DroughtOdds

Drought in Union County, KY: 1.2 years in 10 since 2000

1.2 years in 10

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

  1. 0
  2. 12
  3. 10
  4. 0
  5. 0
  6. 0
  7. 0
  8. 15
  9. 0
  10. 0
  11. 17
  12. 0
  13. 28
  14. 0
  15. 0
  16. 0
  17. 6
  18. 0
  19. 0
  20. 5
  21. 0
  22. 0
  23. 11
  24. 6
  25. 7
  26. 3

20002025

Drought years: 2007 (15 wk), 2010 (17 wk) and 2012 (28 wk). Not a single drought week in 2000, 2003, 2004, 2005, 2006, 2008, 2009, 2011, 2013, 2014, 2015, 2017, 2018, 2020 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 Sep turns dry.

Against the rest of KY

92nd most drought-prone of 120 KY counties; the KY middle is 1.2 in 10. Closest on the list: Nicholas County (1.2 in 10) and Harrison County (1.2 in 10). Driest in KY: Calloway County (2.3 in 10). Least drought: Grant County (0.4 in 10).

When in the year it hits

Most often in Sep (20% of weeks), then Oct (17%) and Nov (13%). Least in Feb (0%). May to September averages 13%.

  1. 2 Jan
  2. 0 Feb
  3. 1 Mar
  4. 7 Apr
  5. 8 May
  6. 10 Jun
  7. 13 Jul
  8. 13 Aug
  9. 20 Sep
  10. 17 Oct
  11. 13 Nov
  12. 4 Dec

The worst year: 2012

2012: 28 weeks in drought, peaking at D4 exceptional. Across 1,401 weekly maps: 8.9% of all weeks at D1 or worse, 3.2% at D2, 1.3% at D3, 6 weeks with some of the county in D4. Longest unbroken spell: 26 weeks, May 15, 2012 to Nov 6, 2012.

Lately

Last drought year: 2012, 28 weeks. 2016-2025: 0 in 10, against 1.9 in 10 for 2000-2015, about the same. So far in 2026: 5 of 44 weeks in drought, through Nov 3, 2026.

Further reading

Union 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 Union County's 1,401 weeks was judged: how drought is counted.