diff --git a/homeassistant/components/simplisafe/sensor.py b/homeassistant/components/simplisafe/sensor.py
index c3f8d7c3ab0..fceb90fc9eb 100644
--- a/homeassistant/components/simplisafe/sensor.py
+++ b/homeassistant/components/simplisafe/sensor.py
@@ -1,7 +1,7 @@
 """Support for SimpliSafe freeze sensor."""
 from simplipy.entity import EntityTypes
 
-from homeassistant.components.sensor import SensorEntity
+from homeassistant.components.sensor import STATE_CLASS_MEASUREMENT, SensorEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import DEVICE_CLASS_TEMPERATURE, TEMP_FAHRENHEIT
 from homeassistant.core import HomeAssistant, callback
@@ -35,6 +35,7 @@ class SimplisafeFreezeSensor(SimpliSafeBaseSensor, SensorEntity):
 
     _attr_device_class = DEVICE_CLASS_TEMPERATURE
     _attr_native_unit_of_measurement = TEMP_FAHRENHEIT
+    _attr_state_class = STATE_CLASS_MEASUREMENT
 
     @callback
     def async_update_from_rest_api(self) -> None: