|Washington DC is located between the hotter south and colder north, and can be hot and humid in the summer, and get some heavy snowstorms in the winter. Hot summer weather and high humidity combine to make thunderstorms common and tornados, while not common, are possible. Fall is mild, warm, and usually very enjoyable. Winter ranges from mild to stormy, with high temperatures in the 40s and lows in the 20s. Spring is the nicest time of the year for weather in Washington DC, the humidity is low, temperatures are warming, and the trees are blooming.