Drought in Delaware County, OH: 0 years in 10 since 2000

0 years in 10

Delaware County, OH: 0 of 26 full years had 13+ weeks in drought. No full-season drought since 2000.

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

20002025

No year reached the drought line. Not a single drought week in 2001, 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011, 2013, 2014, 2015, 2016, 2017, 2018, 2020 and 2021.

A regular lawn is fine here

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 OH

86th most drought-prone of 88 OH counties; the OH middle is 0.8 in 10. Closest on the list: Trumbull County (0 in 10) and Lake County (0 in 10). Driest in OH: Williams County (2.7 in 10). Least drought: Ashtabula County (0 in 10).

When in the year it hits

Most often in Sep (10% of weeks), then Oct (9%) and Aug (8%). Least in May (0%). May to September averages 6%.

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

The worst year: 2024

2024: 12 weeks in drought, peaking at D3 extreme. Across 1,401 weekly maps: 4.1% of all weeks at D1 or worse, 0.5% at D2, never any D4. Longest unbroken spell: 12 weeks, Sep 3, 2024 to Nov 19, 2024.

Lately

No drought year on record. 2016-2025: 0 in 10, against 0 in 10 for 2000-2015, about the same. So far in 2026: 0 of 44 weeks in drought, through Nov 3, 2026.

Further reading

Delaware County lands on the plan covered in keeping a regular lawn. Its worst year, 2024, was not one of the big national drought years; see the worst years since 2000. How each of Delaware County's 1,401 weeks was judged: how drought is counted.