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Perry is a city in Dallas County, Iowa, United States, along the North Raccoon River. The population was 7,836 at the time of the 2020 Census. It is part of the Des Moines–West Des Moines Metropolitan Statistical Area.
| Climate data for Perry, Iowa, 1991–2020 normals, extremes 1900–present | |||||||||||||
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °F (°C) | 67(19) | 76(24) | 89(32) | 95(35) | 105(41) | 105(41) | 110(43) | 111(44) | 104(40) | 95(35) | 83(28) | 73(23) | 111(44) |
| Mean maximum °F (°C) | 51.7(10.9) | 56.9(13.8) | 72.4(22.4) | 83.3(28.5) | 89.2(31.8) | 93.1(33.9) | 95.0(35.0) | 93.8(34.3) | 90.7(32.6) | 84.3(29.1) | 69.9(21.1) | 56.1(13.4) | 96.9(36.1) |
| Mean daily maximum °F (°C) | 29.5(−1.4) | 34.0(1.1) | 47.5(8.6) | 61.3(16.3) | 71.9(22.2) | 81.9(27.7) | 85.4(29.7) | 83.3(28.5) | 77.1(25.1) | 64.0(17.8) | 47.8(8.8) | 35.0(1.7) | 59.9(15.5) |
| Daily mean °F (°C) | 19.8(−6.8) | 24.1(−4.4) | 36.6(2.6) | 49.0(9.4) | 60.5(15.8) | 70.9(21.6) | 74.5(23.6) | 72.1(22.3) | 64.3(17.9) | 51.5(10.8) | 37.3(2.9) | 25.7(−3.5) | 48.9(9.4) |
| Mean daily minimum °F (°C) | 10.2(−12.1) | 14.1(−9.9) | 25.8(−3.4) | 36.7(2.6) | 49.0(9.4) | 59.8(15.4) | 63.5(17.5) | 60.8(16.0) | 51.5(10.8) | 39.1(3.9) | 26.8(−2.9) | 16.5(−8.6) | 37.8(3.2) |
| Mean minimum °F (°C) | −11.8(−24.3) | −7.0(−21.7) | 5.7(−14.6) | 21.8(−5.7) | 34.9(1.6) | 47.3(8.5) | 52.9(11.6) | 50.9(10.5) | 36.0(2.2) | 23.8(−4.6) | 10.2(−12.1) | −3.6(−19.8) | −15.6(−26.4) |
| Record low °F (°C) | −32(−36) | −33(−36) | −30(−34) | 6(−14) | 20(−7) | 34(1) | 42(6) | 34(1) | 22(−6) | −8(−22) | −13(−25) | −34(−37) | −34(−37) |
| Average precipitation inches (mm) | 0.95(24) | 1.14(29) | 1.96(50) | 4.10(104) | 5.15(131) | 4.88(124) | 4.42(112) | 4.14(105) | 3.44(87) | 2.70(69) | 1.86(47) | 1.38(35) | 36.12(917) |
| Average snowfall inches (cm) | 4.6(12) | 5.1(13) | 3.8(9.7) | 0.9(2.3) | 0.0(0.0) | 0.0(0.0) | 0.0(0.0) | 0.0(0.0) | 0.0(0.0) | 0.1(0.25) | 1.8(4.6) | 7.2(18) | 23.5(59.85) |
| Average precipitation days (≥ 0.01 in) | 7.1 | 7.5 | 8.5 | 11.7 | 13.7 | 12.3 | 9.6 | 10.3 | 9.0 | 9.3 | 7.1 | 8.0 | 114.1 |
| Average snowy days (≥ 0.1 in) | 3.1 | 2.9 | 1.5 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.9 | 3.7 | 12.4 |
| Source 1: NOAA (average snowfall, snow days 1981–2010) | |||||||||||||
| Source 2: National Weather Service | |||||||||||||
| Race / Ethnicity (NH = Non-Hispanic) | Pop 2000 | Pop 2010 | Pop 2020 | % 2000 | % 2010 | % 2020 |
| White alone (NH) | 5,561 | 4,709 | 4,348 | 72.85% | 61.14% | 55.49% |
| Black or African American alone (NH) | 65 | 120 | 258 | 0.85% | 1.56% | 3.29% |
| Native American or Alaska Native alone (NH) | 14 | 18 | 11 | 0.18% | 0.23% | 0.14% |
| Asian alone (NH) | 55 | 60 | 84 | 0.72% | 0.78% | 1.07% |
| Pacific Islander alone (NH) | 2 | 10 | 4 | 0.03% | 0.13% | 0.05% |
| Other race alone (NH) | 12 | 12 | 21 | 0.16% | 0.16% | 0.27% |
| Mixed race or Multiracial (NH) | 51 | 81 | 208 | 0.67% | 1.05% | 2.65% |
| Hispanic or Latino (any race) | 1,873 | 2,692 | 2,902 | 24.54% | 34.95% | 37.03% |
| Total | 7,633 | 7,702 | 7,836 | 100.00% | 100.00% | 100.00% |