diff --git a/esphome/components/climate/__init__.py b/esphome/components/climate/__init__.py
index b8e49db6c..2150a30c3 100644
--- a/esphome/components/climate/__init__.py
+++ b/esphome/components/climate/__init__.py
@@ -117,9 +117,7 @@ CONF_MIN_HUMIDITY = "min_humidity"
 CONF_MAX_HUMIDITY = "max_humidity"
 CONF_TARGET_HUMIDITY = "target_humidity"
 
-visual_temperature = cv.float_with_unit(
-    "visual_temperature", "(°C|° C|°|C|°K|° K|K|°F|° F|F)?"
-)
+visual_temperature = cv.float_with_unit("visual_temperature", "(°|(° ?)?[CKF])?")
 
 
 VISUAL_TEMPERATURE_STEP_SCHEMA = cv.Schema(