DroughtOdds

Drought in Charles County, MD: 1.9 years in 10 since 2000

1.9 years in 10

Charles County, MD: 5 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

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

20002025

Drought years: 2002 (46 wk), 2007 (21 wk), 2012 (17 wk), 2023 (16 wk) and 2025 (18 wk). Not a single drought week in 2000, 2003, 2004, 2013, 2014, 2015, 2016, 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 Jan turns dry.

Against the rest of MD

15th most drought-prone of 24 MD counties; the MD middle is 1.9 in 10. Closest on the list: Howard County (1.9 in 10) and Baltimore 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 Jan (19% of weeks), then Jul (19%) and Apr (19%). Least in Nov (8%). May to September averages 14%.

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

The worst year: 2002

2002: 46 weeks in drought, peaking at D4 exceptional. Across 1,401 weekly maps: 14.9% of all weeks at D1 or worse, 6.2% at D2, 0.6% at D3, 2 weeks with some of the county in D4. Longest unbroken spell: 52 weeks, Nov 20, 2001 to Nov 12, 2002.

Lately

Last drought year: 2025, 18 weeks. 2016-2025: 2 in 10, against 1.9 in 10 for 2000-2015, about the same. So far in 2026: 31 of 44 weeks in drought, through Nov 3, 2026.

Further reading

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