| Rank | Average Humidity ▼ | School District / Population |
| 1. | 85.47% | White River School District 47-1 / 1,805 |
| 2. | 85.40% | Bennett County School District 03-1 / 3,440 |
| 3. | 84.72% | Todd County School District 66-1 / 9,859 |
| 4. | 84.11% | Jones County School District 37-3 / 779 |
| 5. | 83.55% | Kadoka School District 35-2 / 3,493 |
| 6. | 82.95% | Leola School District 44-2 / 1,194 |
| 7. | 82.69% | Edmunds Central School District 22-5 / 1,138 |
| 8. | 82.63% | Shannon County School District 65-1 / 14,005 |
| 9. | 82.61% | Edgemont School District 23-1 / 1,223 |
| 10. | 82.60% | Wall School District 51-5 / 1,723 |
| 11. | 82.57% | Hot Springs School District 23-2 / 5,738 |
| 12. | 82.43% | Redfield School District 56-4 / 3,601 |
| 13. | 82.41% | Haakon School District 27-1 / 1,805 |
| 14. | 82.38% | Oelrichs School District 23-3 / 363 |
| 15. | 82.37% | Miller Area School District 29-4 / 3,036 |
| 16. | 82.14% | Highmore-Harrold School District 34-2 / 1,956 |
| 17. | 82.11% | Colome Consolidated School District 59-3 / 1,229 |
| 18. | 81.95% | Faulkton School District 24-4 / 2,057 |
| 19. | 81.90% | Wolsey-Wessington School District 02-6 / 1,523 |
| 20. | 81.87% | Ipswich School District 22-6 / 2,345 |
| 21. | 81.84% | Lyman School District 42-1 / 3,033 |
| 22. | 81.81% | Frederick Area School District 06-2 / 1,092 |
| 23. | 81.80% | Warner School District 06-5 / 1,122 |
| 24. | 81.78% | Groton Area School District 06-6 / 3,704 |
| 25. | 81.71% | Wessington Springs School District 36-2 / 1,762 |
| 26. | 81.70% | Northwestern Area School District 56-7 / 1,845 |
| 27. | 81.67% | Selby School District 62-5 / 1,773 |
| 28. | 81.61% | Eagle Butte School District 20-1 / 5,056 |
| 29. | 81.60% | Hitchcock-Tulare School District 56-6 / 1,165 |
| 30. | 81.58% | Winner School District 59-2 / 4,528 |
| 31. | 81.55% | Bowdle School District 22-1 / 732 |
| 32. | 81.45% | Elk Mountain School District 16-2 / 259 |
| 33. | 81.42% | Eureka School District 44-1 / 1,279 |
| 34. | 81.40% | Aberdeen School District 06-1 / 31,829 |
| 35. | 81.37% | Stanley County School District 57-1 / 2,984 |
| 36. | 81.26% | Kimball School District 07-2 / 1,051 |
| 37. | 81.26% | Custer School District 16-1 / 8,032 |
| 38. | 81.18% | Doland School District 56-2 / 978 |
| 39. | 81.10% | Clark School District 12-2 / 2,354 |
| 40. | 81.10% | Pierre School District 32-2 / 16,279 |
| 41. | 81.08% | Huron School District 02-2 / 15,635 |
| 42. | 81.00% | New Underwood School District 51-3 / 1,208 |
| 43. | 80.95% | Rapid City School District 51-4 / 95,347 |
| 44. | 80.92% | Dupree School District 64-2 / 1,871 |
| 45. | 80.85% | Douglas School District 51-1 / 11,934 |
| 46. | 80.84% | Meade School District 46-1 / 18,255 |
| 47. | 80.84% | Big Stone City School District 25-1 / 873 |
| 48. | 80.77% | Herreid School District 10-1 / 737 |
| 49. | 80.74% | Iroquois School District 02-3 / 1,118 |
| 50. | 80.72% | Langford School District 45-2 / 1,523 |
| 51. | 80.66% | Hoven School District 53-2 / 981 |
| 52. | 80.58% | McLaughlin School District 15-2 / 2,782 |
