This paper investigates household behavior with regard to consumption and precautionary saving under income uncertainty for durian farmers in Nonthaburi Province using both quantitative and qualitative research methods. A sample of 300 famers provides data collected by questionnaire and examined using the descriptive statistics of percentages mean and standard deviation as well as the inferential statistics of Pearson correlation and multiple regression analysis. The results show that durian farmers have an average income of 1039939.66 Baht per year and average debt of 574871.10 Baht per year. Focusing on precautionary saving behavior durian farmers save approximately 1000 to 5000 Baht per month by way of bank accounts premium saving bonds and human financial assets. In addition they exhibit a medium level of knowledge about philosophy of Sufficiency Economy including saving. However no relationship is found between level of saving and education. Hence the government should increase durian farmers’ knowledge concerning Sufficiency Economy including saving thus embracing improved human well-being as a developmental goal