To verify the influence of the weather on suicides.A retrospective descriptive study.County of Cartagena.All the suicides recorded in the Anatomical Forensic Institute of Cartagena between 1986 and 1993.Creation of a data base with the essential features of each suicide and all the relevant bioclimatological variables of the exact moment they happen.A statistical description of each variable was made. The relationship between the different variables was defined by the Pearson chi 2 test and residual analysis. The sample data were compared with the population data (Neyman-Pearson and Pearson chi 2 tests), p < 0.05. 149 suicides were recorded. These suicides occur during the day, Monday and Saturday being the days with the highest number of them. Distribution throughout the month was homogeneous: July was the month with most suicides. There was an age band in the second and third decades of life and a peak in elderly people. Our sample had 77.9% men. Retired people and housewives predominated.Suicides are generally influenced by meteorological factors.