Drought in Washington County, PA: 0.8 years in 10 since 2000
0.8 years in 10
Washington County, PA: 2 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.
- 0
- 1
- 3
- 0
- 0
- 1
- 0
- 1
- 0
- 3
- 0
- 0
- 3
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- 9
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- 26
- 13
20002025
Drought years: 2024 (26 wk) and 2025 (13 wk). Not a single drought week in 2000, 2003, 2004, 2006, 2008, 2010, 2011, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 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 Oct turns dry.
Drought has been more common in 2016-2025 (2 years in 10) than in 2000-2015 (0 in 10).
Against the rest of PA
37th most drought-prone of 67 PA counties; the PA middle is 0.8 in 10. Closest on the list: Centre County (0.8 in 10) and Venango County (0.8 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 Oct (12% of weeks), then Sep (10%) and Aug (8%). Least in Apr (0%). May to September averages 5%.
- 3 Jan
- 2 Feb
- 0 Mar
- 0 Apr
- 1 May
- 2 Jun
- 7 Jul
- 8 Aug
- 10 Sep
- 12 Oct
- 4 Nov
- 4 Dec
The worst year: 2024
2024: 26 weeks in drought, peaking at D3 extreme. Across 1,401 weekly maps: 4.4% of all weeks at D1 or worse, 0.4% at D2, 0.1% at D3, never any D4. Longest unbroken spell: 32 weeks, Jul 9, 2024 to Feb 11, 2025.
Lately
Last drought year: 2025, 13 weeks. 2016-2025: 2 in 10, against 0 in 10 for 2000-2015, drier lately. So far in 2026: 0 of 44 weeks in drought, through Nov 3, 2026.
Further reading
Washington 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 Washington County's 1,401 weeks was judged: how drought is counted.