Moab has an arid climate characterized by hot summers and cool winters, with
precipitation evenly spread over the year (usually less than one inch per
month). There are an average of 41 days with temperatures reaching 100 °F
(38 °C), 109 days reaching 90 °F (32 °C), and 3.6 days per
winter where the temperature remains at or below freezing. The highest
temperature was 114 °F (46 °C) on July 7, 1989. The lowest
temperature was −24 °F (−31 °C) on January 22, 1930.
Average annual precipitation in Moab is