Plant City, FL rainwater: 44,597 gallons off a roof
How much rain a roof in Plant City, FL collects
44,597gallons a year
That is a 1,500 sq ft asphalt roof under Plant City, FL's normal 56.1 inches of rain, about 795 gallons for every inch that falls.
In Plant City, FL a single barrel does most of the work. Storms come often enough that a small tank refills before it runs dry, and a bigger one would mostly sit full.
Rainfall: NOAA 1991-2020 climate normals, the Plant City station (1.3 mi away). Plant City, FL ranks 85th wettest of the 173 cities covered in Florida.
Month by month in Plant City
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 3.00 | 2,384 | |
| Feb | 2.33 | 1,852 | |
| Mar | 2.78 | 2,210 | |
| Apr | 2.88 | 2,289 | 183 |
| May | 4.04 | 3,211 | 39 |
| Jun | 9.71 | 7,718 | |
| Jul | 8.65 | 6,875 | |
| Aug | 8.85 | 7,034 | |
| Sep | 6.99 | 5,556 | |
| Oct | 2.58 | 2,051 | 221 |
| Nov | 1.76 | 1,399 | |
| Dec | 2.54 | 2,019 |
Jun is the wettest month (9.71 in, 7,718 gal off the roof); Nov the driest (1.76 in). Garden shortfall is what a 200 sq ft vegetable bed needs beyond the rain that lands on it, April to October.
Which tank size is worth it in Plant City
Best fit: one 55-gallon barrel, which delivers about 376 gallons to the garden in a normal year (85.0% of its need).
Before you buy, a 55-gallon barrel with a downspout diverter is the whole job. Check that the overflow points away from your foundation, because most of Plant City's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 376 | 43,020 |
| 110 gal | 376 | 43,020 |
| 165 gal | 376 | 43,020 |
| 275 gal | 376 | 43,020 |
| 550 gal | 376 | 43,020 |
| 1,000 gal | 376 | 43,020 |
| 1,500 gal | 376 | 43,020 |
| 2,500 gal | 376 | 43,020 |
| 5,000 gal | 376 | 43,020 |
Simulated storm by storm through a normal year using the station's count of days with 0.1 in or more of rain each month.
Is rainwater collection legal in Florida?
Legal. Florida approves onsite non-potable use of rainwater for landscape irrigation, vehicle washing, filling pools and fountains and, in some local jurisdictions, toilet/urinal flushing (Florida Plumbing Code). No state storage cap or registration for non-potable collection.
Checked against the current source on 2026-11-06. Source