Temperature & Humidity Sensors · Head to head

Nest Temperature Sensor (2nd gen) vs SwitchBot Indoor/Outdoor Thermo-Hygrometer

Full Smart Temperature/Humidity Sensors comparison in 2026

Updated August 2026
Data from Amazon and official Google and SwitchBot sites.
2026 verdict
As a general-purpose temperature and humidity sensor, the SwitchBot Indoor/Outdoor Thermo-Hygrometer is the better buy, winning on price, connectivity, humidity sensing and alerts while adding an IP65 weatherproof body and support for Google Home, Alexa, SmartThings, IFTTT and Matter. The Nest Temperature Sensor (2nd gen) is a narrower device: a Nest Thermostat accessory that reads temperature only, with no humidity, no alerts and no screen, though it does hold a higher owner rating and a longer three-year battery life against the SwitchBot's two years. The two are built for different jobs, one a flexible environmental sensor, the other a thermostat add-on. Choose the SwitchBot Indoor/Outdoor Thermo-Hygrometer for weatherproof, broadly connected monitoring; choose the Nest Temperature Sensor (2nd gen) only if you own a Nest Thermostat and want to balance a room's temperature with a long-lasting battery.
Price alerts

Temperature & Humidity Sensor prices change while you decide

We check the price of every Temperature & Humidity Sensor in the catalog daily and email you the drops, whichever one you pick.

Your subscription could not be saved. Please try again.
Your subscription has been successful.

Smart home deals and news, straight to your inbox

Price drops, new releases and the smart home news worth knowing.

No spam. Unsubscribe in one click.

FeatureNest Temperature Sensor (2nd gen)SwitchBot Indoor/Outdoor Thermo-HygrometerWinner
Price$39.98$10.49SwitchBot Indoor/Outdoor Thermo-Hygrometer
Rating4.44.2Nest Temperature Sensor (2nd gen)
Battery Life3 years2 yearsNest Temperature Sensor (2nd gen)
ConnectivityNoneBluetoothSwitchBot Indoor/Outdoor Thermo-Hygrometer
IntegrationsGoogle HomeGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterSwitchBot Indoor/Outdoor Thermo-Hygrometer
SensorsTemperatureTemperature, HumiditySwitchBot Indoor/Outdoor Thermo-Hygrometer
AlertsNoneTemperature Alerts, Humidity Alerts, Low Battery AlertsSwitchBot Indoor/Outdoor Thermo-Hygrometer
Warranty1 year1 yearTie
ScreenNONOTie

Frequently Asked Questions

Which temperature and humidity sensor is better, the Nest Temperature Sensor (2nd gen) or the SwitchBot Indoor/Outdoor Thermo-Hygrometer?

The SwitchBot Indoor/Outdoor Thermo-Hygrometer wins, with a lower price, IP65 weatherproofing, humidity sensing, alerts and support for Google Home, Alexa, SmartThings and Matter. The Nest Temperature Sensor (2nd gen) is a temperature-only Nest Thermostat accessory that still earns a higher rating and longer battery life.

What is the biggest difference between them?

The SwitchBot is a standalone, weatherproof sensor that measures temperature and humidity across many platforms, while the Nest reads temperature only and functions solely as a companion to a Nest Thermostat.

Which one can be used outdoors and measures humidity?

The SwitchBot Indoor/Outdoor Thermo-Hygrometer does both, with an IP65 rating and temperature plus humidity sensing. The Nest Temperature Sensor (2nd gen) has no weather rating and reads temperature only.

Which lasts longer on a battery?

The Nest Temperature Sensor (2nd gen), rated at about three years on a CR2 cell, compared with roughly two years for the SwitchBot on 2 AAA batteries.

Who should buy the SwitchBot Indoor/Outdoor Thermo-Hygrometer?

Anyone wanting a durable, affordable sensor for garages, greenhouses or outdoor spots with Google Home, Alexa, SmartThings or Matter support, who is fine reading data in the app.

Who should buy the Nest Temperature Sensor (2nd gen)?

Nest Thermostat owners who want a long-lasting room sensor to help their thermostat prioritize a room's temperature, and do not need humidity, alerts or wider integrations.

Full comparison table

Compare all 28 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.

  • 28 Temperature & Humidity Sensors
  • 43 specs compared
  • 39 filters
Open the full comparison
More Temperature & Humidity Sensors

Top Temperature & Humidity Sensors to compare next

Compare smart temperature and humidity sensors by accuracy, connectivity, display, battery life, alerts, integrations, automations, and supported protocols.

All Temperature & Humidity Sensors
Google

More Google products

A sharper look at other Google products worth comparing.

Explore Google
SwitchBot

More SwitchBot products

A sharper look at other SwitchBot products worth comparing.

Explore SwitchBot