Affton, Missouri, United States Climate
Weather: 11.88°C/53.38°F, Wind SW at 4.63 km/h, 80% Humidity, 0% Chance of rain
(Photo by Laura Gilchrist on Unsplash)
Affton Climate Summary
Located at an elevation of None meters (0 feet) above sea level, Affton has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 14.95ºC (58.91ºF) and it is 2.31% higher than United States’s averages. Affton typically receives about 47.35 millimeters (1.86 inches) of precipitation and has 43.01 rainy days (11.78% of the time) annually.
Country | United States |
City | Missouri |
Longitude | -90.3331719 |
Latitude | 38.5506084 |
Attitude/Elevation | Nonem (0ft) |
Local time | Saturday 06:23 |
Annual high temperature | 18.25ºC (64.85ºF) |
Annual low temperature | 10.12ºC (50.22ºF) |
Average annual precip. | 47.35mm (1.86in) |
Warmest month | July (31.04ºC / 87.87ºF) |
Coldest Month | January (-2.78ºC / 27.0ºF) |
Wettest Month | August (72.93mm / 2.87in) |
Driest Month | November (31.71mm / 1.25in) |
Number of days with rainfall (≥ 1.0 mm) | 43.01 days (11.78%) |
Days with no rain | 321.99 days (88.22%) |
Humidity | 70.88% |
Climate Affton: Weather By Month
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | 37.0(98.6) | 36.0(96.8) | 34.0(93.2) | 34.0(93.2) | 23.0(73.4) | 19.0(66.2) | 37.0(98.6) |
Average high °C (°F) | 3.85(38.93) | 6.6(43.88) | 11.34(52.41) | 16.81(62.26) | 25.14(77.25) | 29.81(85.66) | 31.04(87.87) | 29.7(85.46) | 27.89(82.2) | 18.67(65.61) | 10.62(51.12) | 7.49(45.48) | 18.25(64.85) |
Daily mean °C (°F) | 1.14(34.05) | 3.39(38.1) | 8.19(46.74) | 13.09(55.56) | 21.78(71.2) | 26.26(79.27) | 27.7(81.86) | 26.26(79.27) | 24.02(75.24) | 15.2(59.36) | 7.52(45.54) | 4.84(40.71) | 14.95(58.91) |
Average low °C (°F) | -2.78(27.0) | -1.0(30.2) | 3.61(38.5) | 7.57(45.63) | 16.41(61.54) | 20.53(68.95) | 22.46(72.43) | 21.01(69.82) | 18.64(65.55) | 10.53(50.95) | 3.27(37.89) | 1.24(34.23) | 10.12(50.22) |
Record low °C (°F) | -19.0(-2.2) | -12.0(10.4) | -14.0(6.8) | -3.0(26.6) | 4.0(39.2) | 13.0(55.4) | 18.0(64.4) | 14.0(57.2) | 9.0(48.2) | -1.0(30.2) | -12.0(10.4) | -9.0(15.8) | -19.0(-2.2) |
Average precipitation mm (inches) | 33.29(1.31) | 40.04(1.58) | 50.59(1.99) | 47.94(1.89) | 57.56(2.27) | 69.17(2.72) | 61.46(2.42) | 72.93(2.87) | 31.81(1.25) | 37.81(1.49) | 31.71(1.25) | 33.83(1.33) | 47.35(1.86) |
Average precipitation days (≥ 1.0 mm) | 2.09 | 3.36 | 3.55 | 3.45 | 4.64 | 4.91 | 5.18 | 4.55 | 3.73 | 2.82 | 2.55 | 2.18 | 3.58 |
Average relative humidity (%) | 71.68 | 70.96 | 69.87 | 67.52 | 72.1 | 70.33 | 73.44 | 74.33 | 71.13 | 66.3 | 70.33 | 72.51 | 70.88 |
Mean monthly sunshine hours | 6.77 | 8.14 | 8.96 | 9.49 | 12.42 | 13.57 | 13.34 | 10.79 | 10.67 | 9.34 | 6.95 | 6.88 | 9.78 |
Climate Graph
The chart below shows the mean monthly temperature and precipitation of Affton in recent years.
