The effects of climate change on agriculture have been widely studied. However, it is necessary to keep studying the responses that farmers could have to climate change. One of these responses is the adaptation. We have used anticipatory and reactive adaptation because we wanted to know if farmers prefer options to avoid or to face negative effects. The objective of this research was to understand how risk preferences along with social capital affect the decision to implement anticipatory or reactive adaptation options to climate change. This study took place in central Chile, data were collected through a field experiment from September to December 2016 with 163 vineyard farmers; we used the structural and midpoint methods to estimate the Cumulative Prospect Theory (CPT) parameters. Finally, we identify 5 anticipatory and 4 reactive adaptation options. The parameters indicate vineyard farmers are strongly risk averse and sensitive to losses, and their determinants are grape area, membership and subjective norms for risk aversion, and age, household size, and education for loss aversion. The main drivers for anticipatory adaptation are network, trust, time to market and area, and the main drivers for reactive adaptation are risk aversion, institutional trust, age and time to market.