diff --git a/homeassistant/components/nest/legacy/sensor.py b/homeassistant/components/nest/legacy/sensor.py
index 86e73114568..ce38b2dbf0d 100644
--- a/homeassistant/components/nest/legacy/sensor.py
+++ b/homeassistant/components/nest/legacy/sensor.py
@@ -3,7 +3,11 @@
 
 import logging
 
-from homeassistant.components.sensor import SensorDeviceClass, SensorEntity
+from homeassistant.components.sensor import (
+    SensorDeviceClass,
+    SensorEntity,
+    SensorStateClass,
+)
 from homeassistant.const import (
     CONF_MONITORED_CONDITIONS,
     CONF_SENSORS,
@@ -48,6 +52,8 @@ SENSOR_UNITS = {"humidity": PERCENTAGE}
 
 SENSOR_DEVICE_CLASSES = {"humidity": SensorDeviceClass.HUMIDITY}
 
+SENSOR_STATE_CLASSES = {"humidity": SensorStateClass.MEASUREMENT}
+
 VARIABLE_NAME_MAPPING = {"eta": "eta_begin", "operation_mode": "mode"}
 
 VALUE_MAPPING = {
@@ -167,6 +173,11 @@ class NestBasicSensor(NestSensorDevice, SensorEntity):
         """Return the device class of the sensor."""
         return SENSOR_DEVICE_CLASSES.get(self.variable)
 
+    @property
+    def state_class(self):
+        """Return the state class of the sensor."""
+        return SENSOR_STATE_CLASSES.get(self.variable)
+
     def update(self):
         """Retrieve latest state."""
         self._unit = SENSOR_UNITS.get(self.variable)
@@ -202,6 +213,11 @@ class NestTempSensor(NestSensorDevice, SensorEntity):
         """Return the device class of the sensor."""
         return SensorDeviceClass.TEMPERATURE
 
+    @property
+    def state_class(self):
+        """Return the state class of the sensor."""
+        return SensorStateClass.MEASUREMENT
+
     def update(self):
         """Retrieve latest state."""
         if self.device.temperature_scale == "C":