Washington DC Climate & Weather Averages

Climate Insights from Our Writers

“Washington DC offers one of the most complete seasonal experiences of any US city, and I've found the climate patterns fascinating to study. The data shows that July is the warmest month at 27°C, while January is the coldest at 2°C, with four distinct seasons that each bring a different character to the city. The best time for a visit is March through May and September through November, when the temperatures are most comfortable and the city's outdoor attractions — the National Mall, the monuments, the parks — are at their most accessible. The spring months are particularly special, with the cherry blossoms around the Tidal Basin creating a spectacular display that draws visitors from around the world. The data shows that April is the ideal month for the cherry blossoms, with temperatures around 14°C and comfortable conditions for walking the Mall. The summer months are hot and humid, with temperatures reaching 31°C and the humidity making the heat feel oppressive. The winter months are cold but often beautiful, with the possibility of snow that transforms the city's monuments into dramatic winter landscapes. The rainfall is moderate, with Washington receiving about 1,000mm annually, distributed fairly evenly throughout the year. For travelers, the key is planning around the seasons — spring for the cherry blossoms and comfortable temperatures, autumn for the beautiful foliage and cultural events, summer for the festivals and outdoor concerts, and winter for the museums and indoor attractions.”

— Climate & Travel Writer