United States of America

United States of America Weather & Climate: Monthly Averages

Monthly climate averages for the United States of America, temperatures, rainfall and the best time to visit.

Climate overview of the United States of America

The overall climate in the United States of America is temperate, with notable exceptions. Alaska has an Arctic tundra climate, while Hawaii and South Florida have a tropical climate. The Great Plains are dry, flat and grassy, turning into arid desert in the far West.

In terms of temperatures and precipitation there are very large differences throughout the country. The northwest is wet, the southeast fairly wet and the central part of America is dry. What is the best travel time? That all depends on where you want to go and what do you want to do on your holiday? Actually, you can can travel to America all year round, but it depends on your destination.

Explore the United States of America by month

Pick a month to see the average temperature, rainfall and sunshine in the United States of America — and find the best time to visit. (based on New York City)

Places in the United States of America

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

Popular cities

Popular cities by month

Compare cities per month. Toggle cities on/off.

New York City Los Angeles Miami Sedona Houston Las Vegas
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Regional climate differences

Explore the climate diversity across the United States of America.

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

New York City 4°C (39°F) 30°C (86°F) -3°C (27°F) 22°C (72°F) 1276 mm (50 in) 2,544 hours
Los Angeles 18°C (64°F) 25°C (77°F) 9°C (48°F) 18°C (64°F) 235 mm (9.3 in) 3,257 hours
Miami 25°C (77°F) 33°C (91°F) 16°C (61°F) 25°C (77°F) 1619 mm (64 in) 3,122 hours
Sedona 12°C (54°F) 35°C (95°F) 0°C (32°F) 19°C (66°F) 351 mm (14 in)
Houston 17°C (63°F) 35°C (95°F) 7°C (45°F) 25°C (77°F) 1507 mm (59 in) 2,584 hours
Las Vegas 13°C (55°F) 40°C (104°F) 3°C (37°F) 28°C (82°F) 86 mm (3.4 in) 3,838 hours

FAQ

What temperatures can I expect in the United States of America?

Lake Mead is the warmest destination, reaching 42°C (108°F) in July with nights around 28°C (82°F). Fargo is the coolest, with February daytime highs of just -7°C (19°F) and nights dropping to -17°C (1°F). Temperatures vary significantly between regions and seasons. See the city comparison for a full overview.

How much rain does the United States of America get?

Rainfall varies across the United States of America. Arch Cape is the wettest, receiving 3307 mm (130 in) per year, with November the wettest month at 558 mm (22 in). Palm Desert is the driest at 76 mm (3 in) per year. Use the climate map to explore rainfall patterns across regions.

How sunny is the United States of America?

Phoenix is the sunniest destination in the United States of America, enjoying 3,867 hours of sunshine per year, with June the brightest month at 407 hours. Overall, the United States of America enjoys abundant sunshine year-round. Compare sunshine across cities in the charts above.

What is the climate like across the United States of America?

New York City has very warm summers reaching 30°C (86°F) in July and cold winters dropping to 4°C (39°F), with 2,544 hours of sunshine and 1276 mm (50 in) of rain per year. Los Angeles has warm summers reaching 25°C (77°F) in September and pleasant winters dropping to 18°C (64°F), with 3,257 hours of sunshine and 235 mm (9.3 in) of rain per year. Miami has very warm summers reaching 33°C (91°F) in August and warm winters dropping to 25°C (77°F), with 3,122 hours of sunshine and 1619 mm (64 in) of rain per year. Explore the climate charts and comparison table for more cities.

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Travel inspiration

Must-visit destinations and experiences across the United States of America.