DroughtOdds

Drought in York County, PA: 1.2 years in 10 since 2000

1.2 years in 10

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

  1. 0
  2. 11
  3. 42
  4. 0
  5. 0
  6. 2
  7. 1
  8. 3
  9. 0
  10. 0
  11. 0
  12. 0
  13. 0
  14. 0
  15. 0
  16. 0
  17. 7
  18. 16
  19. 0
  20. 0
  21. 0
  22. 0
  23. 0
  24. 8
  25. 11
  26. 21

20002025

Drought years: 2002 (42 wk), 2017 (16 wk) and 2025 (21 wk). Not a single drought week in 2000, 2003, 2004, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2018, 2019, 2020, 2021 and 2022.

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 Apr turns dry.

Against the rest of PA

6th most drought-prone of 67 PA counties; the PA middle is 0.8 in 10. Closest on the list: Chester County (1.2 in 10) and Berks County (1.2 in 10). Driest in PA: Adams County (1.9 in 10). Least drought: Susquehanna County (0 in 10).

When in the year it hits

Most often in Apr (17% of weeks), then Jan (15%) and Feb (15%). Least in Sep (4%). May to September averages 8%.

  1. 15 Jan
  2. 15 Feb
  3. 14 Mar
  4. 17 Apr
  5. 11 May
  6. 10 Jun
  7. 10 Jul
  8. 6 Aug
  9. 4 Sep
  10. 9 Oct
  11. 10 Nov
  12. 12 Dec

The worst year: 2002

2002: 42 weeks in drought, peaking at D3 extreme. Across 1,401 weekly maps: 11.1% of all weeks at D1 or worse, 3.4% at D2, 1.1% at D3, never any D4. Longest unbroken spell: 34 weeks, Dec 30, 2025 to Aug 18, 2026.

Lately

Last drought year: 2025, 21 weeks. 2016-2025: 2 in 10, against 0.6 in 10 for 2000-2015, about the same. So far in 2026: 33 of 44 weeks in drought, through Nov 3, 2026.

Further reading

York County lands on the plan covered in keeping a regular lawn. Its worst year, 2002, was not one of the big national drought years; see the worst years since 2000. How each of York County's 1,401 weeks was judged: how drought is counted.