| 53. | 80.58% | Mobridge-Pollock School District 62-6 / 4,132 |
| 54. | 80.56% | Willow Lake School District 12-3 / 1,248 |
| 55. | 80.55% | Spearfish School District 40-2 / 15,757 |
| 56. | 80.54% | Gettysburg School District 53-1 / 1,434 |
| 57. | 80.49% | Greater Scott School District 61-5 / 112 |
| 58. | 80.49% | Milbank School District 25-4 / 5,453 |
| 59. | 80.45% | Alcester-Hudson School District 61-1 / 2,401 |
| 60. | 80.45% | Smee School District 15-3 / 332 |
| 61. | 80.43% | White Lake School District 01-3 / 686 |
| 62. | 80.42% | Henry School District 14-2 / 609 |
| 63. | 80.38% | Chester School District 39-1 / 1,713 |
| 64. | 80.33% | Florence School District 14-1 / 987 |
| 65. | 80.33% | Woonsocket School District 55-4 / 1,189 |
| 66. | 80.33% | Chamberlain School District 07-1 / 6,452 |
| 67. | 80.32% | Sioux Valley School District 05-5 / 3,790 |
| 68. | 80.30% | Brandon Valley School District 49-2 / 16,837 |
| 69. | 80.28% | Hill City School District 51-2 / 3,146 |
| 70. | 80.26% | Faith School District 46-2 / 806 |
| 71. | 80.24% | Greater Hoyt School District 61-4 / 305 |
| 72. | 80.23% | Rutland School District 39-4 / 534 |
| 73. | 80.23% | Arlington School District 38-1 / 1,833 |
| 74. | 80.23% | Canton School District 41-1 / 5,487 |
| 75. | 80.22% | Garretson School District 49-4 / 2,633 |
| 76. | 80.19% | Timber Lake School District 20-3 / 1,455 |
| 77. | 80.15% | Britton-Hecla School District 45-4 / 2,883 |
| 78. | 80.13% | Harrisburg School District 41-2 / 18,360 |
| 79. | 80.13% | Gregory School District 26-4 / 2,148 |
| 80. | 80.13% | Watertown School District 14-4 / 25,208 |
| 81. | 80.12% | Deubrook School District 05-6 / 1,941 |
| 82. | 80.11% | Rosholt School District 54-4 / 1,213 |
| 83. | 80.05% | Hamlin School District 28-3 / 3,147 |
| 84. | 80.04% | Belle Fourche School District 09-1 / 7,771 |
| 85. | 80.02% | Castlewood School District 28-1 / 1,335 |
| 86. | 80.01% | Grant-Deuel School District 25-3 / 929 |
| 87. | 80.00% | Lead-Deadwood School District 40-1 / 6,876 |
| 88. | 80.00% | Agar-Blunt-Onida School District 58-3 / 2,065 |
| 89. | 80.00% | Wilmot School District 54-7 / 1,609 |
| 90. | 79.95% | Plankinton School District 01-1 / 1,238 |
| 91. | 79.95% | Brookings School District 05-1 / 25,969 |
| 92. | 79.94% | McIntosh School District 15-1 / 736 |
| 93. | 79.92% | Estelline School District 28-2 / 1,748 |
| 94. | 79.90% | Deuel School District 19-4 / 3,256 |
| 95. | 79.89% | Flandreau School District 50-3 / 3,583 |
| 96. | 79.88% | Montrose School District 43-2 / 1,167 |
| 97. | 79.79% | Dell Rapids School District 49-3 / 5,501 |
| 98. | 79.78% | Waverly School District 14-5 / 1,102 |
| 99. | 79.76% | Colman-Egan School District 50-5 / 1,914 |
| 100. | 79.72% | Baltic School District 49-1 / 2,035 |
| 101. | 79.71% | Burke School District 26-2 / 1,353 |
| 102. | 79.71% | Newell School District 09-2 / 2,566 |
| 103. | 79.70% | Madison Central School District 39-2 / 9,408 |
| 104. | 79.68% | De Smet School District 38-2 / 1,710 |
| 105. | 79.63% | Tea Area School District 41-5 / 6,850 |
| 106. | 79.62% | Elkton School District 05-3 / 1,293 |
