St. Peters, Missouri, United States Climate

Weather: 10.64°C/51.15°F, Wind SW at 0.45 km/h, 56% Humidity, 0% Chance of rain

United States
(Photo by Danny Lines on Unsplash)

St. Peters Climate Summary

Located at an elevation of None meters (0 feet) above sea level, St. Peters has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 14.47ºC (58.05ºF) and it is 1.83% higher than United States’s averages. St. Peters typically receives about 33.84 millimeters (1.33 inches) of precipitation and has 42.38 rainy days (11.61% of the time) annually.

CountryUnited States
CityMissouri
Longitude-90.6298922
Latitude38.7874699
Attitude/ElevationNonem (0ft)
Local timeSaturday 19:16
Annual high temperature17.84ºC (64.11ºF)
Annual low temperature9.42ºC (48.96ºF)
Average annual precip.33.84mm (1.33in)
Warmest monthJuly (30.61ºC / 87.1ºF)
Coldest MonthJanuary (-3.35ºC / 25.97ºF)
Wettest MonthAugust (54.67mm / 2.15in)
Driest MonthNovember (19.02mm / 0.75in)
Number of days with rainfall (≥ 1.0 mm)42.38 days (11.61%)
Days with no rain322.62 days (88.39%)
Humidity72.41%

Climate St. Peters: 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)35.0(95.0)36.0(96.8)36.0(96.8)34.0(93.2)32.0(89.6)23.0(73.4)19.0(66.2)36.0(96.8)
Average high °C (°F)3.39(38.1)5.79(42.42)11.03(51.85)16.49(61.68)24.6(76.28)29.32(84.78)30.61(87.1)29.4(84.92)27.67(81.81)18.03(64.45)10.39(50.7)7.34(45.21)17.84(64.11)
Daily mean °C (°F)0.67(33.21)2.54(36.57)7.86(46.15)12.64(54.75)21.29(70.32)25.78(78.4)27.29(81.12)25.75(78.35)23.62(74.52)14.62(58.32)7.12(44.82)4.4(39.92)14.47(58.05)
Average low °C (°F)-3.35(25.97)-1.85(28.67)3.19(37.74)6.83(44.29)15.61(60.1)19.8(67.64)21.72(71.1)20.26(68.47)18.02(64.44)9.55(49.19)2.8(37.04)0.47(32.85)9.42(48.96)
Record low °C (°F)-21.0(-5.8)-14.0(6.8)-15.0(5.0)-6.0(21.2)3.0(37.4)11.0(51.8)17.0(62.6)14.0(57.2)7.0(44.6)-2.0(28.4)-13.0(8.6)-10.0(14.0)-21.0(-5.8)
Average precipitation mm (inches)29.17(1.15)30.73(1.21)31.0(1.22)32.31(1.27)41.67(1.64)47.3(1.86)43.59(1.72)54.67(2.15)27.54(1.08)27.57(1.09)19.02(0.75)21.5(0.85)33.84(1.33)
Average precipitation days (≥ 1.0 mm)2.093.093.363.644.824.914.554.643.912.912.551.913.53
Average relative humidity (%)73.5671.6970.5768.8974.8873.4875.9275.8372.667.7471.0272.7772.41
Mean monthly sunshine hours6.998.078.999.4612.4313.7113.3510.9210.739.457.056.789.83

