The paper is aiming provide a joint preliminary approach on assessing climate hazards in the Romanian-Bulgarian Danube Floodplain sector developed in the framework of the EU Romania -Bulgaria Cross Border Cooperation Programme project on integrated assessment of natural and technological hazards: "Romanian - Bulgarian cross-border joint natural and technological hazards assessment in the Danube floodplain. The Calafat-Vidin - Turnu Magurele-Nikopol sector (ROBUHAZ-DUN)". In the framework of this project, the authors are seeking to assess the occurrence, frequency and magnitude of the selected climate hazards (aridity and drought, heavy rainfall frost and hoarfrost, hail, and blizzard) based on the common data gathering, database homogenisation and joint computing of monthly and annual mean and extreme climatic values, as well as relevant climate indexes and indicators. Consequently, each climatic hazard will be assessed using a GIS-based methodology aiming to provide both the spatial distribution of the analysed extreme weather phenomena and the resulted hazard intensity classes. The current study is focused on frost and hoarfrost and aridity and drought and relies on the real database for the 1961-2007 time span from the Calafat, Bailesti, Bechet, Turnu Magurele (for the Romanian side) and Lom, Vidin and Novo Selo weather stations (for the Bulgarian side).