rainwater
Worth a lookShows demand growing +123.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Incredible+123.2%90-day search growth — must beat 0% to launch
Avg price
Incredible$44.52avg listing price — sweet spot $15–$100
Brand share
Great42%top-5 brand share — no brand owns this niche
Returns
Great1.4%return rate — above 5% kills the launch gate
Competition
Great35%top-5 click share — an open shelf
Review moat
Good572.47avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Price range
Good$8.26–$179.59cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.3%search→purchase rate — share of searches ending in a sale
Market size
Okay$102K$102K/yr · 99K searches
According to Flapen's Amazon United States niche tracking, rainwater is a $102K/yr Amazon United States market (99K searches/yr). The top 5 brands hold 42% of demand. Demand peaks in Apr–May–Jun. Verdict: Worth a look — 69/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
rainwater market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $89K–$111K
- units × avg price
- Conversion rate
- 2.3%
- Avg BSR
- #84
- Page quality
- 0%
- Prime
- 91%
- Sponsored
- 94%
- Out of stock
- 3.9%
- Avg brand age
- 41 months
- Avg seller age
- 185 days
Competition & brand share
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.Brands
34 rising
Sellers
51
Top-5 brand share
42%
Top 20: 86%
Top-5 click share
35%
Top 20: 71%
Open market
53%
- RTS Home Accents16%
- Tujoe8%
- Musibo6%
- QNFANN6%
- Biggun6%
- OAYAYONI4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +123.2% search growth over the last 90 days.Peak months: Apr, May, Jun · busiest ÷ quietest = 9.3×
Top rainwater search terms
- rain barrel kit88K/yr
- rain barrel accessories7K/yr
- rain barrel parts4K/yr
Top rainwater products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
RTS Home Accents 50-Gallon ECO Rain Barrel Made with 100% Recycled Plastic Flat Back Rain Water Collection Barrel Black
RTS Home Accents$79.834.3★3,583 rev
Tujoe 4 Set Rain Barrel Kit Barrel Spigot Kit 3/4 Mesh Cover with Drawstring PVC Barrel Spigot Brass Faucet Kit Bulkhead Fitting Hose Faucet Adapter Thread Seal Tape for Rain Barrel Water
Tujoe$26.884.4★35 rev
Rain Barrel Diverter Kit Rainwater Collection System with Adjustable Valve and Hose Rain Water Diverter for Downspout Downspout Diverter Fits for Standard Downspouts
QNFANN$33.514.2★115 rev
Mesh Cover for Rain Barrels - 2pcs 39in Rain Barrel Netting with Drawstring Water Collection Buckets Tank Protector Screen for Preventing Fallen Leaves in Outdoor Garden Eaves
Biggun$10.024.6★1,356 rev
PVC Rain Barrel Spigot Kit 3/4 GHT Garden Diverter Kit With Bulkhead Fitting Garden Hose Faucet Thread Ball Valve for Water Adapter Tanks Aquariums Rain Barrel Diverter Kit 2 Pack
VYH$8.994.4★139 rev
Newest
by launch date
2026 Upgraded Rain Barrel Diverter Kit Rainwater Collection System with Built-in Filter Screen Fits 2x3 or 3x4 inch Standard Downspout Includes 3/4 GHT Rain Barrel Spigot 39.37 Hose White
WADEO$28.4718 rev
QTG Rain Barrel Spigot Kit 1/2 GHT Quarter Turn Ball Valve with Bulkhead Fitting Brass Faucet & 28mm Hole Saw for Water Containers & Garden Rainwater Tanks (Brass)
QTG$13.273 rev
Downspout Diverter Diverter for Downspout Rain Barrel Diverter Kit Downspout 3x 4 and 2x 3 Rain Barrel Diverter Kit with Adjustable Valve Diverts Water Into Rain Barrel 4.6ft Hose - White
Binazon$22.0960 rev
Rain Barrel Diverter Kit Rain Barrel Downspout Spigot Diverter Kit for Rectangular Downspouts Include Spigot and Diverter kit Easily Turn Containers into Rain Barrels (with Hole Saw Set)
OAYAYONI$39.1019 rev
PVC Rain Barrel Spigot Kit 3/4 GHT Garden Diverter Kit With Bulkhead Fitting Garden Hose Faucet Thread Ball Valve for Water Adapter Tanks Aquariums Rain Barrel Diverter Kit 2 Pack
VYH$8.99139 rev
Trending
90-day click momentum2026 Upgraded Rain Barrel Diverter Kit Rainwater Collection System with Built-in Filter Screen Fits 2x3 or 3x4 inch Standard Downspout Includes 3/4 GHT Rain Barrel Spigot 39.37 Hose White
WADEO$28.474.4★
QTG Rain Barrel Spigot Kit 1/2 GHT Quarter Turn Ball Valve with Bulkhead Fitting Brass Faucet & 28mm Hole Saw for Water Containers & Garden Rainwater Tanks (Brass)
QTG$13.275.0★
Downspout Diverter Diverter for Downspout Rain Barrel Diverter Kit Downspout 3x 4 and 2x 3 Rain Barrel Diverter Kit with Adjustable Valve Diverts Water Into Rain Barrel 4.6ft Hose - White
Binazon$22.093.5★
Rain Barrel Spigot Brass Faucet Kit for Rain Water Barrel Water Tanks Tubs Pools Etc Turn Ball Valve Rain Barrel Spigot with Bulkhead Fitting Set
Musibo$14.424.4★
Horiznext rain barrel spigot kit 3/4 GHT brass water barrel spigot kit
Horiznext$12.404.6★
What buyers say about rainwater
What buyers praise and complain about, mined from review topics.What buyers love
“Easily assembled”
“Good quality”
“As advertised”
“Great value”
“Perfect fit and easy to install”
“Doesn't leak”
“Great design”
“Easy to use”
“The frame feels sturdy”
“Durable product”
What buyers complain about
“it leaks”
“it fell apart”
“Tubing is poor quality”
“No fit”
“Screens for Collection Design Flaw”
“Cheap materials”
“Barely any water coming through”
“instructions were vague”
“Not worth the price”
“DOES NOT WORK”
Top return reasons
Common questions
- Is rainwater profitable to sell on Amazon United States?
- The niche generates $102K/yr across 47 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is +123.2%. Flapen's verdict: Worth a look (69/100).
- How competitive is the rainwater niche?
- 34 brands and 51 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 42% of demand.
- What do buyers complain about in rainwater?
- Top complaints mined from reviews: Leak-Proof, Durability, Quality-Overall. The return rate is 1.4%.
- When does demand for rainwater peak?
- Demand peaks in Apr–May–Jun; the busiest month runs 9.3× the quietest.
- What does it cost to enter the rainwater niche?
- Listings span $8.26–$179.59; the average listing price is $44.52 (sweet spot $15–$100). The average incumbent carries 572 reviews — the moat a new listing must climb.