Weather & climate FAQ — United States
Answers to the most-searched weather and climate questions about United States, from 2020–2024 daily observations across 46 cities.
United States hub ★ Best time to visit United States
Frequently asked questions
What is the weather like in United States?
Climolog covers 46 cities in United States with 2020–2024 daily weather observations. Typical monthly highs range from 10.4°C (in January) to 31.9°C (in July); see each city's page for day-by-day history and month-by-month averages.
What is the climate in United States by month?
Across United States, the hottest month is July (avg high 31.9°C) and the coldest is January (avg low 1.2°C). For the full month-by-month breakdown across every city, see the best-time-to-visit guide for United States.
When is the best time to visit United States?
The best months to visit United States are October, September, May — the highest travel-comfort scores across the country's cities (comfortable temperatures, low rainfall, and good sunshine). See the month-by-month ranking for United States for the best city in each month.
What is the hottest month in United States?
July is the hottest month, averaging a high of 31.9°C across United States's cities. See July climate details.
What is the coldest month in United States?
January is the coldest month, averaging a low of 1.2°C across United States's cities. See January climate details.
What is the wettest month in United States?
March is the wettest month, averaging about 91.8 mm of rain per month across United States's cities. See March climate details.
What is the driest month in United States?
November is the driest month, averaging about 66.4 mm of rain per month across United States's cities. See November climate details.
When is the rainy season in United States?
The wettest months in United States are March, May, July, which together form the main rainy season. Travel is usually drier and more comfortable in October.
Which city in United States has the best weather?
Among United States's cities, Los Angeles has the best weather — its best month is July (travel-comfort score 100/100). See its best-time-to-visit guide.
How many cities does Climolog cover in United States?
Climolog covers 46 cities in United States with 2020–2024 daily weather data. Browse them all on the United States hub.
Best time to visit by month
Best time to visit in October Best time to visit in September Best time to visit in May
Each links to the month hub listing every city whose single best-weather month is that month.