Weather Averages Andover, IA

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Weather Averages for
Andover, IA


Latitude: 41°54'N, Longitude: 90°9'W, Elevation: 592.0 ft, Distance: 7.85 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years
°F 48 18 23 35 49 60 70 74 71 64 52 39 24
Average high temperature
over 30 years
°F 58 28 32 44 59 71 80 84 81 74 63 47 32
Average low temperature
over 30 years
°F 39 9 13 26 39 50 60 64 62 53 42 30 16
Highest recorded temperature
over 49 years
°F 102 62 68 82 91 91 98 98 102 96 89 78 66
Lowest recorded temperature
over 49 years
°F -25 -23 -25 -14 12 30 39 48 46 30 12 -5 -20
Average number of days above 90°F
over 30 years
days 13 - - - - 0.3 2.9 5.2 3.7 1.1 - - -
Average precipitation
over 30 years
in 34.5 1.2 0.9 2.3 3.3 3.8 4.2 3.7 4.7 3.5 2.7 2.3 1.8
Average number of days below 32°F
over 30 years
days 132 29 26 22 5.7 0.2 - - - 0.1 3.2 17 28
Average number of days below 0°F
over 30 years
days 15 7 4.2 0.4 - - - - - - - 0.1 3.1
Average snowfall
over 30 years
in 20.0 5.9 4.9 3.5 0.8 - - - - - - 1.0 5.7
Most rain reported in a day
over 58 years
in 5.2 1.6 1.7 2.8 2.4 3.8 4.2 4.7 5.2 4.1 3.5 2.7 3.1
Most rain reported in a month
over 58 years
in 52.5 3.5 2.8 6.8 6.8 11.0 10.7 8.2 11.0 10.1 6.0 7.6 4.6
Least rain reported in a month
over 58 years
in 20.1 - - 0.4 0.7 0.5 0.6 0.1 0.4 0.1 - 0.3 0.1
Heating degree days
over 30 years
days 6627 1405 1170 902 472 181 21 2 6 103 372 756 1237
Cooling degree days
over 30 years
days 876 - - - 8 56 177 298 235 88 14 - -
Most snow reported in a month
over 58 years
in 53.7 28.5 22.5 18.3 5.5 - - - - - - 9.0 22.0