Weather Averages Peoria, IL

Weather Reports

Enter Location or Click Browse
Weather Averages for
Peoria, IL



Latitude: 40°40'N, Longitude: 89°40'W, Elevation: 198.1 m, Distance: 2.74 km

  Unit Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature
over 30 years
°C 10 -5 -3 3 10 16 21 24 22 18 12 5 -2
Average high temperature
over 30 years
°C 15 -1 1 8 16 22 27 29 28 24 18 9 1
Average low temperature
over 30 years
°C 5 -10 -7 -1 4 10 15 18 17 12 6 0 -7
Highest recorded temperature
over 101 years
°C 45 21 23 30 33 40 40 45 41 40 33 27 21
Lowest recorded temperature
over 101 years
°C -32 -31 -32 -23 -10 -3 3 7 5 -4 -13 -18 -31
Average number of days above 27°C
over 30 years
days 27 - - - 0.1 1 5.8 10 7.5 2.9 0.1 - -
Average precipitation
over 30 years
cm 92.2 3.8 3.6 7.4 9.7 9.4 10.2 10.7 7.9 9.9 6.9 6.9 6.1
Average number of days below -1.5°C
over 30 years
days 122 27 24 19 5.7 0.3 - - - 0.1 3.7 16 26
Average number of days below -17.5°C
over 30 years
days 9.3 4.3 2.6 0.2 - - - - - - - 0.1 2.1
Average snowfall
over 30 years
cm 66.5 18.5 15.0 8.6 3.0 - - - - - 0.3 4.8 16.3
Most rain reported in a day
over 101 years
cm 14.0 11.2 7.1 7.4 13.0 14.0 11.9 9.1 10.9 10.4 9.1 10.9 6.3
Most rain reported in a month
over 101 years
cm 140.7 20.6 12.7 17.8 22.1 29.2 29.7 25.9 21.8 33.3 26.7 19.3 16.0
Least rain reported in a month
over 101 years
cm 56.4 0.3 0.3 1.0 1.8 1.3 1.3 0.8 0.8 - - 0.3 0.8
Heating degree days
over 30 years
days 6256 1347 1093 814 425 167 19 3 9 95 373 732 1179
Cooling degree days
over 30 years
days 966 - - 1 11 64 201 317 249 109 14 - -
Most snow reported in a month
over 101 years
cm 132.8 62.7 38.6 42.9 34.0 0.3 - - - - 4.6 23.1 55.1