When is the best time to go to the United States (USA)?

When is the best time to go to the United States (USA)? Here's some information to help you in your decision:

  • In the United States (USA), the weather is good across more than 67% of the territory for: May, June, July, August, September and October
  • The best months to go to Washington D. C. are April, May, June, July, August, September and October
  • On average, the warmest months in Washington D. C. are June, July and August, and the coldest month of the year is January
  • The rainiest months in this city are May, June, July, August, September and October
  • The cities with the best climate are Hawaii (Honolulu), Houston, Edisto Beach, McAllen and Port Aransas, with good weather at least 11 months a year
  • The best months for swimming in California are June, July, August, September and October

Annual weather in the United States (USA)

For information about the climate and the weather city by city in the United States (USA) for a specific month, click on the corresponding line below:

January -0°F to 77°F
1 to 17 days*
February 5°F to 77°F
0 to 14 days*
March 5°F to 83°F
0 to 16 days*
April 18°F to 90°F
1 to 12 days*
May 29°F to 95°F
0 to 14 days*
June 38°F to 106°F
0 to 16 days*
July 43°F to 106°F
0 to 18 days*
August 43°F to 106°F
0 to 20 days*
September 38°F to 103°F
0 to 19 days*
October 25°F to 92°F
0 to 12 days*
November 7°F to 81°F
1 to 17 days*
December 4°F to 79°F
1 to 15 days*
* weather varies across the country

Best time to travel to United States by cities

Chargement en cours


The best months to go to California are march, april, may, june, august, september, october and november.



The best months to go to Louisiana are march, april, may, june, july, september, october and november.

Washington D. C.

Washington D. C.

The best months to go to Washington D. C. are april, may, june, july, august, september and october.

See full list of cities

Temperatures and rainfall in the United States (USA)

On these 3 graphs, we present the evolution of temperatures of United States and month-by-month rainfall for the cities of California, Louisiana, Washington D. C., Alaska and Atlanta, as well as the month-by-month sea temperature for coastal cities.

Peak visitor numbers and tourist seasons in the United States (USA)

Find out when United States has its high tourist season (the period when the influx of tourists is highest) and off-peak tourist season using our data and figures.

Tourist seasons in the United States (USA)

The months with low numbers of tourists are: January, February, November and December. The number of visitors to United States is high in: March, April, May, June, July, August, September and October.

  • Very low season in the United States (USA): January and February.
  • Low season in the United States (USA): November and December.
  • High season in the United States (USA): March, April, May, June, September and October.
  • Peak season in the United States (USA): July and August.

Figure: Visitor index for United States month by month

Average price for flights to the United States (USA)

A return flight between London and New York City is generally cheaper if you go in march ($ 400 on average): this is the best time for travellers on a tight budget. In contrast, you may end up paying $ 179 more for your airline ticket to New York City if you go in august.

Find the best price for your flight

Where to go in the United States (USA)?

This table allows you to see the maximum temperature for each city and our opinion on the weather month by month (see colour legend below the table).

Cities jan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.
Washington D. C.43°F47°F56°F67°F77°F86°F92°F88°F83°F70°F58°F49°F
Grand Canyon43°F47°F56°F63°F70°F85°F86°F85°F79°F67°F56°F43°F
Hawaii (Honolulu)77°F77°F77°F77°F79°F81°F83°F83°F83°F83°F81°F79°F
Las Vegas52°F56°F67°F76°F85°F97°F101°F99°F94°F77°F63°F50°F
Miami (Florida)74°F76°F77°F81°F83°F86°F88°F88°F88°F85°F79°F77°F
New York City38°F41°F49°F59°F70°F79°F86°F85°F77°F67°F54°F45°F
Salt Lake City38°F40°F49°F58°F67°F79°F88°F86°F79°F63°F50°F38°F
Yellowstone National Park23°F23°F31°F38°F49°F63°F74°F72°F63°F45°F31°F22°F
Long Beach (Washington)49°F49°F50°F54°F58°F61°F65°F65°F65°F59°F54°F49°F


perfect weather

good weather

tolerable weather

bad weather

very bad weather

About United States

What can I do in the United States (USA)?

Beaches / swimming

Nature and countryside

Culture and heritage


Family travel

Crafts / shopping



Is this weather information for United States reliable?

Climate data for United States has been gathered every day since January 2009. The analysis of these meteorological data for United States allows us to determine the average for each month in California, Louisiana, Washington D. C., Alaska, Atlanta, Boston, Chicago, Dallas, and 92 other cities.

So yes: this data is reliable except in cases of temporary climate disruption in the region.

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