Smart homes aren’t just about lighting and security—they’re also about comfort, awareness, and energy efficiency. The Aqara Temperature and Humidity Sensor is a small but mighty device that delivers big value to your home’s ecosystem. Whether you’re trying to maintain the perfect temperature for your baby’s room, monitor a wine cellar, or trigger smart home routines, this sensor has you covered.
Built with high-precision sensors from Sensirion (a Swiss company known for its accuracy), this compact device tracks temperature, humidity, and atmospheric pressure. Pair it with an Aqara Hub (or a compatible Zigbee hub like Home Assistant or Hubitat), and you unlock automation possibilities for thermostats, humidifiers, fans, or even smart curtains.
In this review, we’ll break down everything U.S. homeowners need to know about this device in 2025—from features and specs to real customer reviews and use cases.
🧠 Want to automate even more of your home? Explore our Smart Sensors and Automation Guide for ideas and device integrations.
Top Features of the Aqara Temperature and Humidity Sensor
| Feature | Details |
|---|---|
| Real-Time Monitoring | Measures temperature, humidity, and air pressure in real-time |
| High Accuracy | Built with Sensirion sensor, accurate within ±0.3°C temperature and ±3% RH |
| Zigbee 3.0 Support | Low power, fast communication, and excellent range via Zigbee technology |
| Smart Automations | Set triggers in Apple HomeKit, Alexa (via hub), Aqara, or SmartThings |
| Compact & Wireless Design | Small size and adhesive backing for easy wall, fridge, or surface mounting |
| Battery Powered | Runs on a CR2032 coin battery with 1–2 years battery life |
| Free App Alerts | Get alerts for abnormal temperature/humidity via the Aqara Home app |
| Multiple Ecosystem Support | Works with Aqara Hub, Apple HomeKit, Alexa (via Zigbee Hub), and more |
| Historical Data Logging | Review past climate trends inside the app |
| Affordable | Budget-friendly option under $20 per sensor in multipacks |
Aqara Temperature and Humidity Sensor Specifications
| Specification | Details |
|---|---|
| Product Name | Aqara Temperature and Humidity Sensor |
| Model | WSDCGQ11LM |
| Communication Protocol | Zigbee 3.0 |
| Temperature Range | -20°C to +60°C (-4°F to +140°F) |
| Humidity Range | 0% – 100% RH |
| Pressure Range | 30 kPa – 110 kPa |
| Accuracy | ±0.3°C, ±3% RH |
| Battery Type | CR2032 (coin cell) |
| Battery Life | Up to 2 years |
| Dimensions | 36 × 36 × 9 mm |
| Mounting Type | Adhesive mount or surface placement |
| App Control | Aqara Home, Apple HomeKit, SmartThings, Alexa (via compatible hub) |
| Warranty | 1-Year Limited Warranty |
Real Customer Reviews from U.S. Buyers
| Customer | Rating | Review |
|---|---|---|
| Amy L. (Denver, CO) | ⭐⭐⭐⭐⭐ | “Using it with HomeKit, super accurate and setup took under 5 mins. Love the compact size!” |
| Jake R. (Austin, TX) | ⭐⭐⭐⭐☆ | “Great value. Working well with my Aqara hub and triggers my humidifier automatically.” |
| Marcy K. (Chicago, IL) | ⭐⭐⭐⭐⭐ | “This little guy helped me detect humidity issues in my basement. A+ product.” |
| Liam D. (Seattle, WA) | ⭐⭐⭐⭐☆ | “Only downside is it needs a hub, but once that’s set, it just works. I own four now.” |
| Emma F. (New York, NY) | ⭐⭐⭐⭐⭐ | “Perfect for my nursery—monitors both temp and humidity and sends me alerts instantly.” |
Why Smart Homes in 2025 Need Climate Sensors
Temperature and humidity sensors like the Aqara model are crucial for a truly responsive home. Here’s why:
1. Automate Comfort Without Lifting a Finger
Create automations like:
- Turn on the heater when temp drops below 65°F.
- Run a dehumidifier when humidity exceeds 60%.
- Send alerts when your wine fridge temperature is out of range.
2. Prevent Mold & Allergies
Maintaining proper humidity can prevent mold growth and dust mite infestations, especially in basements, bathrooms, and attics.
3. Enhance Energy Efficiency
Rather than blasting your AC all day, automate based on real-time temperature fluctuations.
4. Data-Driven Smart Living
Access historical graphs in the Aqara app to see how climate changes throughout the day and adjust your routines accordingly.
How It Integrates with Smart Home Systems
The Aqara Sensor is highly flexible and integrates with multiple smart home platforms:
- Apple HomeKit – Works natively with scenes and automations.
- Alexa (via Zigbee Hub) – Use temperature data to trigger routines like turning on fans or sending alerts.
- SmartThings & Home Assistant – Advanced users can create custom dashboards or automations.
- Aqara Home App – Offers free cloud storage of history, OTA updates, and alert customization.
🔧 Pro Tip: Pair it with the Aqara Hub M2 or M1S Gen 2 for the best compatibility and automation features.
Best Use Cases for the Aqara Temperature and Humidity Sensor
| Use Case | Benefits |
|---|---|
| Nurseries & Baby Rooms | Monitor temp/humidity to maintain a safe, healthy sleeping environment |
| Basements & Attics | Detect mold-prone humidity levels before damage occurs |
| Greenhouses | Ensure optimal climate for plant growth |
| Wine Cellars | Keep temperature and humidity within preservation limits |
| Server Rooms & Offices | Monitor heat levels to prevent hardware damage or discomfort |
| Vacation Homes | Get real-time alerts when climate conditions shift while you’re away |
Comparison with Other Smart Sensors
| Feature | Aqara Sensor | Govee WiFi Sensor | Ecobee Room Sensor |
|---|---|---|---|
| Protocol | Zigbee | Wi-Fi | Proprietary |
| Humidity Monitoring | ✅ Yes | ✅ Yes | ❌ No |
| Battery Life | 2 Years | 6–12 Months | 18–24 Months |
| HomeKit Support | ✅ Yes | ❌ No | ✅ Yes |
| Requires Hub | ✅ Yes | ❌ No | ✅ Yes |
| Price Range | 💲 Affordable | 💲💲 Mid-Range | 💲💲💲 Premium |
Where to Buy – Best Deal in 2025
👉 Buy Aqara Temperature and Humidity Sensor on Amazon
✅ Ships across the U.S.
✅ Available in 1-pack, 3-pack, and 5-pack bundles
✅ Frequently bundled with Aqara Hub for savings
Final Verdict: Should You Buy the Aqara Temperature and Humidity Sensor in 2025?
For under $20, the Aqara Temperature and Humidity Sensor is a must-have device for anyone invested in a smarter, healthier, more automated home. Its high accuracy, broad compatibility, and compact form factor make it perfect for any room or use case.
Whether you’re automating climate systems, optimizing energy use, or simply gaining more visibility into your environment, this small sensor offers huge smart home benefits.
🔗 Want to expand your smart home beyond climate sensors? Visit our Smart Sensors and Automation page for full guides, recommendations, and automation blueprints.
