rain gauge
Launch itA $3.5M/yr market growing +150.1% this quarter with returns at 0.7% — clears our launch bar.
Returns
Incredible0.7%return rate — above 6% kills the launch gate
Market size
Incredible$3.5M$3.5M/yr · 2.5M searches
Growth
Incredible+150.1%90-day search growth — must beat 0% to launch
Avg price
Great$17.20avg listing price — sweet spot $15–$100
Conversion
Great8.1%search→purchase rate — share of searches ending in a sale
Price range
Good$5.93–$38.36cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Review moat
Okay3,102.13avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, rain gauge is a $3.5M/yr Amazon United States market (2.5M searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Launch it — 72/100.
Data updated Jul 15, 2026 · scored weekly · How we score niches
Market data
- Units sold / yr
- 200K–250K
- avg 8,000–10,000/product
- Revenue / yr
- $3.4M–$4.3M
- units × avg price
- Launch success
- —
- 2 of 2 new (360d)
- Conversion rate
- 8.1%
- Avg BSR
- #16
- Page quality
- 0%
- Prime
- 91%
- Sponsored
- 96%
- Out of stock
- 0.0%
- Avg brand age
- 50 months
- Avg seller age
- 169 days
Competition
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
14 falling
Sellers
58
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
59%
Top 20: 96%
Open market
19%
- AcuRite29%
- JMBay25%
- HOBYLUBY8%
- WondMall7%
- Headwind6%
- BIUWING5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +150.1% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 6.7×
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
AcuRite 5 Capacity Easy-to-Read Magnifying Rain Gauge Acrylic (00850A3)
AcuRite$5.934.6★32,534 rev
JMBay Rain Gauge Outdoor Accurate rain gauges Outdoors Best Rated Tall rain Gauge for Yard with Stake Decorative rain Measure Gauge for Garden Deck Lawn with red Floating Buoy Adjustable Height
JMBay$11.014.5★4,955 rev
WondMall Rain Gauge Outdoor 7 Rain Gauges Outdoors Best Rated with Metal Rack Holder Rain Measure Gauge Easy to Read with Red Float Large Font Plastic Replacement Tube for Yard Garden
WondMall$15.904.7★289 rev
HOBYLUBY Rain Gauge Outdoor 7 Inch Rain Gauges for Measuring Precipitation
HOBYLUBY$15.994.6★1,360 rev
Headwind EZRead 26 Giant Professional Outdoor rain Gauge USA Made Heavy Duty All Weather Freeze Proof mountable with Float Hunter Green (820-0019)
Headwind$23.844.7★5,574 rev
Newest
by launch date
YZDTECH Rain Gauge Outdoor Accurate Rain Gauges Outdoors Best Rated with Metal Rack Holder Large Water Gauge with Red Float Water Rain Meter with Thickened Plastic Large Font Tube for Yard Garden
YZDTECH$16.0549 rev
RASKOO Upgraded Rain Gauge Really Freeze Proof Rain Gauge Outdoor Best Rated Large Clear Numbers Rain Gauges for Yard with Stake Adjustable Height Rain Measuring Tool for Garden Lawn Easy to Use
RASKOO$11.19105 rev
WondMall Rain Gauge Outdoor 7 Rain Gauges Outdoors Best Rated with Metal Rack Holder Rain Measure Gauge Easy to Read with Red Float Large Font Plastic Replacement Tube for Yard Garden
WondMall$15.90289 rev
WondMall Rain Gauge Outdoor Accurate Rain Gauges Outdoors Best Rated with Metal Rack Holder Water Rain Meter with Thickened Plastic Large Font Tube for Yard Easy to Read with Red Float
WondMall$14.55154 rev
ESTTOP Flower Rain Gauge Outdoor 5 Inch Glass Tube Freeez-Proof Metal Stake Weather-Resistant Rain Gauge-Lawn and Garden Yard Decor for Accurate Precipitation Measurement
ESTTOP$11.13183 rev
Trending
90-day click momentumYZDTECH Rain Gauge Outdoor Accurate Rain Gauges Outdoors Best Rated with Metal Rack Holder Large Water Gauge with Red Float Water Rain Meter with Thickened Plastic Large Font Tube for Yard Garden
YZDTECH$16.054.9★
RASKOO Upgraded Rain Gauge Really Freeze Proof Rain Gauge Outdoor Best Rated Large Clear Numbers Rain Gauges for Yard with Stake Adjustable Height Rain Measuring Tool for Garden Lawn Easy to Use
RASKOO$11.194.6★
Headwind EZRead 26 Giant Professional Outdoor rain Gauge USA Made Heavy Duty All Weather Freeze Proof mountable with Float Yellow (820-0018)
Headwind$23.844.7★
WondMall Rain Gauge Outdoor 7 Rain Gauges Outdoors Best Rated with Metal Rack Holder Rain Measure Gauge Easy to Read with Red Float Large Font Plastic Replacement Tube for Yard Garden
WondMall$15.904.7★
RYOEIKT Rain Gauge Upgraded 7 Freeze Proof Thickened Rain Gauge Outdoor Best Rated Large Clear Numbers and Adjustable Height Rain Measuring Tool for Garden Yard Lawn Patio and Farm Use
RYOEIKT$12.464.2★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Easy To Read”
“Very accurate”
“Great product just as described”
“As advertised”
“Easy to Install”
“Durable water gauge”
“Excellent Value”
“Sturdy build”
“Perfect size”
“Very well built”
What buyers complain about
“Cracks Easily”
“Inaccurate”
“Absolute garbage”
“Little short”
“They didn't hold water”
“Bad Advertising”
“Leaks”
“Flimsy”
“Never worked”
“Disappointing considering the price”
Top return reasons
Common questions
- Is rain gauge profitable to sell on Amazon United States?
- The niche generates $3.5M/yr across 23 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +150.1%. Flapen's verdict: Launch it (72/100).
- How competitive is the rain gauge niche?
- 14 brands and 58 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in rain gauge?
- Top complaints mined from reviews: Durability, Measurement/Reading Accuracy, Quality-Overall. The return rate is 0.7%.
- When does demand for rain gauge peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 6.7× the quietest.
- What does it cost to enter the rain gauge niche?
- Listings span $5.93–$38.36; the average listing price is $17.20 (sweet spot $15–$100). The average incumbent carries 3,102 reviews — the moat a new listing must climb.
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