Weather Averages Alto Pass, IL

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Weather Averages for
Alto Pass, IL


Latitude: 37°28'N, Longitude: 89°13'W, Elevation: 640.0 ft, Distance: 9.09 mi

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 123 years		 °F 55 33 37 46 57 66 73 77 77 69 59 46 35
Average high temperature
over 102 years		 °F 66 42 46 57 68 77 84 89 87 80 69 57 44
Average low temperature
over 102 years		 °F 44 26 28 35 44 53 62 66 64 59 46 35 28
Highest recorded temperature
over 110 years		 °F 111 75 78 91 91 98 105 111 109 107 95 82 75
Lowest recorded temperature
over 110 years		 °F -20 -20 -13 - 21 31 42 46 44 32 19 -5 -14
Average number of days above 90°F
over 30 years		 days 42 - - - 0.1 1.1 8.3 15 12 5.2 0.4 - -
Average precipitation
over 123 years		 in 47.4 3.6 3.2 4.7 4.6 4.9 4.4 3.5 3.8 3.5 3.3 4.0 3.8
Average number of days below 32°F
over 30 years		 days 80 21 17 11 1.9 - - - - - 1.4 9.4 19
Average number of days below 0°F
over 30 years		 days 1.8 1 0.3 - - - - - - - - - 0.4
Average snowfall
over 30 years		 in 16.1 5.5 4.8 2.4 0.2 - - - - - - 0.5 2.7
Most rain reported in a day
over 110 years		 in 5.4 4.2 4.0 5.4 3.6 4.8 4.9 4.5 4.5 4.5 3.8 5.1 5.2
Most rain reported in a month
over 110 years		 in 71.7 16.6 8.6 14.2 12.0 13.8 18.2 13.6 12.8 11.7 10.5 9.3 13.0
Least rain reported in a month
over 110 years		 in 27.5 - 0.3 0.8 0.7 0.3 0.3 0.2 0.3 - - 0.4 0.2
Heating degree days
over 30 years		 days 4419 1027 810 564 255 71 3 - 1 37 228 526 897
Cooling degree days
over 30 years		 days 1403 - - 4 30 110 289 406 353 177 32 2 -
Most snow reported in a month
over 110 years		 in 44.0 22.1 23.6 18.7 2.0 - - - - - 4.0 7.0 16.7
Check weather averages for nearby locations (some locations might offer more data):
Latitude: 37°44'N, Longitude: 89°12'W, Elevation: 380.0 ft, Distance: 14.40 mi
Latitude: 37°43'N, Longitude: 89°10'W, Elevation: 390.0 ft, Distance: 14.54 mi
Latitude: 37°46'N, Longitude: 89°15'W, Elevation: 411.0 ft, Distance: 15.34 mi
Latitude: 37°22'N, Longitude: 89°40'W, Elevation: 440.0 ft, Distance: 22.26 mi
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