DroughtOdds

Drought in Johnson County, IN: 1.2 years in 10 since 2000

1.2 years in 10

Johnson County, IN: 3 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

  1. 11
  2. 4
  3. 2
  4. 0
  5. 0
  6. 0
  7. 0
  8. 15
  9. 0
  10. 0
  11. 10
  12. 7
  13. 17
  14. 0
  15. 0
  16. 1
  17. 0
  18. 0
  19. 0
  20. 0
  21. 5
  22. 0
  23. 9
  24. 17
  25. 8
  26. 0

20002025

Drought years: 2007 (15 wk), 2012 (17 wk) and 2023 (17 wk). Not a single drought week in 2003, 2004, 2005, 2006, 2008, 2009, 2013, 2014, 2016, 2017, 2018, 2019, 2021 and 2025.

A regular lawn is fine here; plan for the odd dry year

Real droughts are rare here. A smart controller that skips watering after rain covers the odd dry year.

You can keep a regular lawn. Worth doing: a rain-sensing or smart controller, and deeper, less frequent watering if Oct turns dry.

Against the rest of IN

65th most drought-prone of 92 IN counties; the IN middle is 1.5 in 10. Closest on the list: Decatur County (1.2 in 10) and Rush County (1.2 in 10). Driest in IN: LaGrange County (3.5 in 10). Least drought: Floyd County (0.4 in 10).

When in the year it hits

Most often in Oct (16% of weeks), then Sep (16%) and Nov (13%). Least in Mar (0%). May to September averages 8%.

  1. 8 Jan
  2. 5 Feb
  3. 0 Mar
  4. 2 Apr
  5. 3 May
  6. 4 Jun
  7. 8 Jul
  8. 10 Aug
  9. 16 Sep
  10. 16 Oct
  11. 13 Nov
  12. 7 Dec

The worst year: 2012

2012: 17 weeks in drought, peaking at D4 exceptional. Across 1,401 weekly maps: 7.6% of all weeks at D1 or worse, 2.1% at D2, 0.6% at D3, 3 weeks with some of the county in D4. Longest unbroken spell: 18 weeks, Sep 26, 2023 to Jan 23, 2024.

Lately

Last drought year: 2023, 17 weeks. 2016-2025: 1 in 10, against 1.3 in 10 for 2000-2015, about the same. So far in 2026: 0 of 44 weeks in drought, through Nov 3, 2026.

Further reading

Johnson County lands on the plan covered in keeping a regular lawn. Its worst year, 2012, was one of the worst nationally too; see the worst years since 2000. How each of Johnson County's 1,401 weeks was judged: how drought is counted.