From 8fe79a88cac2dda16e77dff52849216c62148e9c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20=C4=8Cerm=C3=A1k?= <sairon@users.noreply.github.com>
Date: Thu, 27 Nov 2025 12:24:28 +0100
Subject: [PATCH] Fix state classes of Ecowitt rain sensors (#157409)

---
 homeassistant/components/ecowitt/sensor.py | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/homeassistant/components/ecowitt/sensor.py b/homeassistant/components/ecowitt/sensor.py
index 8cbdafd9f87..5044dd44155 100644
--- a/homeassistant/components/ecowitt/sensor.py
+++ b/homeassistant/components/ecowitt/sensor.py
@@ -285,16 +285,14 @@ async def async_setup_entry(
             name=sensor.name,
         )
 
-        # Hourly rain doesn't reset to fixed hours, it must be measurement state classes
+        # Only total rain needs state class for long-term statistics
         if sensor.key in (
-            "hrain_piezomm",
-            "hrain_piezo",
-            "hourlyrainmm",
-            "hourlyrainin",
+            "totalrainin",
+            "totalrainmm",
         ):
             description = dataclasses.replace(
                 description,
-                state_class=SensorStateClass.MEASUREMENT,
+                state_class=SensorStateClass.TOTAL_INCREASING,
             )
 
         async_add_entities([EcowittSensorEntity(sensor, description)])