diff --git a/homeassistant/components/ecowitt/sensor.py b/homeassistant/components/ecowitt/sensor.py
index 9ad00c69ab14..167e1f70c2c5 100644
--- a/homeassistant/components/ecowitt/sensor.py
+++ b/homeassistant/components/ecowitt/sensor.py
@@ -152,24 +152,28 @@ ECOWITT_SENSORS_MAPPING: Final = {
         native_unit_of_measurement=UnitOfPrecipitationDepth.MILLIMETERS,
         device_class=SensorDeviceClass.PRECIPITATION,
         state_class=SensorStateClass.TOTAL_INCREASING,
+        suggested_display_precision=1,
     ),
     EcoWittSensorTypes.RAIN_COUNT_INCHES: SensorEntityDescription(
         key="RAIN_COUNT_INCHES",
         native_unit_of_measurement=UnitOfPrecipitationDepth.INCHES,
         device_class=SensorDeviceClass.PRECIPITATION,
         state_class=SensorStateClass.TOTAL_INCREASING,
+        suggested_display_precision=2,
     ),
     EcoWittSensorTypes.RAIN_RATE_MM: SensorEntityDescription(
         key="RAIN_RATE_MM",
         native_unit_of_measurement=UnitOfVolumetricFlux.MILLIMETERS_PER_HOUR,
         state_class=SensorStateClass.MEASUREMENT,
         device_class=SensorDeviceClass.PRECIPITATION_INTENSITY,
+        suggested_display_precision=1,
     ),
     EcoWittSensorTypes.RAIN_RATE_INCHES: SensorEntityDescription(
         key="RAIN_RATE_INCHES",
         native_unit_of_measurement=UnitOfVolumetricFlux.INCHES_PER_HOUR,
         state_class=SensorStateClass.MEASUREMENT,
         device_class=SensorDeviceClass.PRECIPITATION_INTENSITY,
+        suggested_display_precision=2,
     ),
     EcoWittSensorTypes.LIGHTNING_DISTANCE_KM: SensorEntityDescription(
         key="LIGHTNING_DISTANCE_KM",