Weather Averages Bankston, IA

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Weather Averages for
Bankston, IA



Latitude: 42°24'N, Longitude: 90°43'W, Elevation: 324.0 m, Distance: 6.88 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 44 years
°C 8 -8 -5 0 8 15 20 22 21 16 10 2 -5
Average high temperature
over 44 years
°C 13 -3 -1 5 14 20 26 27 26 22 16 6 -1
Average low temperature
over 44 years
°C 2 -12 -10 -3 2 8 14 16 15 10 4 -2 -9
Highest recorded temperature
over 44 years
°C 38 15 16 29 33 32 37 38 37 36 31 22 17
Lowest recorded temperature
over 44 years
°C -33 -33 -32 -28 -11 -4 2 6 4 -2 -10 -27 -31
Average number of rainy days
over 41 years
days 117 9 8 11 12 12 10 10 9 9 9 9 10
Average number of days above 27°C
over 44 years
days 9 - - - - - 2 4 2 1 - - -
Average precipitation
over 44 years
cm 95.8 3.3 3.3 7.1 9.9 10.7 10.2 10.7 11.7 10.4 7.1 6.9 4.8
Average dew point
over 226 years
°C 2 -12 -9 -4 1 7 13 16 16 11 4 -2 -8
Most recorded rainfall
over 44 years
cm 160.8 15.2 9.1 16.5 19.6 23.9 26.7 31.0 25.1 39.4 21.8 26.9 10.4
Least recorded rainfall
over 44 years
cm 57.4 0.8 0.3 1.0 2.0 1.8 1.8 2.3 0.3 0.3 - 1.0 0.3
Average number of days with thunderstorms
over 26 years
days 34 - - 2 3 5 6 6 6 3 2 1 -
Average number of days with fog
over 26 years
days 128 12 11 11 9 9 8 11 13 11 9 11 13
Average morning relative humidity
over 44 years
% 82 78 79 80 77 78 82 86 88 87 82 82 82
Average evening relative humidity
over 38 years
% 59 68 64 59 52 52 55 57 58 56 53 62 70
Average wind speed
over 28 years
km/h 19.3 20.9 19.3 22.5 22.5 20.9 19.3 17.7 16.1 17.7 20.9 20.9 20.9
Average snowfall
over 41 years
cm 110.7 23.4 19.8 24.4 6.3 0.3 - - - - 0.5 9.4 26.7
Average number of clear days
over 21 years
days 92 7 7 6 6 7 6 8 9 10 10 7 7
Heating degree days
over 30 years
days 7327 1522 1226 967 522 237 34 6 27 124 456 861 1345
Cooling degree days
over 30 years
days 593 - - - - 39 118 232 176 22 6 - -
Average number of cloudy days
over 21 years
days 175 17 15 17 16 15 13 11 11 12 13 17 18
Average number of partly cloudy days
over 21 years
days 99 7 6 8 8 9 11 12 11 8 8 6 6
Average number of days below 4.5°C
over 44 years
days 218 31 28 30 25 12 1 - - 8 23 29 31
Average number of days above 19.5°C
over 44 years
days 102 - - - 2 10 22 28 25 12 3 - -