What UV rating should I use when calibrating my Weather Station? Matt W 06 March 2020 05:06 Updated Follow The correct UV rating to use when calibrating your Weather Station in Australia is 3.2. Related articles Why is my Wi-Fi Weather Station offline on Weather Underground after initial setup? How do I set up my Weather Station? Why isn't my timezone available when setting up my Weather Station? Comments 0 comments Please sign in to leave a comment.