Highest score at 8.7, with mild highs of 21°C and lower rain days (6.6) than summer.
Shoulder season
Mar, May, Nov
Tough weather
Jan, Jul
Capital
Washington, D.C.
Language
English
Currency
United States dollar (USD)
Time zone
UTC-12:00, UTC-11:00 +9
Plugs
Type A, B · 120 V
Driving
On the right
Emergency
911
Why visit United States
The United States covers 9,372,610 square kilometers, so one trip usually means picking a region, not the whole country. It suits road trips, national park visits, and city breaks, with English spoken everywhere and the US dollar the only currency to carry. April, September and October tend to bring milder weather in much of the country, avoiding peak summer heat and crowds. The honest catch: distances are huge, so flights or long drives are often needed between regions.
A country the size of a continent
The United States covers 9,372,610 km2, making it one of the largest countries on Earth. With 341,784,857 people spread across that space, you can go from dense cities to wide-open land without crossing a border.
Eleven time zones, endless variety
The US spans 11 time zones, from UTC-12:00 to UTC+12:00. That range reflects huge differences in geography and climate between regions, so the weather and scenery can look completely different a few hours' flight apart.
Clear windows for good weather
October, April and September stand out as the best months to visit. These shoulder-season months tend to avoid the extremes of midsummer heat and midwinter cold in many parts of the country.
English makes travel simple
English is the main language nationwide, which helps independent travellers navigate signs, transport and bookings without needing to learn a new language before the trip.
Easy for drivers from similar countries
Traffic drives on the right and uses 120 V power with plug types A and B. Travellers from much of Europe, Asia and the Americas will find the electrical setup and driving side familiar enough to adapt quickly.
Is United States right for you?
Great for
Spring and autumn trips: April, September and October bring average highs of about 21–28°C.
Travellers who want long sunny days: June averages 12.7 hours of sun, July 12.5.
Long road trips: the country covers 9372610 km², and traffic drives on the right.
English speakers, since English is the main language across the country.
Less ideal for
People who struggle in heat: July highs average 32.2°C, with nights around 22.1°C.
Travellers who dislike cold: January averages highs of 6.4°C and lows of -3.5°C.
Anyone wanting dry weather in May, the wettest month with 187 mm over 13.9 rain days.
Short trips hoping to see a lot, because distances across 9372610 km² are long.
United States right now: November
6.7/10
Avg high
14°C
Avg low
4°C
Rain days
6
Averages for United States.
Weather by month
This climate data is for Washington, D.C. October, April and September bring warm days between 21°C and 28°C with less rain than spring, making them the most comfortable stretch. January and July are the toughest: January is cold with lows near -3.5°C, while July turns hot and humid with highs around 32.2°C and frequent rain.
Best monthsOther months (low–high)Nd = rain days
United States (country average) · averages 2015–2024
Slow-smoked meat such as beef brisket or pork ribs, with regional styles found across the South and Texas. Sauces and rubs vary widely by state.
Cheeseburger
A beef patty with cheese, found on menus nationwide. It is a casual, everyday meal served in diners and at cookouts.
Clam Chowder
A creamy soup with clams and potatoes, especially popular in New England. It is often served in a bread bowl near the coast.
Tex-Mex Tacos
Tortillas filled with meat, beans, or vegetables, common in the Southwest and Texas. Styles blend Mexican and American tastes.
Apple Pie
A baked pastry with a sweet apple filling, traditionally served as dessert. It is a classic found at family meals across the country.
Maine Lobster Roll
Lobster meat served in a split, toasted bun, a specialty of the New England coast. It is eaten as a casual lunch, often near the sea.
Know before you go
Plugs and voltage:
The US uses plug types A and B, with flat two or three pin prongs. Voltage is 120 V, lower than in Europe, so check your chargers and appliances before you travel.
Driving side:
Cars drive on the right. If you're used to left-hand driving, take extra care at junctions and roundabouts, especially in the first few days.
Emergency number:
Dial 911 for police, fire or medical emergencies anywhere in the country. Operators can usually connect you to services in other languages too.
Currency:
The United States dollar (USD) is the only currency used nationwide. Cards are widely accepted, but it's worth carrying some cash for smaller purchases.
Language:
English is the main language spoken across the country. Spanish is also common in many regions, but English will get you through almost anywhere.
Time zones:
The US spans multiple time zones, from UTC-12:00 to UTC-08:00 across the mainland, plus outlying zones at UTC+10:00 and UTC+12:00. Double-check local time when booking flights or calls between regions.
Tipping:
Tipping is expected in restaurants, bars and taxis across the US. Service staff often rely on tips as a core part of their income, so factor this into your travel budget.
United States: frequently asked questions
When is the best time to visit the United States?
October, April and September score highest, between 7.6 and 8.7 out of 10. October highs average 21.2°C with 82mm of rain over 6.6 days, April highs reach 20.6°C with 88mm of rain, and September brings 28.4°C highs and just 5.9 rain days. These months balance warm days, lower rainfall and good sun hours of 9 to 10.5 a day.
Is the United States good to visit in August?
August is workable but not top-rated, scoring 5.8 out of 10. Highs average 31.2°C with lows near 21°C, so days are hot. There are 82mm of rain spread over 8 days and 11.8 hours of sun, so expect warm, fairly bright weather with occasional showers.
How hot does it get in July in the United States?
July is the hottest month, with highs averaging 32.2°C and lows of 22.1°C. It scores only 3.7 out of 10 for travel comfort, the lowest of the year alongside January. Rainfall is moderate at 76mm over 8.6 days, but the heat combined with 12.5 hours of sun makes midday conditions intense.
What is winter like in the United States?
Winter months are cool and score low for travel comfort. January averages a high of 6.4°C and a low of -3.5°C, with 34mm of rain over 5.5 days and just 7 hours of sun, giving it a score of 3.7. December is similar, with a 9°C high and a score of 4.4, making this the quietest, coldest stretch of the year.
What is the emergency number and electrical setup in the United States?
Dial 911 for emergencies anywhere in the country. The electricity supply runs at 120V, and plugs are types A and B, the standard flat two- or three-pin style. Traffic drives on the right, and the currency is the United States dollar (USD).
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