ABSTRACT. - Hazards Generated by Extreme Temperatures and Maximum Amounts of Precipitation Fallen in 24 Hours in the North-Western Region of Romania. The main purposes of this study were to show the characteristics of the absolute temperatures, of maximum precipitation amount fallen in 24 hours and geographical risks generated by them in the North-Western region of Romania (mountainous and hilly areas). We used homogenous series of data for 40 years (1961-2000), from eight weather stations: Vladeasa, Iezer (mountain weather stations), Baia Mare, Bistrita, Cluj-Napoca, Dej, Sighetu Marmatiei, Zalau. The main conclusions we reached are: the most part of monthly and yearly absolute maximum temperature occurred in the last decade and the most part of extreme minimum temperature characterized the first decade of the period 1961-2000; the maximum amounts of precipitation registered in the mountain areas are higher that those in the hilly areas; in the same time, the highest amounts is characteristic to Baia-Mare Weather Station due to its special location (on the western slope of the mountain); the probability of occurring for different amounts is: almost every year is possible to have a precipitation amount in 24 hours above 20 mm, for the whole analysed area and that amounts higher than 40 mm are caracteristic especially for the mountain areas. Temperature risks are more frequent in the hilly area while precipitation risks are more frequent in the mountainous areas than in the hilly areas.