In May, the weather in Jan Thiel Baai is typically hot. Average daily high temperature in May is about 28 degrees above zero. On average, Jan Thiel Baai has 14 partly cloudy, 8 cloudy, 7 sunny, and 2 rainy days in May. The rains are usually light. May as well as February, March, and April is considered the most comfortable time to visit Jan Thiel Baai.