diff --git a/homeassistant/components/shelly/sensor.py b/homeassistant/components/shelly/sensor.py
index 5a36b5e99bf..c37bbbd5ff8 100644
--- a/homeassistant/components/shelly/sensor.py
+++ b/homeassistant/components/shelly/sensor.py
@@ -362,6 +362,7 @@ RPC_SENSORS: Final = {
         sub_key="tC",
         name="Temperature",
         native_unit_of_measurement=TEMP_CELSIUS,
+        value=lambda status, _: round(status, 1),
         device_class=SensorDeviceClass.TEMPERATURE,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=True,
@@ -392,6 +393,7 @@ RPC_SENSORS: Final = {
         sub_key="rh",
         name="Humidity",
         native_unit_of_measurement=PERCENTAGE,
+        value=lambda status, _: round(status, 1),
         device_class=SensorDeviceClass.HUMIDITY,
         state_class=SensorStateClass.MEASUREMENT,
         entity_registry_enabled_default=True,