Drought in Toa Baja Municipio, PR: 0.4 years in 10 since 2000

0.4 years in 10

Toa Baja Municipio, PR: 1 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

1. 9
2. 0
3. 0
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. 18
17. 0
18. 0
19. 0
20. 0
21. 7
22. 0
23. 5
24. 0
25. 0
26. 0

20002025

Drought years: 2015 (18 wk). Not a single drought week in 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2016, 2017, 2018, 2019, 2021, 2023, 2024 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 Jul turns dry.

Against the rest of PR

51st most drought-prone of 78 PR counties; the PR middle is 0.4 in 10. Closest on the list: Culebra Municipio (0.4 in 10) and Morovis Municipio (0.4 in 10). Driest in PR: Salinas Municipio (2.7 in 10). Least drought: Mayaguez Municipio (0 in 10).

When in the year it hits

Most often in Jul (13% of weeks), then Sep (11%) and Aug (10%). Least in Dec (0%). May to September averages 8%.

1. 0 Jan
2. 0 Feb
3. 0 Mar
4. 0 Apr
5. 0 May
6. 8 Jun
7. 13 Jul
8. 10 Aug
9. 11 Sep
10. 5 Oct
11. 0 Nov
12. 0 Dec

The worst year: 2015

2015: 18 weeks in drought, peaking at D3 extreme. Across 1,401 weekly maps: 3.9% of all weeks at D1 or worse, 1.5% at D2, never any D4. Longest unbroken spell: 18 weeks, Jun 30, 2015 to Oct 27, 2015.

Lately

Last drought year: 2015, 18 weeks. 2016-2025: 0 in 10, against 0.6 in 10 for 2000-2015, about the same. So far in 2026: 16 of 44 weeks in drought, through Nov 3, 2026.

Further reading

Toa Baja Municipio lands on the plan covered in keeping a regular lawn. Its worst year, 2015, was not one of the big national drought years; see the worst years since 2000. How each of Toa Baja Municipio's 1,401 weeks was judged: how drought is counted.