Climate Graph

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

St. Peters

St. Peters Temperature by Month

July
27.29°C | 81.12°F
June
25.78°C | 78.4°F
August
25.75°C | 78.35°F
September
23.62°C | 74.52°F
May
21.29°C | 70.32°F
October
14.62°C | 58.32°F
April
12.64°C | 54.75°F
March
7.86°C | 46.15°F
November
7.12°C | 44.82°F
December
4.4°C | 39.92°F
February
2.54°C | 36.57°F
January
0.67°C | 33.21°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)29.03°C (84.25°F)19.0°C (66.2°F)
Avg Temperature30.0°C (86.0°F)25.13°C (77.23°F)18.0°C (64.4°F)
Min Temperature25.0°C (77.0°F)19.47°C (67.05°F)13.0°C (55.4°F)
Dew PointMaxAverageMin
Dew Point22.0°C (71.6°F)18.07°C (64.53°F)12.0°C (53.6°F)
PrecipitationMaxAverageMinSum
Precipitation43.5mm | 1.71in4.31mm | 0.17in0.0mm | 0in129.2mm | 5.09in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind26.0kmh | 16.16mph12.43kmh | 7.72mph6.0kmh | 3.73mph
Gust Wind37.0kmh | 22.99mph18.87kmh | 11.73mph9.0kmh | 5.59mph
Sea Level PressureMaxAverageMin
Sea Level Pressure43.5mb4.31mb0.0mb
St. Peters

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
June° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-06-0123 | 73.415 | 59.06814 | 8.730.15 | 10210.0 | 0.0
2020-06-0225 | 77.017 | 62.66715 | 9.3230.0 | 10160.0 | 0.0
2020-06-0326 | 78.820 | 68.07712 | 7.4629.88 | 10122.7 | 0.11
2020-06-0428 | 82.422 | 71.6768 | 4.9729.77 | 10083.8 | 0.15
2020-06-0530 | 86.022 | 71.6738 | 4.9729.8 | 100910.6 | 0.42
2020-06-0626 | 78.821 | 69.87814 | 8.729.97 | 10156.6 | 0.26
2020-06-0726 | 78.819 | 66.26914 | 8.729.94 | 10140.1 | 0.0
2020-06-0826 | 78.818 | 64.46514 | 8.729.88 | 10120.0 | 0.0
2020-06-0925 | 77.021 | 69.88326 | 16.1629.5 | 99943.5 | 1.71
2020-06-1018 | 64.413 | 55.46723 | 14.2929.68 | 10050.1 | 0.0
2020-06-1122 | 71.614 | 57.27311 | 6.8430.15 | 10210.1 | 0.0
2020-06-1225 | 77.017 | 62.6728 | 4.9730.24 | 10240.2 | 0.01
2020-06-1322 | 71.615 | 59.06912 | 7.4630.21 | 10230.0 | 0.0
2020-06-1422 | 71.616 | 60.87315 | 9.3230.18 | 10220.7 | 0.03
2020-06-1521 | 69.812 | 53.65912 | 7.4630.21 | 10230.4 | 0.02
2020-06-1623 | 73.414 | 57.2629 | 5.5930.21 | 10230.0 | 0.0
2020-06-1725 | 77.016 | 60.86410 | 6.2130.12 | 10200.0 | 0.0
2020-06-1826 | 78.816 | 60.8627 | 4.3530.0 | 10160.0 | 0.0
2020-06-1926 | 78.819 | 66.27010 | 6.2129.97 | 10150.3 | 0.01
2020-06-2027 | 80.619 | 66.27015 | 9.3229.91 | 10131.3 | 0.05
2020-06-2127 | 80.621 | 69.87910 | 6.2129.85 | 101111.1 | 0.44
2020-06-2226 | 78.820 | 68.07614 | 8.729.8 | 10091.6 | 0.06
2020-06-2322 | 71.616 | 60.87616 | 9.9429.83 | 10100.3 | 0.01
2020-06-2422 | 71.616 | 60.8769 | 5.5929.88 | 10120.1 | 0.0
2020-06-2526 | 78.817 | 62.6686 | 3.7329.94 | 10140.0 | 0.0
2020-06-2628 | 82.420 | 68.06913 | 8.0829.94 | 10140.0 | 0.0
2020-06-2726 | 78.821 | 69.87817 | 10.5629.83 | 10102.2 | 0.09
2020-06-2828 | 82.422 | 71.67512 | 7.4629.8 | 100915.8 | 0.62
2020-06-2930 | 86.021 | 69.86813 | 8.0829.83 | 10101.7 | 0.07
2020-06-3027 | 80.622 | 71.6846 | 3.7329.77 | 100826.0 | 1.02

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