Average monthly temperatures
United States Of America has a wide range of climates depending on which part of the country you visit.
The best time to visit United States Of America is usually between June and September but in the warmer areas such as Florida, California and Las Vegas, spring and autumn usually offer the best all round holiday weather.
The hottest month of the year is July with an average daily maximum of 30 C and an average low of 21 C.
The coolest month of the year is January with an average daily maximum of 4 C and an average low of -3 C.
Sunshine and rainfall
The driest month is September with 20 mm of rainfall and 27 perfect sunny days. The wettest month is January with 39 mm of rain over 4 days.