DroughtOdds

Drought in Henderson County, TN: 1.9 years in 10 since 2000

1.9 years in 10

Henderson County, TN: 5 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

  1. 36
  2. 11
  3. 0
  4. 0
  5. 0
  6. 2
  7. 6
  8. 26
  9. 0
  10. 0
  11. 12
  12. 6
  13. 23
  14. 0
  15. 0
  16. 2
  17. 8
  18. 0
  19. 0
  20. 0
  21. 5
  22. 0
  23. 15
  24. 11
  25. 16
  26. 6

20002025

Drought years: 2000 (36 wk), 2007 (26 wk), 2012 (23 wk), 2022 (15 wk) and 2024 (16 wk). Not a single drought week in 2002, 2003, 2004, 2008, 2009, 2013, 2014, 2017, 2018, 2019 and 2021.

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 Nov turns dry.

Against the rest of TN

73rd most drought-prone of 95 TN counties; the TN middle is 2.3 in 10. Closest on the list: Wayne County (1.9 in 10) and McNairy County (1.9 in 10). Driest in TN: Bradley County (3.8 in 10). Least drought: Robertson County (1.2 in 10).

When in the year it hits

Most often in Nov (24% of weeks), then Oct (23%) and Dec (19%). Least in Apr (3%). May to September averages 15%.

  1. 18 Jan
  2. 16 Feb
  3. 9 Mar
  4. 3 Apr
  5. 13 May
  6. 10 Jun
  7. 14 Jul
  8. 19 Aug
  9. 18 Sep
  10. 23 Oct
  11. 24 Nov
  12. 19 Dec

The worst year: 2000

2000: 36 weeks in drought, peaking at D3 extreme. Across 1,401 weekly maps: 15.4% of all weeks at D1 or worse, 6.5% at D2, 2.1% at D3, 5 weeks with some of the county in D4. Longest unbroken spell: 31 weeks, Jul 18, 2000 to Feb 13, 2001.

Lately

Last drought year: 2024, 16 weeks. 2016-2025: 2 in 10, against 1.9 in 10 for 2000-2015, about the same. So far in 2026: 31 of 44 weeks in drought, through Nov 3, 2026.

Further reading

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