Best Anemometers in the UK: Where to Buy Accurate Wind Speed Meters

Why an anemometer might be the smartest buy you make this season

Have you ever wondered exactly how strong the wind was during that wild storm, or whether a gentle breeze is enough for your sail outing? An anemometer gives you a clear number — wind speed in mph — instead of guessing. Whether you're tuning model aircraft, securing garden furniture, or monitoring conditions for rooftop work, a reliable anemometer turns guesswork into data you can act on. Think of it as your personal weather detective: small, portable, and surprisingly handy.

Types of anemometers explained in plain language

Cup and vane anemometers

Cup and vane models are the classic, mechanical type: cups spin in the wind and a vane keeps the unit pointed into the breeze. They're robust and give good readings for steady winds, often measuring from a few mph up to 100+ mph depending on the design. If you like analog simplicity with no fancy menus, this style is like the reliable pickup truck of anemometers — built to last and easy to use.

Hot-wire anemometers

Hot-wire instruments measure wind speed by sensing how the flow cools a heated wire. These are extremely sensitive, great for low-wind indoor settings and lab work, and can detect tiny gusts that mechanical units miss. On the flip side, they tend to be more delicate and are best kept away from rough outdoor conditions — think of them as precision instruments rather than field hammers.

Ultrasonic anemometers

Ultrasonic models have no moving parts; they use sound pulses to measure the wind. That makes them fast, accurate, and low-maintenance, ideal for permanent weather stations and professional monitoring. They often cost more, but if you need high accuracy and durability in a compact package, they’re worth considering — like choosing a high-end gadget over a budget tool.

Handheld anemometers and smartphone add-ons

Handheld meters are compact, battery-powered, and perfect for quick checks. Many offer extra features like temperature readouts, data logging, and Bluetooth connectivity. If you’re after a casual device to carry in your pocket, think of handheld anemometers as the multi-tool of wind measurement. Smartphone attachments and apps exist too, but their accuracy can vary — they’re handy for casual use, not always for precise measurements.

Key features to look for when buying

Accuracy and measurement range

Accuracy is king. Look for specs that state +/- margin in mph and a measurement range that suits your needs. For garden and hobby use, a device accurate to within 1–2 mph and measuring up to 60–70 mph is usually fine. For professional work, you might want 0.5 mph accuracy or better and a broader range. Always check the stated tolerance so you’re not surprised when a “30 mph” reading is actually 28 mph.

Data logging and connectivity

If you want to record trends or export data, choose an anemometer with onboard memory or Bluetooth/USB connectivity. Some models let you stream live wind data to your phone or laptop so you can chart gusts over a day. It’s the difference between reading a single snapshot and having a full wind diary to study.

Build quality and weather resistance

Outdoor use demands a hardy build. Look for weatherproofing ratings and durable materials if you plan to mount a unit on a mast or leave it outside. A sealed design and corrosion-resistant parts mean the device will cope with rain, salt air, and dust — in short, it’s worth investing in a unit that won’t give up after the first heavy shower.

Calibration and certification

For professional or safety-critical tasks, check whether the anemometer can be calibrated and whether it has relevant certifications. Calibration maintains accuracy over time and is especially important if you’re using readings for compliance or reports. Consider it the service history of the device — well-calibrated gear is trustworthy gear.

Top UK retailers where you can buy anemometers

Amazon UK

Amazon UK is a go-to for variety and convenience, offering everything from cheap handheld meters to high-end ultrasonic units. You’ll find brands like Kestrel, Extech, and lesser-known manufacturers, with user reviews to help compare performance. If fast delivery and a broad product range matter, Amazon is a reliable starting point.

Screwfix

Screwfix caters well to tradespeople and DIY enthusiasts, stocking rugged handheld meters and robust outdoor instruments. Expect practical models designed for fieldwork and site use. Screwfix often focuses on practical value — tools that perform under real-world conditions without unnecessary frills.

Toolstation

Toolstation provides competitively priced tools and measuring instruments for construction and maintenance. Their selection tends to emphasize durability and usefulness on site. If you’re managing a project and need reliable readings without breaking the bank, Toolstation is worth checking.

RS Components and Farnell/CPC

RS Components and similar electronics suppliers stock professional-grade instruments and specialist brands. They’re ideal if you need specific technical specs, calibration options, or integration with other monitoring equipment. These stores are like the specialist workshop for serious users and engineers.

Argos

Argos is a practical choice for casual buyers who want a simple, user-friendly anemometer. Their range is narrower and often aimed at hobbyists and homeowners. If you prefer in-person pickup and straightforward products, Argos keeps things simple and accessible.

eBay UK

eBay is useful if you’re hunting for bargains or secondhand pro gear. You can find discontinued models and refurbished units at reduced prices, but buyer beware — check seller ratings and warranty terms. Think of eBay as a flea market of electronics: treasure hunting with a pinch of caution.