Affton Temperature by Month
July | 27.7°C | 81.86°F | |
June | 26.26°C | 79.27°F | |
August | 26.26°C | 79.27°F | |
September | 24.02°C | 75.24°F | |
May | 21.78°C | 71.2°F | |
October | 15.2°C | 59.36°F | |
April | 13.09°C | 55.56°F | |
March | 8.19°C | 46.74°F | |
November | 7.52°C | 45.54°F | |
December | 4.84°C | 40.71°F | |
February | 3.39°C | 38.1°F | |
January | 1.14°C | 34.05°F |
Historical Data
Temperature | Max | Average | Min | |
---|---|---|---|---|
Max Temperature | 34.0°C (93.2°F) | 28.33°C (82.99°F) | 20.0°C (68.0°F) | |
Avg Temperature | 30.0°C (86.0°F) | 24.67°C (76.41°F) | 16.0°C (60.8°F) | |
Min Temperature | 24.0°C (75.2°F) | 19.4°C (66.92°F) | 10.0°C (50.0°F) | |
Dew Point | Max | Average | Min | |
Dew Point | 22.0°C (71.6°F) | 17.83°C (64.09°F) | 8.0°C (46.4°F) | |
Precipitation | Max | Average | Min | Sum |
Precipitation | 40.0mm | 1.57in | 5.82mm | 0.23in | 0.0mm | 0in | 174.7mm | 6.88in |
Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
Wind | Max | Average | Min | |
Wind | 17.0kmh | 10.56mph | 8.77kmh | 5.45mph | 4.0kmh | 2.49mph | |
Gust Wind | 25.0kmh | 15.53mph | 13.1kmh | 8.14mph | 6.0kmh | 3.73mph | |
Sea Level Pressure | Max | Average | Min | |
Sea Level Pressure | 40.0mb | 5.82mb | 0.0mb |
Daily Observations
Time | Temperature | Dew Point | Humidity | Wind Speed | Pressure | Precipitation |
---|---|---|---|---|---|---|
September | ° C | ° F | ° C | ° F | % | Kph | Mph | Hg | Mb | Total (mm/in) |
2018-09-01 | 28 | 82.4 | 22 | 71.6 | 75 | 13 | 8.08 | 30.0 | 1016 | 8.2 | 0.32 |
2018-09-02 | 29 | 84.2 | 22 | 71.6 | 73 | 12 | 7.46 | 30.06 | 1018 | 4.1 | 0.16 |
2018-09-03 | 29 | 84.2 | 22 | 71.6 | 73 | 11 | 6.84 | 30.12 | 1020 | 5.1 | 0.2 |
2018-09-04 | 29 | 84.2 | 22 | 71.6 | 70 | 11 | 6.84 | 30.12 | 1020 | 0.6 | 0.02 |
2018-09-05 | 29 | 84.2 | 22 | 71.6 | 71 | 8 | 4.97 | 30.09 | 1019 | 10.3 | 0.41 |
2018-09-06 | 27 | 80.6 | 21 | 69.8 | 76 | 7 | 4.35 | 30.12 | 1020 | 22.3 | 0.88 |
2018-09-07 | 25 | 77.0 | 22 | 71.6 | 86 | 9 | 5.59 | 30.06 | 1018 | 21.8 | 0.86 |
2018-09-08 | 19 | 66.2 | 18 | 64.4 | 90 | 17 | 10.56 | 29.91 | 1013 | 26.4 | 1.04 |
2018-09-09 | 18 | 64.4 | 15 | 59.0 | 83 | 12 | 7.46 | 29.91 | 1013 | 2.4 | 0.09 |
2018-09-10 | 22 | 71.6 | 15 | 59.0 | 74 | 5 | 3.11 | 30.0 | 1016 | 0.7 | 0.03 |
2018-09-11 | 24 | 75.2 | 17 | 62.6 | 70 | 5 | 3.11 | 30.09 | 1019 | 0.0 | 0.0 |
2018-09-12 | 23 | 73.4 | 17 | 62.6 | 74 | 7 | 4.35 | 30.12 | 1020 | 0.0 | 0.0 |
2018-09-13 | 26 | 78.8 | 18 | 64.4 | 71 | 4 | 2.49 | 30.09 | 1019 | 0.0 | 0.0 |
2018-09-14 | 28 | 82.4 | 20 | 68.0 | 71 | 4 | 2.49 | 30.06 | 1018 | 0.4 | 0.02 |
2018-09-15 | 28 | 82.4 | 20 | 68.0 | 68 | 7 | 4.35 | 30.06 | 1018 | 0.0 | 0.0 |
