DroughtOdds

Drought in Chittenden County, VT: 0.4 years in 10 since 2000

0.4 years in 10

Chittenden County, VT: 1 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

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

20002025

Drought years: 2016 (16 wk). Not a single drought week in 2000, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2019, 2020, 2022, 2023 and 2024.

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 Sep turns dry.

Against the rest of VT

14th most drought-prone of 14 VT counties; the VT middle is 1.5499999999999998 in 10. Closest on the list: Grand Isle County (0.4 in 10). Driest in VT: Windsor County (2.7 in 10).

When in the year it hits

Most often in Sep (10% of weeks), then Oct (10%) and Nov (10%). Least in Jun (0%). May to September averages 4%.

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

The worst year: 2016

2016: 16 weeks in drought, peaking at D2 severe. Across 1,401 weekly maps: 4.6% of all weeks at D1 or worse, 0.9% at D2, never any D4. Longest unbroken spell: 24 weeks, Sep 13, 2016 to Feb 21, 2017.

Lately

Last drought year: 2016, 16 weeks. 2016-2025: 1 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

Chittenden County lands on the plan covered in keeping a regular lawn. Its worst year, 2016, was not one of the big national drought years; see the worst years since 2000. How each of Chittenden County's 1,401 weeks was judged: how drought is counted.