Weather Averages Alta, IA

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Weather Averages for
Alta, IA



Latitude: 42°37'N, Longitude: 95°10'W, Elevation: 434.0 m, Distance: 6.04 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 109 years
°C 6 -8 -6 0 7 13 20 21 20 15 10 0 -5
Average high temperature
over 107 years
°C 12 -3 -1 5 13 20 25 27 26 22 15 5 0
Average low temperature
over 107 years
°C 1 -14 -11 -5 0 7 13 15 15 10 3 -3 -10
Highest recorded temperature
over 104 years
°C 42 18 18 29 33 41 40 42 42 38 32 25 16
Lowest recorded temperature
over 104 years
°C -36 -35 -36 -31 -16 -6 1 5 2 -5 -16 -23 -33
Average number of days above 27°C
over 30 years
days 16 - - - - 0.5 3 6.3 4.2 1.5 - - -
Average precipitation
over 122 years
cm 75.9 1.5 2.0 4.1 7.1 10.4 12.2 9.9 9.4 8.4 5.1 3.3 2.0
Average number of days below -1.5°C
over 30 years
days 150 29 26 25 12 1.5 - - - 0.7 7.1 21 29
Average number of days below -17.5°C
over 30 years
days 25 10 7.2 1.4 - - - - - - - 0.6 5.9
Average snowfall
over 30 years
cm 91.2 16.3 18.5 19.8 5.6 - - - - - 0.8 9.1 20.8
Most rain reported in a day
over 104 years
cm 17.0 7.1 5.6 4.8 5.3 11.2 8.9 9.4 17.0 16.0 8.9 6.9 3.8
Most rain reported in a month
over 104 years
cm 116.8 12.4 7.6 14.0 23.6 25.7 30.5 29.2 26.2 31.8 13.7 10.7 6.3
Least rain reported in a month
over 104 years
cm 35.3 - - 0.3 0.5 1.3 0.8 1.3 0.8 0.5 - - -
Heating degree days
over 30 years
days 7786 1568 1285 1037 572 245 47 8 29 174 485 917 1419
Cooling degree days
over 30 years
days 625 - - - 5 33 129 235 169 50 4 - -
Most snow reported in a month
over 104 years
cm 223.5 71.1 63.0 62.2 45.7 10.2 - 0.8 - 1.3 24.1 48.5 57.9