Dependence on agroon agro-climate condition, rice farming system in Serang Municipality is one of sectore that vulnerable to climate variability. Analysis on local climatic data series, which are temperature, precipitation and number of rain days, shows the tendency of temperature increase and the shift in rainfall patten. Based on questionnaire surver result, the majority of paddy fermers already aware of the changes in climate and experienced the impact in their faming system. Statistical analysis indicates some attributes of farmers that significantly related to adaptation measures are land ownership, type of rice field , and distance with water rescources, meanwhile the internal factors (characteristics, knowledge and perception) only have small influence on adaptation measures. Both of structural and non-structural adaptation approaches can be used as adaptation strategies to overcome the impact of climate variability.