In January, the weather in Jan Thiel Baai is typically warm. Average daily high temperature in January is about 26 degrees above zero. On average, Jan Thiel Baai has 17 rainy, 10 sunny, and 4 partly cloudy days in January. The rains are usually moderate. January as well as September, October, November, and December is considered the most uncomfortable time to visit Jan Thiel Baai.