It is consider psychophysiological indicators of students at the weather conditions of the 1st and 3rd types. In the study, 17 people attended the group of general physical training, 17 people of group of the health swimming and 17 swimmers 3-th digit (men by age 19-23 years). It is set that at the meteorological situation of 3th type, in comparison from 1th, for persons with greater intensity of engaged in swimming, psychophysiological indexes tested less negative influence of weather, than for swimmers with less intensity of employments. It is well-proven that swimming is the effective mean of increase of firmness of organism of man to unfavorable influences of weather.