January in Herzliya is the rainiest, the cloudiest, and the coldest month of the year. In January, the weather in Herzliya is typically warm. Average daily high temperature in January is about 17 degrees above zero. On average, Herzliya has 20 sunny, 7 rainy, and 4 partly cloudy days in January. The rains are usually moderate. January as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most uncomfortable time to visit Herzliya.