| 107. | 79.61% | Dakota Valley School District 61-8 / 6,327 |
| 108. | 79.56% | Summit School District 54-6 / 621 |
| 109. | 79.47% | Sioux Falls School District 49-5 / 147,771 |
| 110. | 79.45% | Canistota School District 43-1 / 1,047 |
| 111. | 79.42% | Sisseton School District 54-2 / 8,009 |
| 112. | 79.41% | Marion School District 60-3 / 1,401 |
| 113. | 79.37% | Platte-Geddes School District 11-5 / 3,112 |
| 114. | 79.36% | West Central School District 49-7 / 6,415 |
| 115. | 79.36% | Gayville-Volin School District 63-1 / 881 |
| 116. | 79.36% | Elk Point-Jefferson School District 61-7 / 4,254 |
| 117. | 79.34% | Oldham-Ramona School District 39-5 / 831 |
| 118. | 79.34% | Centerville School District 60-1 / 1,436 |
| 119. | 79.33% | Lake Preston School District 38-3 / 1,217 |
| 120. | 79.29% | Bridgewater School District 43-6 / 876 |
| 121. | 79.27% | Tri-Valley School District 49-6 / 5,587 |
| 122. | 79.27% | Beresford School District 61-2 / 3,637 |
| 123. | 79.26% | Sanborn Central School District 55-5 / 1,233 |
| 124. | 79.23% | Lemmon School District 52-4 / 2,162 |
| 125. | 79.21% | Irene-Wakonda School District 13-3 / 2,390 |
| 126. | 79.21% | Bon Homme School District 04-2 / 4,687 |
| 127. | 79.20% | Andes Central School District 11-1 / 2,104 |
| 128. | 79.12% | Lennox School District 41-4 / 6,080 |
| 129. | 79.09% | Freeman School District 33-1 / 2,583 |
| 130. | 79.09% | Vermillion School District 13-1 / 12,343 |
| 131. | 79.04% | Avon School District 04-1 / 1,263 |
| 132. | 79.04% | McCook Central School District 43-7 / 2,366 |
| 133. | 78.94% | Waubay School District 18-3 / 1,315 |
| 134. | 78.93% | Webster School District 18-4 / 3,312 |
| 135. | 78.88% | Bison School District 52-1 / 829 |
| 136. | 78.86% | Wagner School District 11-4 / 4,078 |
| 137. | 78.84% | Corsica School District 21-2 / 1,252 |
| 138. | 78.81% | Viborg School District 60-5 / 2,349 |
| 139. | 78.77% | Scotland School District 04-3 / 1,842 |
| 140. | 78.75% | Howard School District 48-3 / 2,314 |
| 141. | 78.68% | Stickney School District 01-2 / 849 |
| 142. | 78.64% | Emery School District 30-2 / 1,759 |
| 143. | 78.64% | Hanson School District 30-1 / 1,948 |
| 144. | 78.60% | Hurley School District 60-2 / 946 |
| 145. | 78.56% | Roslyn School District 18-2 / 735 |
| 146. | 78.51% | Tripp-Delmont School District 33-5 / 1,469 |
| 147. | 78.51% | Harding County School District 31-1 / 1,263 |
| 148. | 78.42% | Armour School District 21-1 / 1,204 |
| 149. | 78.38% | Mount Vernon School District 17-3 / 1,048 |
| 150. | 78.32% | Parker School District 60-4 / 2,082 |
| 151. | 78.26% | South Central School District 26-5 / 907 |
| 152. | 78.00% | Menno School District 33-2 / 1,320 |
| 153. | 78.00% | Mitchell School District 17-2 / 18,378 |
| 154. | 77.99% | Yankton School District 63-3 / 20,147 |
| 155. | 77.94% | Parkston School District 33-3 / 3,096 |
| 156. | 77.64% | Ethan School District 17-1 / 929 |
Please note that we only rank locations with 'Average Humidity' data. The rank above might not be a complete list. Locations without 'Average Humidity' data are not listed.
