Rainfall Variability and its impacts on different sectors of the economy and ecosystem are getting more and more importance and attention from researchers worldwide. This study is based on rainfall variability of the District Zhob of Balochistan for 11 years from 1999 to 2009. The results show that this small district of semiarid climate has high variability in precipitation. Zhob falls in the extremely high rainfall variable area. Its highest coefficient of variation is 170% in the year 2000. Autumn is the season with extreme rainfall variability. October has high rainfall variability of 274%. The highest rainfall variability has adverse effects on agriculture, fruit production, and livelihoods of the local people.