February in Cayenne is the windiest, the cloudiest, and the coldest month of the year. In February, the weather in Cayenne is typically warm. Average daily high temperature in February is about 26 degrees above zero. On average, Cayenne has 28 rainy and 1 sunny day in February. The rains are usually heavy. February as well as January, March, April, and May is considered the most uncomfortable time to visit Cayenne.