The 10 Best Wireless Temperature Sensors With alarm (2023 reviews)

We consider a wireless temperature sensor with alarm to be a worthy investment in the long run. We are here to help you choose the right one for your needs from all the best available products in market today.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Sensorpush Wireless Temperature Sensor With alarm READ REVIEW

Best For basement: Buy: ORIA Wireless Temperature Sensor With alarm READ REVIEW

Best With Bluetooth: Buy: Govee Wireless Temperature Sensor With alarm READ REVIEW

Best For pet: Buy: Aqara Wireless Temperature Sensor With alarm READ REVIEW

Best For discreet placement: Buy: Onvis Wireless Temperature Sensor With alarm READ REVIEW

Best For people: Buy: Switchbot Wireless Temperature Sensor With alarm READ REVIEW

Best With transmitter: Buy: Mocreo Wireless Temperature Sensor With alarm READ REVIEW

Best For iphone: Buy: 9H Wireless Temperature Sensor With alarm READ REVIEW

Best For Greenhouse: Buy: Ailgely Wireless Temperature Sensor With alarm READ REVIEW

Best For guitar: Buy: Chtoocy Wireless Temperature Sensor With alarm READ REVIEW

Best Overall: Sensorpush Wireless Temperature Sensor With alarm

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Sensorpush wireless temperature sensor with alarm is the epitome of what a great sensor should be. The SensorPush Thermometer/Hygrometer sensors use standard Bluetooth technology to communicate directly with your existing smart phone or tablet and the free SensorPush app. It uses an updated digital humidity/temperature sensor, with a typical accuracy of 2%rh, 0.2°c / 0.36°f. The sensor membrane and o-ring seals provide a durable, splash and rain proof design. One sensor is buried sub-soil to monitor ground temperature and the second is mounted 5 feet above ground and monitors ambient conditions. The app is also easy to use and gives nice visualizations.

The wireless feature and small/light-weight of this measurement device makes it easy to use anywhere. It’s customizable and you can set high/low limits for each as well as alerts.

• Strong signal via bluetooth makes monitoring effortless via the app
• Perfect addition to a wine cellar
• Great devices to remotely view temperature & humidity
• Small and easy to hide outside or in

Best For basement: ORIA Wireless Temperature Sensor With alarm

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate sensor. The oria wireless temperature sensor with alarm is exactly that - it's a simple sensor that hits all the right notes. This unit gives you readings on the low, high, and current. It lets you see the temperature in 3 places. It features like trend arrows, signal strength indicator, button for backlight, etc. It has a great visual display and is very accurate when tested with other thermometers. It's going through batteries at the rate of a set every couple weeks.

The Base unit shows the temperature for the room it is mounted and then also the information for the 3 other sensors, one is outside, 2nd is in the breezeway and the 3rd is in the garage. The manual is well written, and everything is easy to setup.

• Works very well and easy to set up
• Easy to read display, even in dim light without having to use back light
• Works very well and pretty accurate when compared to other thermostat inside and out
• Works great for the greenhouse and home

Best With Bluetooth: Govee Wireless Temperature Sensor With alarm

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The govee wireless temperature sensor with alarm is suitable and reliable and fits well with your daily usage. Swiss-made sensors provide a wide range for detecting the humidity and temperature. This sensor can be used as a stand-alone Bluetooth hygrometer thermometer. It uses one AAAA battery and gets sucked dry after a month. It will work without the hub, but through Bluetooth only and that is far less useful.

These sensors are small and come with a small lanyard so you can even hang them. The sensor will collect data for 20 days if lost Bluetooth and wifi connection. It is easy to set up with your iphone, and they work well. It should alert at a chosen interval until the alert is dismissed.

• Work great as an add-on to existing govee temperature family
• A must have for monitoring water pipe temps
• You can easily automate based on thresholds to increase or decrease the thermostat
• Bluetooth is powerful and wifi hub is fantastic

Best For pet: Aqara Wireless Temperature Sensor With alarm

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These compact little sensors work well with both platforms mainly because of the integration of zigbee2mqtt within both the OpenHab and HA environments. You can use the aqara temperature and humidity sensor to trigger automations with other aqara devices using the aqara home app. This small sensor is great for monitoring the temperature of any random location. This is to prevent the new sensor from being routed through Zigbee devices as repeaters.

The Aqara sensor prefers to be paired directly to the Smartthings v3 hub first. The form factor is very small, therefore it can be easily installed anywhere. It works well with the hubitat hub but takes effort. The compact size is great.

• Great, small sensor for humidity and temperature monitoring
• Can be made to work with smartthings gen 3rd hub
• New and hot release

Best For discreet placement: Onvis Wireless Temperature Sensor With alarm

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Like most Homekit devices, they have their own app that you need to install to manage the firmware. The Temperature and Humidity sensors are a nice added bonus. This device takes 2 AAA batteries. It is a motion detector, monitors temperature, and detects humidity levels. The device also includes a hygrometer thermometer, allowing for real-time monitoring of temperature and humidity levels in your home.

