Updated September 2026
Data from Amazon and official Google and Sonoff sites.
2026 verdict
The Sonoff SNZB-02WD is the more complete temperature and humidity sensor here, winning on price, connectivity and features, from a built-in LCD screen and IP65 weather resistance to humidity sensing, temperature and humidity alerts, and automations, none of which the Nest Temperature Sensor (2nd gen) provides. The Sonoff runs on Zigbee through a hub and integrates with Home Assistant, giving it far more range as a general sensor. The Nest Temperature Sensor (2nd gen) is a temperature-only Nest Thermostat accessory with no screen, no alerts and no outside integrations, but it does earn a higher owner rating and a long three-year battery life. These target different needs. Reach for the Sonoff SNZB-02WD if you want a standalone, weatherproof sensor you can read on the device and wire into automations; the Nest fits only when you want to extend a Nest Thermostat to a room.
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| Feature | Nest Temperature Sensor (2nd gen) | Sonoff SNZB-02WD | Winner |
|---|---|---|---|
| Price | $39.98 | $19.90 | Sonoff SNZB-02WD |
| Screen | NO | YES | Sonoff SNZB-02WD |
| Integrations | Google Home | Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Sonoff SNZB-02WD |
| Sensors | Temperature | Temperature, Humidity | Sonoff SNZB-02WD |
| Alerts | None | Temperature Alerts, Humidity Alerts | Sonoff SNZB-02WD |
| Rating | 4.4 | 4.4 | Tie |
| Connectivity | Bluetooth | Zigbee | Tie |
- - Price: $39.98 vs $19.90
- - Screen: NO vs YES
Winner
- + Price: $19.90
- + Screen: YES
- + Integrations: Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Nest Temperature Sensor (2nd gen)
- Sonoff SNZB-02WD
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Frequently Asked Questions
Which is better overall, the Nest Temperature Sensor (2nd gen) or the Sonoff SNZB-02WD?
The Sonoff SNZB-02WD wins overall, adding an LCD screen, IP65 weather resistance, humidity sensing, alerts and automations at a lower price. The Nest Temperature Sensor (2nd gen) is a temperature-only Nest Thermostat accessory with a higher owner rating and long battery life.
What is the biggest difference between these two sensors?
The Sonoff is a self-contained Zigbee sensor with a display and weatherproofing that measures temperature and humidity and runs automations, while the Nest reads temperature only and works solely as a Nest Thermostat companion.
Which one has a screen and can go outdoors?
The Sonoff SNZB-02WD does both, with a built-in LCD and an IP65 rating for garages, greenhouses and damp spots. The Nest Temperature Sensor (2nd gen) has no display and no weather-resistance rating.
Which measures humidity?
Only the Sonoff SNZB-02WD, which senses both temperature and humidity and can alert on either. The Nest Temperature Sensor (2nd gen) tracks temperature alone.
Who should buy the Sonoff SNZB-02WD?
Zigbee smart-home users who want an on-device display, IP65 durability and humidity readings for outdoor or utility spaces, and who already run a Zigbee hub with Home Assistant.
Who should buy the Nest Temperature Sensor (2nd gen)?
Nest Thermostat owners who want a long-lasting room sensor to help their thermostat balance temperature, and do not need a screen, humidity data, alerts or broader integrations.
