However, supplemental irrigation is inevitable in order to increase the cassava yield rather than the expansion of cultivated lands. The mean daily maximum temperature oscillated between 28 and 36°C in the first season and 26 and 35°C in the second one while the mean daily minimum temperature ranged between 15 and 24°C and 16–23°C, respectively, for the two seasons. The highest mean daily maximum temperature values were recorded in March, while the highest mean daily minimum temperatures occurred in December in the two cropping season