Manifestations of climate variability in the department of Alibori in Benin

The manifestations of climate variability are a major problem for all communities around the world and particularly populations Department Alibori in northern Benin. This study aims to characterize department north Republic Thus, climatic data such as rainfall, air temperature relative humidity were collected from national meteorological service. These analyzed using descriptive statistics (mean values) graphical representations. results obtained reveal that over period 1961 2020, average varies between 25 ° C January 33 April. Year-to-year variations show is rising steadily 1961-2020. Higher than values ​​were recorded 1985. Relative remained excess (above 55% which interannual average) 1960 1982 deficit after (humidity below 55%). bioclimatic comfort most felt during months May, November, April March 1971-2015. sensation mainly morning (from 6 9 hours).