Tibooburra has a dry, hot, desert climate with temperatures above 40° Celsius (104 °F) in summer, often reaching as high as 47 °C (117 °F). Temperatures are milder in winter, about 20 °C (68 °F) in the daytime. Tibooburra is the hottest town in New South Wales. There is little rainfall during the year. In March 1949 and January 1974, the town received around or twice its average annual rainfall. In its driest year of 1940, only fell for the whole year.