Drought in Guayama Municipio, PR: 1.5 years in 10 since 2000

1.5 years in 10

Guayama Municipio, PR: 4 of 26 full years had 13+ weeks in drought. Less drought-prone than most US counties.

1. 0
2. 0
3. 0
4. 0
5. 0
6. 10
7. 0
8. 13
9. 9
10. 0
11. 0
12. 0
13. 0
14. 0
15. 4
16. 35
17. 45
18. 2
19. 0
20. 8
21. 8
22. 25
23. 8
24. 2
25. 2
26. 1

20002025

Drought years: 2007 (13 wk), 2015 (35 wk), 2016 (45 wk) and 2021 (25 wk). Not a single drought week in 2000, 2001, 2002, 2003, 2004, 2006, 2009, 2010, 2011, 2012, 2013 and 2018.

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 Aug turns dry.

Against the rest of PR

6th most drought-prone of 78 PR counties; the PR middle is 0.4 in 10. Closest on the list: Aibonito Municipio (1.9 in 10) and Coamo Municipio (1.5 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 Aug (27% of weeks), then Jul (21%) and Jun (20%). Least in Nov (5%). May to September averages 20%.

1. 10 Jan
2. 8 Feb
3. 11 Mar
4. 10 Apr
5. 13 May
6. 20 Jun
7. 21 Jul
8. 27 Aug
9. 19 Sep
10. 9 Oct
11. 5 Nov
12. 8 Dec

The worst year: 2016

2016: 45 weeks in drought, peaking at D3 extreme. Across 1,401 weekly maps: 13.6% of all weeks at D1 or worse, 4.2% at D2, 2.2% at D3, never any D4. Longest unbroken spell: 80 weeks, May 5, 2015 to Nov 8, 2016.

Lately

Last drought year: 2021, 25 weeks. 2016-2025: 2 in 10, against 1.3 in 10 for 2000-2015, about the same. So far in 2026: 18 of 44 weeks in drought, through Nov 3, 2026.

Further reading

Guayama Municipio 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 Guayama Municipio's 1,401 weeks was judged: how drought is counted.