diff --git a/homeassistant/components/esphome/climate.py b/homeassistant/components/esphome/climate.py
index 478ce9bae2c..b651f16dfd7 100644
--- a/homeassistant/components/esphome/climate.py
+++ b/homeassistant/components/esphome/climate.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 from functools import partial
+from math import isfinite
 from typing import Any, cast
 
 from aioesphomeapi import (
@@ -238,9 +239,13 @@ class EsphomeClimateEntity(EsphomeEntity[ClimateInfo, ClimateState], ClimateEnti
     @esphome_state_property
     def current_humidity(self) -> int | None:
         """Return the current humidity."""
-        if not self._static_info.supports_current_humidity:
+        if (
+            not self._static_info.supports_current_humidity
+            or (val := self._state.current_humidity) is None
+            or not isfinite(val)
+        ):
             return None
-        return round(self._state.current_humidity)
+        return round(val)
 
     @property
     @esphome_float_state_property
diff --git a/tests/components/esphome/test_climate.py b/tests/components/esphome/test_climate.py
index 2a5013444dd..03d2f78a5d2 100644
--- a/tests/components/esphome/test_climate.py
+++ b/tests/components/esphome/test_climate.py
@@ -407,7 +407,7 @@ async def test_climate_entity_with_inf_value(
             target_temperature=math.inf,
             fan_mode=ClimateFanMode.AUTO,
             swing_mode=ClimateSwingMode.BOTH,
-            current_humidity=20.1,
+            current_humidity=math.inf,
             target_humidity=25.7,
         )
     ]
@@ -422,7 +422,7 @@ async def test_climate_entity_with_inf_value(
     assert state is not None
     assert state.state == HVACMode.AUTO
     attributes = state.attributes
-    assert attributes[ATTR_CURRENT_HUMIDITY] == 20
+    assert ATTR_CURRENT_HUMIDITY not in attributes
     assert attributes[ATTR_HUMIDITY] == 26
     assert attributes[ATTR_MAX_HUMIDITY] == 30
     assert attributes[ATTR_MIN_HUMIDITY] == 10