RoofRainYield

Heber, UT rainwater: 11,978 gallons off a roof

Heber, UT: gallons off the roof each year

11,978gallons a year

That is a 1,500 sq ft asphalt roof under Heber, UT's normal 15.1 inches of rain, about 795 gallons for every inch that falls.

Heber, UT has gaps between storms long enough to drain a single barrel. Around 165 gallons of storage catches most of what is worth catching.

Rainfall: NOAA 1991-2020 climate normals, the Heber station (4.0 mi away). Heber, UT ranks 58th wettest of the 67 cities covered in Utah.

Month by month in Heber

MonthRain (in)Off the roof (gal)Garden shortfall (gal)
Jan1.861,478
Feb1.721,367
Mar1.17930
Apr1.391,105369
May1.401,113368
Jun0.87691434
Jul0.53421476
Aug0.84668438
Sep1.24986388
Oct1.301,033380
Nov1.13898
Dec1.621,288

Jan is the wettest month (1.86 in, 1,478 gal off the roof); Jul the driest (0.53 in). Garden shortfall is what a 200 sq ft vegetable bed needs beyond the rain that lands on it, April to October.

What size rain barrel for Heber

Best fit: 3 linked 55-gallon barrels, which delivers about 2,460 gallons to the garden in a normal year (86.2% of its need).

Before you buy, link barrels with a short hose at the base so they fill and drain together, and check the overflow points away from the house.

TankWater used (gal/yr)Spills over (gal/yr)
55 gal1,3399,964
110 gal2,1839,120
165 gal2,4608,842
275 gal2,5398,763
550 gal2,5398,763
1,000 gal2,5398,763
1,500 gal2,5398,763
2,500 gal2,5398,763
5,000 gal (over cap)2,5398,763

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 Utah?

Up to 2 covered containers of max 100 gal each with no registration; with free registration at the Utah Division of Water Rights, total storage up to 2,500 gal. Use limited to the same parcel where captured.

Checked against the current source on 2026-11-06. Source