Washington, DC Weather
If you want to live somewhere with seasons so opposite from each other, Washington, DC weather is for you. Not only is Washington DC the nation's capital, but it offers amazing architecture and a long history. However, planning outdoor activity does require keeping a close eye on the Washington, DC weather forecast. Winter temperatures here are extremely cold and the summer climate is hot and humid. Local DC weather gets very muggy in the summer months. July and August tend to be the hottest months of the year here averaging 88 degrees with the dew point close to 70%.
Washington, DC Weather Forecast for Winter
Winter in Washington DC can be just as uncomfortable. Instead of the heat it is brutally cold. Local DC weather seems to be one extreme to another. January's average low temperature is 29 degrees. You're lucky if the Washington, DC weather forecast calls for the sun to break and warm the sky. January's average high is a chilly 42 degrees. Major blizzards do hit the DC area, but not every year. Washington, DC weather does produce a lot of snow. About 50% of snow days here produce less than an inch of snow on the ground. January and February do have several days that yield more than 5 inches of snow. A total of 15 inches of snow falls down on the Washington DC area annually.
Local DC Weather does warm up
Close to half of July has daily temperatures reaching 90 degrees or above. In addition to a freezing winter climate, local DC weather gets very hot in the summer. The month of August comes in second place with a total of 8 days that reach to 90 degrees or higher. Let's not forget about the humidity here during the summer season either. The Washington, DC weather forecast reports humidity every summer. Unlike temperature, humidity tends to remain high into the evenings in this type of climate.
Rain does cool things off though. Precipitation in the liquid form begins to fall. Rain begins to increase in the month of June as the weather begins to heat up. On average, there are 9 days of rain in this region of the United States in June totaling 3.23 inches. July and August each have 10 days of rain with a total of 10 inches combined. As temperatures begin to cool down in September to a high of 80 degrees and a low of 62, Washington, DC weather releases about 8 to 9 inches of rain over a third of the month. As a result, total rainfall for the year averages 24 inches.
Washington DC Historical Flood Data
Weather includes many different events ranging from hurricanes and snowstorms to floods and tornadoes. Below is a record of flooding by date in the DC area that includes the total inches of water that resulted. The key to preparing for a flood is to remember that depending on the elevation of your area, a downpour of only a few inches of rain in a short period of time can cause tremendous damage with some areas under several feet of water.
1996 Brought Hurricane Fran which flooded Washington DC with over 16 inches of water. January of that same year snowmelt caused over 8 inches of water to flood the city.
In 2003 the deadliest Atlantic hurricane of the year Hurricane Isabel brought in tidal waters in the amount of 10 inches and caused catastrophic flooding.
Hurricane Agnes which in 1972 was the costliest hurricane to date caused over 8.5 inches of water to flood the Washington DC area. It would be over a decade later before the nation's capital would see a repeat disaster in the Election Day Flood of 1985.
In the 1930's and 1940's there were several floods ranging from 8.7 inches to over 11 inches of flood waters taking things out in it's path.
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Local Washington, DC Weather Resources