2018-09-16 | 28 | 82.4 | 21 | 69.8 | 73 | 5 | 3.11 | 30.0 | 1016 | 13.0 | 0.51 |
2018-09-17 | 29 | 84.2 | 21 | 69.8 | 66 | 5 | 3.11 | 29.91 | 1013 | 1.5 | 0.06 |
2018-09-18 | 29 | 84.2 | 20 | 68.0 | 64 | 6 | 3.73 | 29.91 | 1013 | 1.7 | 0.07 |
2018-09-19 | 29 | 84.2 | 22 | 71.6 | 73 | 6 | 3.73 | 29.94 | 1014 | 40.0 | 1.57 |
2018-09-20 | 30 | 86.0 | 21 | 69.8 | 66 | 13 | 8.08 | 29.94 | 1014 | 2.0 | 0.08 |
2018-09-21 | 25 | 77.0 | 18 | 64.4 | 69 | 14 | 8.7 | 30.03 | 1017 | 1.5 | 0.06 |
2018-09-22 | 18 | 64.4 | 12 | 53.6 | 71 | 10 | 6.21 | 30.18 | 1022 | 2.5 | 0.1 |
2018-09-23 | 21 | 69.8 | 15 | 59.0 | 75 | 9 | 5.59 | 30.06 | 1018 | 0.3 | 0.01 |
2018-09-24 | 23 | 73.4 | 19 | 66.2 | 85 | 7 | 4.35 | 29.94 | 1014 | 2.1 | 0.08 |
2018-09-25 | 25 | 77.0 | 20 | 68.0 | 81 | 9 | 5.59 | 29.91 | 1013 | 6.3 | 0.25 |
2018-09-26 | 18 | 64.4 | 10 | 50.0 | 61 | 12 | 7.46 | 30.12 | 1020 | 1.3 | 0.05 |
2018-09-27 | 21 | 69.8 | 9 | 48.2 | 52 | 7 | 4.35 | 30.06 | 1018 | 0.2 | 0.01 |
2018-09-28 | 20 | 68.0 | 10 | 50.0 | 59 | 10 | 6.21 | 30.12 | 1020 | 0.0 | 0.0 |
2018-09-29 | 16 | 60.8 | 8 | 46.4 | 63 | 10 | 6.21 | 30.24 | 1024 | 0.0 | 0.0 |
2018-09-30 | 24 | 75.2 | 16 | 60.8 | 72 | 8 | 4.97 | 30.15 | 1021 | 0.0 | 0.0 |
Affton 3 Year Historical Weather Data
Nearby locations
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- Concord 5.04 km ( 3.13 mi)
- Webster Groves 5.11 km ( 3.18 mi)
- Brentwood 7.56 km ( 4.70 mi)
- Oakville 9.28 km ( 5.77 mi)
- University City 13.06 km ( 8.11 mi)
- St. Louis 14.41 km ( 8.96 mi)
- Creve Coeur 14.51 km ( 9.02 mi)
- St. Ann 20.60 km ( 12.80 mi)
- Barnhart 23.51 km ( 14.61 mi)
- Chesterfield 24.64 km ( 15.31 mi)
- Hazelwood 24.73 km ( 15.37 mi)
- Florissant 26.50 km ( 16.47 mi)
- Black Jack 27.55 km ( 17.12 mi)
- O'Fallon 43.02 km ( 26.73 mi)
- Bonne Terre 72.32 km ( 44.94 mi)
- Troy 73.72 km ( 45.80 mi)
- Farmington 85.79 km ( 53.31 mi)
- Mexico 151.55 km ( 94.17 mi)
- Jefferson City 160.42 km ( 99.68 mi)
- Sikeston 197.06 km ( 122.45 mi)
- Poplar Bluff 199.14 km ( 123.74 mi)
- Charleston 200.55 km ( 124.61 mi)
- Moberly 206.26 km ( 128.17 mi)
- Boonville 214.67 km ( 133.39 mi)
- Lebanon 226.04 km ( 140.45 mi)
- Warrensburg 297.12 km ( 184.62 mi)
- Nixa 309.82 km ( 192.51 mi)
- Battlefield 311.18 km ( 193.36 mi)
- Branson 331.21 km ( 205.80 mi)
- Blue Springs 346.93 km ( 215.57 mi)
- Harrisonville 349.96 km ( 217.46 mi)
- Lee's Summit 354.31 km ( 220.16 mi)
- Raytown 362.46 km ( 225.22 mi)
- Liberty 362.73 km ( 225.39 mi)
- Kansas City 373.64 km ( 232.17 mi)
- Neosho 401.71 km ( 249.61 mi)
- Carl Junction 402.38 km ( 250.03 mi)
- Joplin 402.38 km ( 250.03 mi)
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