Weather can also influence intelligence. For example, in a 1938 study by scientists, the IQ scores of a group of undergraduate college students were very high during a hurricanes, but after the storm their scores were 10 percent (%) below average. hurricanes in much of the United States often do badly on exams during the hot months of the year(July and August) weather oafs has strong influence on people's feelings. Winter may be a bad lime for thin people. They usually Feel cold during these months. They might Feel depressed during cold weather. in hot summer weather, on the other hand, fat people may feel unhappy. At about 65'F, people become stronger.