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

1.5 years in 10

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

20002025

Drought years: 2015 (31 wk), 2016 (17 wk), 2019 (35 wk) and 2022 (13 wk). Not a single drought week in 2000, 2001, 2003, 2004, 2005, 2006, 2009, 2010, 2011, 2012, 2013, 2014, 2017, 2018, 2021, 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 Jul turns dry.

Drought has been more common in 2016-2025 (3 years in 10) than in 2000-2015 (0.6 in 10).

Against the rest of PR

8th most drought-prone of 78 PR counties; the PR middle is 0.4 in 10. Closest on the list: Coamo Municipio (1.5 in 10) and Arroyo 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 Jul (19% of weeks), then Aug (18%) and Jun (15%). Least in May (3%). May to September averages 13%.

10 Jan
11 Feb
11 Mar
9 Apr
3 May
15 Jun
19 Jul
18 Aug
10 Sep
7 Oct
5 Nov
5 Dec

The worst year: 2019

2019: 35 weeks in drought, peaking at D2 severe. Across 1,401 weekly maps: 10.1% of all weeks at D1 or worse, 2.9% at D2, never any D4. Longest unbroken spell: 48 weeks, Jun 2, 2015 to Apr 26, 2016.

Lately

Last drought year: 2022, 13 weeks. 2016-2025: 3 in 10, against 0.6 in 10 for 2000-2015, drier lately. So far in 2026: 19 of 44 weeks in drought, through Nov 3, 2026.