Climate Visualiser is an interactive desktop application for the analysis and visualisation of AGCD and ANUClimate monthly climate data sets. Monthly gridded maximum and minimum temperature data at 0.05 degree resolution, and rainfall data at 0.01 and 0.05 degree resolution, over Australia from 1900-2023, have been downloaded from the NCI (National Computational Infrastructure) OPeNDAP server as netCDF files. Maps of average rainfall, maximum and minimum temperature conditions, over any period, can be displayed similar to those available on the Bureau of Meteorology's Climate website. The Climate Visualiser application is written entirely in IDL.