diff --git a/mqtt_sensord/sensorlib/misc_sensors.py b/mqtt_sensord/sensorlib/misc_sensors.py
index cf3af14..a072d0f 100644
--- a/mqtt_sensord/sensorlib/misc_sensors.py
+++ b/mqtt_sensord/sensorlib/misc_sensors.py
@@ -134,12 +134,12 @@ class CO2Meter(Sensor):
 
     def get_temp(self):
         if 0x42 in self.values:
-            return self.values[0x42] / 16.0 - 273.15
+            return round(self.values[0x42] / 16.0 - 273.15, 1)
         return None
 
     def get_humidity(self):
         if 0x44 in self.values:
-            return self.values[0x44] / 100.0
+            return round(self.values[0x44] / 100.0, 1)
         return None
 
     def get_data(self):