diff --git a/homeassistant/components/netatmo/sensor.py b/homeassistant/components/netatmo/sensor.py
index 108ed3b2cea..995cd6fa9e0 100644
--- a/homeassistant/components/netatmo/sensor.py
+++ b/homeassistant/components/netatmo/sensor.py
@@ -25,6 +25,7 @@ from homeassistant.const import (
     DEVICE_CLASS_PRESSURE,
     DEVICE_CLASS_SIGNAL_STRENGTH,
     DEVICE_CLASS_TEMPERATURE,
+    ENTITY_CATEGORY_DIAGNOSTIC,
     LENGTH_MILLIMETERS,
     PERCENTAGE,
     PRESSURE_MBAR,
@@ -177,6 +178,7 @@ SENSOR_TYPES: tuple[NetatmoSensorEntityDescription, ...] = (
         name="Battery Percent",
         netatmo_name="battery_percent",
         entity_registry_enabled_default=True,
+        entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
         native_unit_of_measurement=PERCENTAGE,
         device_class=DEVICE_CLASS_BATTERY,
         state_class=STATE_CLASS_MEASUREMENT,
@@ -236,6 +238,7 @@ SENSOR_TYPES: tuple[NetatmoSensorEntityDescription, ...] = (
         name="Reachability",
         netatmo_name="reachable",
         entity_registry_enabled_default=False,
+        entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
         icon="mdi:signal",
     ),
     NetatmoSensorEntityDescription(
@@ -243,6 +246,7 @@ SENSOR_TYPES: tuple[NetatmoSensorEntityDescription, ...] = (
         name="Radio",
         netatmo_name="rf_status",
         entity_registry_enabled_default=False,
+        entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
         icon="mdi:signal",
     ),
     NetatmoSensorEntityDescription(
@@ -250,6 +254,7 @@ SENSOR_TYPES: tuple[NetatmoSensorEntityDescription, ...] = (
         name="Radio Level",
         netatmo_name="rf_status",
         entity_registry_enabled_default=False,
+        entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
         native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
         device_class=DEVICE_CLASS_SIGNAL_STRENGTH,
         state_class=STATE_CLASS_MEASUREMENT,
@@ -259,6 +264,7 @@ SENSOR_TYPES: tuple[NetatmoSensorEntityDescription, ...] = (
         name="Wifi",
         netatmo_name="wifi_status",
         entity_registry_enabled_default=False,
+        entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
         icon="mdi:wifi",
     ),
     NetatmoSensorEntityDescription(
@@ -266,6 +272,7 @@ SENSOR_TYPES: tuple[NetatmoSensorEntityDescription, ...] = (
         name="Wifi Level",
         netatmo_name="wifi_status",
         entity_registry_enabled_default=False,
+        entity_category=ENTITY_CATEGORY_DIAGNOSTIC,
         native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
         device_class=DEVICE_CLASS_SIGNAL_STRENGTH,
         state_class=STATE_CLASS_MEASUREMENT,