US Information

Weather in Washington, D.C.

Consider bringing:

  • Umbrella
  • Sunscreen
  • Walking shoes

The weather in July in Washington DC is hot and humid, with the threat of occasional thunderstorms.

As the hottest month of the year in this part of the USA, July in Washington DC offers average temperatures of 27°C (81°F). Also, humidity reaches some of the highest levels of the year.

On average, peak daytime temperatures will reach up to 31°C (88°F) at this time of the year almost every day. However temperatures have reached up to 41°C (106°F) in July. When the temperature falls, average lows still remain very warm at this time of the year. Even at night, the climate never usually drops below an average of 22°C (72°F).

July also offers the most sunshine hours of the year with an average of 9 daily sunshine hours expected every day, the chances of a cloudy day in Washington DC in July is still up to 80%. While there is plenty of warm weather, July is also one of the wettest months of the year. It is common for up to 90mm (3.5 inches) of rain to fall during July, with some rainfall usually occurring on an average of 14 days. Usually the rainfall will be light, but there are times in July when heavy downpours do occur and there is the threat of storms.

Average Weather in the Washington, DC Area

Eating Out & Tipping

  • There are a huge variety of options available for eating out in Washington, DC including take-out, dine-in, and all-you-can-eat buffets to name a few.
  • It is acceptable to ask for a “to-go container” to take your leftover food home with you (except at “all-you-can-eat” buffets).
  • Tipping: Generally at least 15% in restaurants is the norm.
  • Tip for: service at restaurants and taxi cabs, and also for Lyft cars….but not Uber cars.

System of Measurement

The US does not use the metric system.  Common conversions can be found here.

Sales tax is not included

Most states charge an extra 5-10% of the price in tax and it is always included on the bill you are handed.

Money and Exchange rates

You will need cash to buy many items, but debit and credit cards are also widely used. You may find it helpful to exchange at least a small amount of your currency at the airport som that you have some dollars when you arrive. Alternatively, if you have an automatic teller machine (ATM) card, check before your departure to see if you can use it in the United States for withdraws from U.S. banks, and be aware there will likely be charges to use these machines. (There are many ATMs in the DC area.) Link to up-to-date exchange rates

Appropriate behavior

The norms in America for proper behavior are the same as anywhere, globally — courteous and respectful in both language and gestures. For any questions of particular offensive manners, please visit this website.

Laws to know

  • Legal age for any alcohol purchase (or consumption) is 21 years of age
  • Legal age for tobacco use and purchase is 18 years of age

Crossing the Road

Crossing the road as a pedestrian can be challenging. You must wait for the light to turn (see the light symbols below), and often have to wait for a while for the light to change. When the sign across the street lights up with a small male figure (white), you can cross. A number countdown shows the time remaining for you to cross, sometimes only a limited number of seconds to cross large avenues.


GO! (But be aware of cars)

Walking on sidewalks or Driving on Road

Americans drive on the right-side of the road and walk to the right on a sidewalk.  It is polite to move further to the right if you are in a large group and someone is approaching your group on the same sidewalk.


It is best to always carry your identification in a secure location.

Other things to know

  • No negotiating. Prices listed on items, especially in stores, are usually final and not open to negotiation.
  • Tap water is completely safe to drink unless otherwise noted.