Travel Information

Destination Overview
Washington D.C is the capital of patriotic monuments and symbols of political power. Home to influential institutions including Congress and the White House, the city also boasts some of the best museums and art galleries in the world. Monuments and memorials, eclectic neighborhoods, true local flavor – Washington, DC is a place unlike any other.

Time Zone
Washington D.C will be observing Eastern Daylight Time (EDT) during the RWISO Conference. The time zone offset will be UTC/GMT -4. 

Washington D.C. has a warm sea climate. Summers are warm, and winters tend to be mild most years. Although in January and February there is a chance of snowfall. In July and August temperatures are on average around 30 degrees Celsius (86 degrees Fahrenheit). From July until December hurricanes sometimes hit the region. During the month of May, you will experience pleasant weather. Average temperatures for May include a high of 24 degrees Celsius (75 degrees Fahrenheit) and a low of 13 degrees Celsius (54 degrees Fahrenheit).

Passport and Visa
To visit the United States, you must have a valid passport.  In some cases, the passport must be valid for more than three months beyond your visit. Before traveling to the U.S., a citizen of a foreign country must generally obtain a nonimmigrant visa for temporary stay.  United States citizens do not need a U.S. visa for travel.  CLICK HERE for more information in the U.S. visa requirements.  Please contact the RWISO office if you need a personalized invitation letter to obtain your Visa.

There are three major airports in the Washington, DC region. All three-offer multiple U.S. and international flights daily.

  • Reagan National Airport (DCA) is located just across the Potomac River in Virginia and is the closest airport to DC. It is accessible via its own Metro stop on the Blue and Yellow Lines. A ride into downtown DC will cost about $15-$20. 
  • Dulles Airport (IDA) is located 26 miles from DC in suburban Virginia. It has a dedicated access road that makes getting into the city efficient via car, taxi or airport shuttle. Washington Flyer taxi cabs exclusively service Dulles Airport. Taxi stands are located outside the main terminal at Door 2 and Door 6. A ride into DC will cost about $60-$68.
  • Baltimore/Washington Airport (BWI) is a bit further out in Baltimore, but oftentimes that means you can find even better flight deals. BWI Airport is accessible via an Amtrak train route that drops off at DC’s Union Station. A reserved seat on the train will cost $15-$30.

Ground Transportation

  • Metrorail and Metrobus are the most convenient ways to get around DC, with Metrobus providing connections for locations not serviced by Metrorail. Metro operates from 5 a.m. to midnight on weekdays and from 7 a.m. to midnight on weekends.
  • Taxi service is plentiful and economical in DC. Taxis use a metered system just like every other city in the country. All taxis also accept credit and debit cards as payment, as well as cash.


The United States uses the US Dollar.   Please use the following Currency Converter to learn more about the value of the dollar against other currencies.  All major credit cards are generally accepted (Mastercard, Visa, AMX, Diners Club) so is cash. The standard for tipping for waiters is 15-20%

The electrical current in the United States is 120 volts.  If you travel to the U.S. with a device that does not accept 120 Volts at 60 Hertz, you will need a voltage converter.  Most laptops have an AC/DC adapter built in the cord and a converter is not needed.  However, you will need an adapter plug. CLICK HERE for more about electricity in the U.S.