DroughtOdds

Drought in Baltimore County, MD: 1.5 years in 10 since 2000

1.5 years in 10

Baltimore County, MD: 4 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

  1. 0
  2. 11
  3. 46
  4. 0
  5. 0
  6. 3
  7. 3
  8. 7
  9. 0
  10. 4
  11. 1
  12. 2
  13. 5
  14. 0
  15. 0
  16. 0
  17. 6
  18. 22
  19. 6
  20. 4
  21. 0
  22. 0
  23. 0
  24. 13
  25. 9
  26. 28

20002025

Drought years: 2002 (46 wk), 2017 (22 wk), 2023 (13 wk) and 2025 (28 wk). Not a single drought week in 2000, 2003, 2004, 2008, 2013, 2014, 2015, 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.

Drought has been more common in 2016-2025 (3 years in 10) than in 2000-2015 (0.6 in 10).

Against the rest of MD

16th most drought-prone of 24 MD counties; the MD middle is 1.9 in 10. Closest on the list: Charles County (1.9 in 10) and Talbot County (1.5 in 10). Driest in MD: Wicomico County (3.1 in 10). Least drought: Garrett County (1.2 in 10).

When in the year it hits

Most often in Apr (23% of weeks), then Jan (19%) and Dec (17%). Least in Sep (6%). May to September averages 11%.

  1. 19 Jan
  2. 16 Feb
  3. 16 Mar
  4. 23 Apr
  5. 14 May
  6. 15 Jun
  7. 12 Jul
  8. 9 Aug
  9. 6 Sep
  10. 13 Oct
  11. 13 Nov
  12. 17 Dec

The worst year: 2002

2002: 46 weeks in drought, peaking at D4 exceptional. Across 1,401 weekly maps: 14.4% of all weeks at D1 or worse, 4.6% at D2, 1.5% at D3, 1 weeks with some of the county in D4. Longest unbroken spell: 55 weeks, Oct 30, 2001 to Nov 12, 2002.

Lately

Last drought year: 2025, 28 weeks. 2016-2025: 3 in 10, against 0.6 in 10 for 2000-2015, drier lately. So far in 2026: 31 of 44 weeks in drought, through Nov 3, 2026.

Further reading

Baltimore County lands on the plan covered in keeping a regular lawn. Its last ten years ran drier than the ten before; what that does and does not mean. How each of Baltimore County's 1,401 weeks was judged: how drought is counted.