Ocoee, FL rainwater: 42,633 gallons off a roof
How much rain a roof in Ocoee, FL collects
42,633gallons a year
That is a 1,500 sq ft asphalt roof under Ocoee, FL's normal 53.6 inches of rain, about 795 gallons for every inch that falls.
In Ocoee, 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 Orlando W station (4.9 mi away). Ocoee, FL ranks 118th wettest of the 173 cities covered in Florida.
Month by month in Ocoee
| Month | Rain (in) | Off the roof (gal) | Garden shortfall (gal) |
|---|---|---|---|
| Jan | 2.97 | 2,361 | |
| Feb | 2.34 | 1,860 | |
| Mar | 3.17 | 2,520 | |
| Apr | 3.08 | 2,448 | 158 |
| May | 4.22 | 3,354 | 16 |
| Jun | 8.14 | 6,470 | |
| Jul | 7.65 | 6,080 | |
| Aug | 7.81 | 6,207 | |
| Sep | 6.02 | 4,785 | |
| Oct | 3.75 | 2,981 | 75 |
| Nov | 2.06 | 1,637 | |
| Dec | 2.43 | 1,931 |
Jun is the wettest month (8.14 in, 6,470 gal off the roof); Nov the driest (2.06 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 Ocoee
Best fit: one 55-gallon barrel, which delivers about 214 gallons to the garden in a normal year (85.8% of its need).
If you set one up, a 55-gallon barrel with a downspout diverter is the whole job. Check that the overflow points away from your foundation, because most of Ocoee's roof water will pass straight through it.
| Tank | Water used (gal/yr) | Spills over (gal/yr) |
|---|---|---|
| 55 gal | 214 | 41,265 |
| 110 gal | 214 | 41,265 |
| 165 gal | 214 | 41,265 |
| 275 gal | 214 | 41,265 |
| 550 gal | 214 | 41,265 |
| 1,000 gal | 214 | 41,265 |
| 1,500 gal | 214 | 41,265 |
| 2,500 gal | 214 | 41,265 |
| 5,000 gal | 214 | 41,265 |
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