What country has the best holiday weather in September? What is the best time to visit Thailand? What is the sunniest location in Colombia? Climatemaps is made to answer these questions.
Climatemaps is an interactive map of global monthly mean climate data from land observations between 1961 and 1990 (IPCC climate grid data). It is a demonstration of a more detailed and interactive way to visualise climate data than the IPCC climate maps.
The IPCC climate data is visualised as a filled 2D contour plot, with vector contour-lines drawn on top of the filled plot. Both the filled contour raster plot and the vector contour lines are tiled and displayed on top of an OpenStreetMap map, on an OpenLayers 3 dynamic web map. The tiles allow to zoom in to greater detail, without losing performance.
The following free and open source software is used by climatemaps,