Full comparison table
Compare all 34 Temperature & Humidity Sensors side by side
You are looking at two of them. The full table lines up all Temperature & Humidity Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 34 Temperature & Humidity Sensors
- 43 specs compared
- 39 filters
YoLinkSmart Wireless Thermometer Hygrometer
10% OFF$16.14$14.48
GoogleNest Temperature Sensor
$39.00
EcobeeSmartSensor
$98.20
SwitchBotMeter Pro
$19.99
SwitchBotMeter Plus
15% OFF$17.99$15.29
GoveeHygrometer Thermometer H5104
$13.99
AeotecMultipurpose Sensor
$38.99
X-SenseSmart WiFi Indoor Thermometer
23% OFF$14.99$11.59
X-SenseSTH0B Smart Thermometer Hygrometer
23% OFF$14.99$11.59- Google
Nest Temperature Sensor (2nd gen)
$39.98 
SonoffSNZB-02DR2 AirGuard TH
$14.90- Sonoff
SNZB-02WD
$19.90 
ShellyBLU H&T ZB
$22.99
ShellyBLU H&T Display ZB
$25.99
SensiEmerson Room Sensor
$45.88
SonoffSNZB-02M AirGuard TH Pressure Sensor
$19.90
SwitchBotMeter
$13.99
SwitchBotIndoor/Outdoor Thermo-Hygrometer
15% OFF$14.99$12.74
AqaraTemperature and Humidity Sensor
$19.98
SonoffLCD Smart Temperature Humidity Sensor
$15.90
CamerasGoogleNest Cam (outdoor or indoor, battery)
4.1(6,075)10% OFF$199.99$179.99
CamerasGoogleNest Cam Floodlight
4.3(1,901)8% OFF$279.99$257.99
CamerasGoogleNest Cam Indoor (Wired, 3rd Gen)
4.5(1,085)$124.54
CamerasGoogleNest Cam Outdoor (Wired, 2nd Gen)
4.4(787)25% OFF$199.99$149.99
CamerasGoogleNest Cam (indoor, wired)
4.4(5,413)$99.99
DisplaysGoogleNest Hub (2nd Gen)
4.2(1,148)$299.99
DisplaysGoogleNest Hub Max
4.2(223)$547.88
DoorbellsGoogleNest Doorbell (battery)
4.2(5,082)9% OFF$199.99$181.12
DoorbellsGoogleNest Doorbell (wired, 3rd Gen)
4.4(1,071)$193.59
DoorbellsGoogleNest Doorbell (wired, 2nd Gen)
4.4(1,130)$129.99
Door LocksGoogleNest x Yale Lock
4.2(2,025)$299.00
RoutersGoogleNest WiFi Pro
4.0(2,491)$199.99
Smoke & CO DetectorsGoogleNest Protect (Battery)
4.4(7,508)$406.99
Smoke & CO DetectorsGoogleNest Protect (Wired)
4.6(4,629)$449.99
SpeakersGoogleNest Audio
4.4(219)$119.99
SpeakersGoogleNest Mini (2nd gen)
4.3(2,154)$97.95- Temperature & Humidity SensorsGoogle
Nest Temperature Sensor (2nd gen)
4.4(1,323)$39.98 - Temperature & Humidity SensorsGoogle
Nest Temperature Sensor
4.6(16,632)$39.00 
ThermostatsGoogleNest Learning Thermostat (4th gen)
4.4(2,593)14% OFF$279.99$239.99
ThermostatsGoogleNest Learning Thermostat
4.2(358)
Air Quality MonitorsSonoffSAWF-07P Air Quality Monitor
3.7(191)$39.90
Air Quality MonitorsSonoffSAWF-08P Air Quality Monitor
4.3(169)$49.90
CamerasSonoffCAM GlassView
4.6(19)$34.90
CamerasSonoffCam Outdoor DUO
$79.90
CamerasSonoffCam Slim Gen2
4.4(172)$19.90
CamerasSonoffGK-200MP2-B
4.0(149)30% OFF$9.99$6.99
DisplaysSonoffNSPanel Pro Gen2
3.4(11)€149.90
DisplaysSonoffNSPanel Pro
4.1(73)$129.90
DonglesSonoffDongle Lite MG21
4.5(439)$24.90
DonglesSonoffDongle Max
4.3(599)
DonglesSonoffDongle Plus MG24
4.7(675)$35.90
DonglesSonoffDongle Plus PP10
4.6(80)$35.90
DonglesSonoffDongle-PZG23
4.6(172)$39.90
DonglesSonoffZ-Wave 800 PoE Dongle Max
4.3(20)$44.90
DonglesSonoffZBDongle-E
4.6(3,724)$24.90
DonglesSonoffZBDongle-P
4.6(5,667)17% OFF$39.99$33.39
Door & Window SensorsSonoffDW2-WIFI
3.8(1,057)$12.23
Door & Window SensorsSonoffSNZB-04 ZigBee Wireless Door/Window Sensor
3.7(101)$17.99
Door & Window SensorsSonoffSNZB-04P ZigBee Door/Window Sensor
4.0(13)$18.99
Door & Window SensorsSonoffSenseGuard DW Gen2
4.4(195)