What is the best time to visit Washington?

Early to mid-September is the best time to visit Washington. The skies are relatively less cloudy and flowers are blooming. In September, the average high-temperature is 21.4°C, and the average low-temperature is 11.2°C. It rains for an average of 7.9 days, with typically 1.5" (38.1mm) of precipitation.

July and August are also a good time to visit and these are mostly rainless months. The weather is mostly sunny and pleasant. The average high temperature ranges between 22.8°C to 28.3°C and 7.2°C to 55°F 12.8°C. July and August are also the main festival months.