This study was conducted in Garbatulla Sub-county of Isiolo County in the year 2016. The purpose of the study was to assess the Impact of climate change on food and nutrition security at household level in Garbatulla sub-county. The study was designed as a cross sectional survey which investigated households food and nutrition status in the midst of the climate change. The study aimed at collecting information from respondents on their current food and nutrition status and adaptation strategies. This was performed by using analytical computer package SPSS version 20.0. Increased use of coping strategies, increasing food prices, increasing reliance on food aid and declining milk production are all indicative of a deteriorating food security and livelihoods situation. According to the study survey findings 279 of the households spent money on food, accounting for 53.86% of total expenditure across the surveyed households. However, other than food, each of the other reported types of expense account for relatively small percentages of the total expenditure.