These are small, easy to setup, and connect into your homekit super reliably. When the sensor detects any movement, it immediately sends notifications to your homekit-enabled devices. You cannot go wrong with these sensors as they also monitor humidity which you can use to automatically control ceiling fans in the rooms. If you place this sensor in a place where the sun casts shadows in your room, the motion sensor might pick it up as movement.

• Reliable, accurate, affordable, homekit motion sensors
• Good sensor, must position low for long range detection
• Good investment for long term

Best For people: Switchbot Wireless Temperature Sensor With alarm

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Not everyone likes to purchase sensor for their daily usage, but the switchbot wireless temperature sensor with alarm would be an anomoly. It provides a simple, low cost, way to control IR devices in your home automation setup. It comes with the switchbot hub mini (sold separately), and the meter works with amazon alexa, google assistant, siri, ifttt and other switchbot products for home automation. It can be placed some distance from the hub. The humidity measurement in particular is quite responsive and instantaneous.

It is easy to setup and use, and they provide good visuals on the temperature trend for a variety of different periods. The other main feature it has is infrared control, this feature replicates infrared signals from remotes such as a tv remote to activate the device remotely. It'll be a nice backup to the home alarm system. It is perfect for use in a cigar humidor.

• Very simple setup, very accurate, very responsive
• Monitoring humidity inside a home can literally save you lots of problems and money
• Good quality sensor that supports smart home feature
• You can also set up an alarm for temp/humidity through your phone

Best With transmitter: Mocreo Wireless Temperature Sensor With alarm

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The mocreo wireless temperature sensor with alarm should be able to handle its purpose and duties with ease. The Mocreo sensor app only supports entering one email address to receive alerts. It is the best choice for monitoring room temperature and humidity. It can keep the data logger in the freezer, and the external temperature probe cable monitors the temperature inside the freezer. It can also send alert (push notification, email) to your phone to notify you that the temperature or humidity value has exceeded the preset value.

The Hub has to be connected to the internet and within a select distance from the sensors. The generator is inside a metal sound reduction enclosure, so there are two metal walls at the generator in addition to the garage wall between the sensor and the hub. The Mocreo unit supports the Push notification and email alert, so as to alarm the user via multiple ways that the Temperature and Humidity monitored is beyond the desired condition. This takes you to the "nodes information" page.

• Works with zigbee repeaters, great value
• Tiny sensors that each run on one 2032 battery
• You can view data on android, iphone, pc, tablet, etc
• Nice big graphs with lots of resolution

Best For iphone: 9H Wireless Temperature Sensor With alarm

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Next on the list, we've got yet another sensor that manages to win our hearts. It's the 9h wireless temperature sensor with alarm and it's widely considered as one of the best convenient sensor you can buy. The accurate and sensitive sensirion temp and humidity sensor can achieve a temperature error of 0.5 °C (1 °F), a humidity error of. It comes with the buzzer alert on the device, if the temperature or humidity is out of range, it will have the alert on the device. It can achieve a temperature error of 0.5°C(1°F), a humidity error of 5%, and refresh once per second for higher accuracy.

• Uploads data to app when connecting to it via bluetooth
• Available to export data in csv format for free after registered account
• Special wall stickers with built-in magnets

Best For Greenhouse: Ailgely Wireless Temperature Sensor With alarm

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We would, of course, be remiss if we didn't mention ailgely wireless temperature sensor with alarm for daily usage. This tuya wifi intelligent sensor can detect the temperature and humidity for you, come on and try it, it will not let you down. The Smart thermometer hygrometer can help you effectively adjust the situation of your wine cellar, greenhouse, basement or other places in time. It is powered up by 3*aa battery(battery are not included), it is proper for incubators, greenhouse, wine cellar, home and office.

The Wireless temperature sensor wifi connects with 2.4 ghz wifi(doesn't support 5g wifi), accurate measurement and real-time update without delay, you can remotely monitor temperature and humidity.

• Delivers what they promise
• New and hot release

Best For guitar: Chtoocy Wireless Temperature Sensor With alarm

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Not everyone likes to purchase sensor for their regular usage, but the chtoocy wireless temperature sensor with alarm would be an anomoly. This WiFi temperature monitor is suitable for humidors, guitar, baby rooms, poultry coops and incubators, crawlspaces, greenhouses, wine cellars, instrument cases, or even outside to function as a mini weather station. It has a high-quality sensor which responds quickly and can accurately measure temperature (14-122) and humidity (20rh-99rh) in the air within a deviation of. The mini temperature humidity sensor (2.8*2.8*0.96 inches) and supports 2 AAA batteries(NOT INCLUDED) makes it easy to move and can be carried around as an accessory, allowing you to monitor the temperature and humidity anytime and anywhere, even if away from home.

The unit can last for only 7 days if it is operated by the batteries, please plug into the AC power for this wifi temperature sensor in daliy use.

• Good investment for long term
• One of the new comers and featured product