Drought in Sullivan County, NY: 0.4 years in 10 since 2000
0.4 years in 10
Sullivan County, NY: 1 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.
- 0
- 5
- 13
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- 11
- 11
- 0
- 0
- 0
- 0
- 0
- 0
- 9
- 0
20002025
Drought years: 2002 (13 wk). Not a single drought week in 2000, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2018, 2019, 2020, 2021, 2022, 2023 and 2025.
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 Nov turns dry.
Against the rest of NY
46th most drought-prone of 62 NY counties; the NY middle is 0.8 in 10. Closest on the list: Jefferson County (0.4 in 10) and Cortland County (0.4 in 10). Driest in NY: Rockland County (2.3 in 10). Least drought: Otsego County (0 in 10).
When in the year it hits
Most often in Nov (11% of weeks), then Dec (8%) and Feb (7%). Least in Sep (0%). May to September averages 0%.
- 5 Jan
- 7 Feb
- 5 Mar
- 3 Apr
- 2 May
- 0 Jun
- 0 Jul
- 0 Aug
- 0 Sep
- 2 Oct
- 11 Nov
- 8 Dec
The worst year: 2002
2002: 13 weeks in drought, peaking at D2 severe. Across 1,401 weekly maps: 3.5% of all weeks at D1 or worse, 1.4% at D2, never any D4. Longest unbroken spell: 22 weeks, Oct 18, 2016 to Mar 14, 2017.
Lately
Last drought year: 2002, 13 weeks. 2016-2025: 0 in 10, against 0.6 in 10 for 2000-2015, about the same. So far in 2026: 0 of 44 weeks in drought, through Nov 3, 2026.
Further reading
Sullivan 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 Sullivan County's 1,401 weeks was judged: how drought is counted.