The city has mild weather throughout the year with the climate extremes short lived. The Frankfurt weather remains typically sunny and hot in summers with some rainy days. As per the Frankfurt Climate, the month of July remains the hottest month in Frankfurt. The average high temperature in summers varies in between 55°F to 73°F (13°C to 23°C).
Winter season starts in the month of December to February. The average minimum temperature in winters varies in the range of 27°F to 34°F (-3°C to 1°C). In the coldest month, January light snowfall is likely to occur with windy weather.
Although you can visit this beautiful city of Frankfurt anytime, but the months of April and May with autumn season will be the best time to explore the wonderful beauty of Frankfurt.