-5.0(23.0)2.0(35.6)11.0(51.8)18.0(64.4)15.0(59.0)7.0(44.6)-3.0(26.6)-12.0(10.4)-10.0(14.0)-20.0(-4.0)
Average precipitation mm (inches)36.82(1.45)32.16(1.27)40.19(1.58)38.11(1.5)49.8(1.96)51.68(2.03)44.24(1.74)58.97(2.32)34.08(1.34)32.03(1.26)21.68(0.85)22.09(0.87)38.49(1.52)
Average precipitation days (≥ 1.0 mm)2.183.03.553.735.184.734.554.454.092.912.451.733.55
Average relative humidity (%)72.9871.4870.1468.0773.871.7873.8874.0571.4367.4470.7872.5871.53
Mean monthly sunshine hours6.928.119.059.6412.4613.7813.3910.7510.679.437.076.899.85

Climate Graph

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

Ballwin

Ballwin Temperature by Month

July
28.1°C | 82.58°F
August
26.49°C | 79.68°F
June
26.44°C | 79.59°F
September
24.13°C | 75.43°F
May
21.71°C | 71.08°F
October
15.08°C | 59.14°F
April
13.1°C | 55.58°F
March
8.18°C | 46.72°F
November
7.64°C | 45.75°F
December
4.9°C | 40.82°F
February
3.14°C | 37.65°F
January
1.08°C | 33.94°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)29.53°C (85.15°F)19.0°C (66.2°F)
Avg Temperature31.0°C (87.8°F)25.77°C (78.39°F)18.0°C (64.4°F)
Min Temperature25.0°C (77.0°F)19.7°C (67.46°F)11.0°C (51.8°F)
Dew PointMaxAverageMin
Dew Point22.0°C (71.6°F)18.23°C (64.81°F)12.0°C (53.6°F)
PrecipitationMaxAverageMinSum
Precipitation73.6mm | 2.9in5.56mm | 0.22in0.0mm | 0in166.7mm | 6.56in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind25.0kmh | 15.53mph11.73kmh | 7.29mph5.0kmh | 3.11mph
Gust Wind36.0kmh | 22.37mph17.17kmh | 10.67mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure73.6mb5.56mb0.0mb
Ballwin

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
June° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-06-0123 | 73.415 | 59.06913 | 8.0830.15 | 10210.0 | 0.0
2020-06-0225 | 77.017 | 62.66514 | 8.730.0 | 10160.0 | 0.0
2020-06-0327 | 80.621 | 69.87511 | 6.8429.88 | 10122.1 | 0.08
2020-06-0429 | 84.222 | 71.6747 | 4.3529.77 | 10082.6 | 0.1
2020-06-0531 | 87.822 | 71.6738 | 4.9729.8 | 10099.3 | 0.37
2020-06-0627 | 80.621 | 69.87612 | 7.4629.94 | 10149.3 | 0.37
2020-06-0727 | 80.620 | 68.07013 | 8.0829.94 | 10140.1 | 0.0
2020-06-0826 | 78.818 | 64.46614 | 8.729.88 | 10120.0 | 0.0
2020-06-0925 | 77.021 | 69.88225 | 15.5329.5 | 99973.6 | 2.9
2020-06-1018 | 64.413 | 55.46622 | 13.6729.68 | 10050.1 | 0.0
2020-06-1123 | 73.415 | 59.07110 | 6.2130.15 | 10210.0 | 0.0
2020-06-1225 | 77.017 | 62.6708 | 4.9730.24 | 10240.4 | 0.02
2020-06-1324 | 75.216 | 60.86711 | 6.8430.21 | 10230.0 | 0.0
2020-06-1423 | 73.416 | 60.87314 | 8.730.18 | 10220.7 | 0.03
2020-06-1522 | 71.612 | 53.65911 | 6.8430.21 | 10230.7 | 0.03
2020-06-1624 | 75.214 | 57.2618 | 4.9730.21 | 10230.0 | 0.0
2020-06-1725 | 77.016 | 60.86510 | 6.2130.12 | 10200.0 | 0.0
2020-06-1827 | 80.616 | 60.8626 | 3.7330.0 | 10160.0 | 0.0
2020-06-1927 | 80.619 | 66.2709 | 5.5929.97 | 10153.4 | 0.13
2020-06-2027 | 80.619 | 66.26915 | 9.3229.91 | 10132.6 | 0.1
2020-06-2128 | 82.421 | 69.8779 | 5.5929.85 | 101110.7 | 0.42
2020-06-2226 | 78.820 | 68.07514 | 8.729.8 | 10092.8 | 0.11
2020-06-2322 | 71.616 | 60.87415 | 9.3229.83 | 10100.2 | 0.01
2020-06-2423 | 73.416 | 60.8749 | 5.5929.88 | 10120.2 | 0.01
2020-06-2527 | 80.618 | 64.4675 | 3.1129.94 | 10140.3 | 0.01
2020-06-2629 | 84.220 | 68.06813 | 8.0829.94 | 10140.0 | 0.0
2020-06-2727 | 80.621 | 69.87616 | 9.9429.83 | 10103.5 | 0.14
2020-06-2829 | 84.222 | 71.67411 | 6.8429.8 | 100917.2 | 0.68
2020-06-2930 | 86.021 | 69.86713 | 8.0829.83 | 10102.3 | 0.09
2020-06-3027 | 80.622 | 71.6846 | 3.7329.77 | 100824.6 | 0.97

Ballwin 3 Year Historical Weather Data

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