If possible mount it: - at least 1.5m above ground to avoid dust from the ground getting into the sensor - avoid proximity to HVAC system or barbecue grills etc

If possible mount it: - at least 1.5m above ground to avoid dust from the ground getting into the sensor - avoid proximity to HVAC system or barbecue grills etc that could influence the sensor - if possible mount it in permanent shadow so that you get a relative accurate temperature reading (if needed)