In August, the weather in Kalmar is typically warm. Average daily high temperature in August is about 19 degrees above zero. On average, Kalmar has 13 partly cloudy, 10 sunny, 5 rainy, and 3 cloudy days in August. The rains are usually light. August as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Kalmar.