January in Estoril is the rainiest and the cloudiest month of the year. In January, the weather in Estoril is typically warm. Average daily high temperature in January is about 14 degrees above zero. On average, Estoril has 15 rainy, 10 sunny, and 6 partly cloudy days in January. The rains are usually heavy. January as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most uncomfortable time to visit Estoril.