Rainiest Cities in Illinois

Top 100 cities ranked by rainiest cities

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All Countries · United States · Illinois

Rainiest Cities — Illinois

1 Cicero 53.9"

2 Metropolis 49.1"

3 Chicago 49.0"

4 Carbondale 49.0"

5 Carterville 49.0"

6 Herrin 49.0"

7 Olney 48.8"

8 Mount Carmel 48.7"

9 Harrisburg 47.6"

10 West Frankfort 47.6"

11 Marion 47.6"

12 Salem 45.9"

13 Centralia 45.9"

14 Robinson 45.5"

15 Mount Vernon 45.0"

16 Naperville 44.5"

17 Effingham 44.0"

18 Murphysboro 44.0"

19 Charleston 43.8"

20 Vandalia 43.7"

21 Greenville 43.7"

22 Waterloo 43.6"

23 Columbia 43.6"

24 Joliet 43.4"

25 Shiloh 43.4"

26 Maryville 43.4"

27 Troy 43.4"

28 Highland 43.4"

29 Belleville 43.4"

30 Swansea 43.4"

31 O'Fallon 43.4"

32 Glen Carbon 43.4"

33 Mascoutah 43.4"

34 Edwardsville 43.4"

35 Danville 43.2"

36 Aurora 43.1"

37 Chester 42.8"

38 Paris 42.7"

39 Pana 42.3"

40 Du Quoin 42.2"

41 Jerseyville 42.2"

42 Pinckneyville 42.2"

43 Richton Park 42.1"

44 Monee 42.1"

45 Park Forest 42.1"

46 Sauk Village 42.1"

47 Steger 42.1"

48 Manhattan 42.1"

49 University Park 42.1"

50 Crete 42.1"

51 Hillsboro 42.1"

52 Bethalto 41.9"

53 Wood River 41.9"

54 East Alton 41.9"

55 Godfrey 41.9"

56 Pontoon Beach 41.9"

57 Granite City 41.9"

58 Alton 41.9"

59 Bourbonnais 41.7"

60 Manteno 41.7"

61 Bradley 41.7"

62 Kankakee 41.7"

63 Elgin 41.7"

64 Matteson 41.4"

65 Oak Brook 41.4"

66 Orland Park 41.4"

67 Tinley Park 41.4"

68 Lemont 41.4"

69 Western Springs 41.4"

70 Willow Springs 41.4"

71 Darien 41.4"

72 Mokena 41.4"

73 Countryside 41.4"

74 Burr Ridge 41.4"

75 Jacksonville 41.4"

76 Orland Hills 41.4"

77 Frankfort Square 41.4"

78 Hickory Hills 41.4"

79 New Lenox 41.4"

80 Hinsdale 41.4"

81 Homer Glen 41.4"

82 Westmont 41.4"

83 Frankfort 41.4"

84 Clarendon Hills 41.4"

85 Palos Hills 41.4"

86 Mattoon 41.3"

87 Bolingbrook 41.1"

88 Crest Hill 41.1"

89 Plainfield 41.1"

90 Romeoville 41.1"

91 Lockport 41.1"

92 Beardstown 41.0"

93 Urbana 40.9"

94 Macomb 40.9"

95 Hoopeston 40.9"

96 Country Club Hills 40.9"

97 Lynwood 40.9"

98 Harvey 40.9"

99 Markham 40.9"

100 Homewood 40.9"

The rainiest cities in Illinois receive the highest annual precipitation, creating lush green landscapes and abundant water resources. Cicero leads with 53.9 inches of precipitation annually.

High rainfall supports diverse ecosystems, extensive park systems, and reliable water supplies. These cities often feature vibrant gardens, green spaces, and agricultural communities that benefit from consistent moisture throughout the year.

While abundant rainfall supports lush environments, it can also bring challenges including flooding risks, high humidity, and more frequent overcast days. Many rainy cities have adapted with robust drainage systems, covered public spaces, and a cultural embrace of indoor activities.

Did You Know?

1. Cicero receives 53.9" of precipitation annually — that's about 4.5 feet of water.
2. The rainiest cities in the U.S. are primarily in the Southeast and Pacific Northwest, though for very different reasons — tropical moisture vs. marine influence.
3. High rainfall areas tend to have lower wildfire risk and more reliable municipal water supplies.

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