tropical rainy climate

tropical rainy climate

[′träp·ə·kəl ¦rān·ē ‚klī·mət]
(climatology)
A major category in W. Köppen's climatic classification, characterized by a mean temperature of the coldest month of 64.4°F (18°C) or higher, and by a mean annual precipitation, in inches, greater than 0.44(t-a), where t is the mean annual temperature in degrees Fahrenheit, and a equals 32 for precipitation chiefly in winter, 19.4 for evenly distributed precipitation, and 6.8 for precipitation chiefly in summer.
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