B&Q and Maplin

B&Q occasionally stocks measuring tools for home and garden, while Maplin — now operating online in various forms — can carry niche electronics and sensors. These retailers are handy if you want to browse in-store or pick up an item on the same day, particularly for basic handheld meters.

Brands worth considering

Kestrel

Kestrel is a well-known name in portable weather meters, prized for rugged design and dependable performance. Their handheld units often include multiple sensors and data logging, making them popular in outdoor sports, agriculture, and professional monitoring. If you want a device that’s been battle-tested, Kestrel is near the top of many lists.

Extech and Fluke

Extech produces a wide range of handheld instruments at reasonable prices, often balancing feature sets with cost. Fluke focuses more on high-precision test equipment and can be pricier, but their build quality and accuracy are excellent. For field engineers and technicians, these brands are familiar and respected.

Davis Instruments

Davis makes weather station equipment, including reliable anemometers for permanent installations. If you’re building a backyard weather station or need an outdoor mast-mounted device, Davis gear offers durability and long-term performance. They’re like the tried-and-true farm tractor of personal weather stations.

How to choose the right anemometer for your needs

For casual home and garden use

If your needs are simple — checking wind for gardening, kite-flying, or weekend sailing — a basic handheld model with 1–2 mph accuracy and a max range up to 60–70 mph will work fine. Choose something light and pocketable with easy-to-read screens so you’re not fumbling with menus while holding it up in a breeze.

For sports, sailing and outdoor hobbies

Sailors, paragliders, and kite surfers often need fast response and reliable gust readings. Look for units with instant gust tracking, memory for peak speeds, and durable, water-resistant builds. Mounting options or lanyards also help — think about how you’ll use it on the move and whether you want wrist or mast mounting.

For professional surveying and site work

Professionals need accuracy, logging, and ruggedness. Seek devices with calibration certificates, USB/Bluetooth outputs, and extended measurement ranges. Consider data storage and compatibility with analysis software — having historical wind records can be vital for site reports and risk assessments.

For research and weather stations

If you’re building a permanent station, invest in a high-quality cup or ultrasonic anemometer with corrosion-resistant mounting hardware. Weatherproofing, long-term stability, and servicing options matter more than a low initial price. This is where paying for quality yields consistent, trustworthy data over years.

Money-saving tips and getting the best deal

New vs used: when buying used makes sense

Used anemometers can be a great value, especially if you’re upgrading to a better model on a budget. Check that the unit has recent calibration history and that moving parts spin freely. For professional use, prefer units with verifiable service records; for hobbyists, a careful visual check and basic test might be enough.

Look for sales and bundled deals

Retailers like Screwfix and Amazon often run seasonal promotions, and electronics suppliers sometimes bundle sensors or mountings with a meter. Buying during sales can get you extra accessories — tripods, cases, or calibration — at little extra cost. Patience can pay off if you time your purchase right.

Warranty and aftercare

Warranty and support matter when you rely on your meter. A longer warranty and available spare parts make a device more future-proof. For devices exposed to the elements, consider extended warranty options if you plan to keep the unit outside for long periods.

Simple maintenance and calibration tips

Keep your unit clean and free of debris, especially the cups or vanes. For mechanical meters, check bearings for smooth rotation and replace parts showing wear. Store handheld meters dry and remove batteries if you won't use them for months. For precision needs, schedule periodic calibration — a quick check every 6–12 months keeps readings trustworthy. Think of maintenance like oiling a bike chain: small regular effort prevents big headaches later.

Installation and mounting basics

Mounting height and location affect readings. For consistent site data, mount an anemometer at a fixed height that's clear of obstructions — commonly around 33 feet for meteorological standards, but for casual setups, pick a stable mast at least 10–20 feet above nearby structures or trees. Use corrosion-resistant brackets for outdoor use and ensure the unit is level so it reads wind, not wobble. Proper mounting turns a portable gadget into a reliable instrument.

Common mistakes to avoid when buying

Don’t buy the cheapest unit if accuracy matters — you’ll pay more in unreliable data. Avoid models without clear specs or those lacking data export options if you plan to analyse readings. Don’t forget to consider battery life; cheap handhelds can drain in a few hours, while better models run for tens of hours. Finally, avoid mounting near obstructions — a sensor tucked behind a shed will give skewed results.

Conclusion

Choosing the right anemometer in the UK comes down to matching the device to how you’ll use it. Hobbyists can opt for affordable handheld meters, sports and sailing enthusiasts will want fast response and durability, and professionals should prioritise accuracy, data logging, and calibration. Retailers such as Amazon UK, Screwfix, Toolstation, RS Components, Argos, and eBay offer a wide range of options, from budget models to high-end instruments. Think about accuracy, build quality, connectivity, and long-term support when you shop, and you’ll turn wind guessing into solid numbers you can trust.