DroughtOdds

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

1.2 years in 10

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

  1. 0
  2. 15
  3. 31
  4. 0
  5. 0
  6. 4
  7. 1
  8. 5
  9. 0
  10. 0
  11. 9
  12. 4
  13. 0
  14. 0
  15. 0
  16. 0
  17. 2
  18. 0
  19. 0
  20. 0
  21. 0
  22. 0
  23. 0
  24. 5
  25. 13
  26. 10

20002025

Drought years: 2001 (15 wk), 2002 (31 wk) and 2024 (13 wk). Not a single drought week in 2000, 2003, 2004, 2008, 2009, 2012, 2013, 2014, 2015, 2017, 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 Aug turns dry.

Against the rest of PA

11th most drought-prone of 67 PA counties; the PA middle is 0.8 in 10. Closest on the list: Montgomery County (1.2 in 10) and Fulton 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 Aug (15% of weeks), then Jul (14%) and Apr (12%). Least in Oct (5%). May to September averages 11%.

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

The worst year: 2002

2002: 31 weeks in drought, peaking at D3 extreme. Across 1,401 weekly maps: 9.4% of all weeks at D1 or worse, 2.9% at D2, never any D4. Longest unbroken spell: 36 weeks, Dec 9, 2025 to Aug 11, 2026.

Lately

Last drought year: 2024, 13 weeks. 2016-2025: 1 in 10, against 1.3 in 10 for 2000-2015, about the same. So far in 2026: 32 of 44 weeks in drought, through Nov 3, 2026.

Further reading

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