In May, the weather in Kalaupapa is typically warm. Average daily high temperature in May is about 25 degrees above zero. On average, Kalaupapa has 23 sunny, 6 partly cloudy, 1 rainy, and 1 cloudy day in May. The rains are usually light. May as well as January, April, June, and July is considered the most comfortable time to visit Kalaupapa.