Climate of USA — Month by Month
Country-wide average for United States of America. Part of Northern America, America.
Located in Northern America, America, United States of America has a seasonal climate. Country-wide average temperatures range from 2°C / 35.6°F in January to 25.5°C / 77.9°F in July, with annual rainfall totalling around 887 mm / 34.9 in — driest in February (58 mm / 2.3 in), wettest in July (88 mm / 3.5 in). These are national averages; regional variation can be substantial, especially in geographically diverse countries. For city-level detail see the cities section below, and for state or province breakdowns follow the subdivisions link if available.
Best time to visit United States of America →
See all 52 subdivisions side by side →
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 2°C35.6°F | 62 mm2.4″ | Snowy |
| February | 3.5°C38.3°F | 58 mm2.3″ | — |
| March | 8°C46.4°F | 72 mm2.8″ | — |
| April | 13.5°C56.3°F | 75 mm3″ | — |
| May | 18.5°C65.3°F | 82 mm3.2″ | — |
| June | 23°C73.4°F | 85 mm3.3″ | — |
| July | 25.5°C77.9°F | 88 mm3.5″ | — |
| August | 25°C77°F | 82 mm3.2″ | — |
| September | 21°C69.8°F | 78 mm3.1″ | — |
| October | 15°C59°F | 72 mm2.8″ | — |
| November | 8.5°C47.3°F | 68 mm2.7″ | — |
| December | 3.5°C38.3°F | 65 mm2.6″ | — |
Frequently asked questions
What is the best time to visit United States of America?
United States of America does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 25.5°C / 77.9°F, and the driest is February at 58 mm / 2.3 in — likely your best travel window.
What is the climate of United States of America?
United States of America has country-wide monthly average temperatures ranging from 2°C / 35.6°F in January to 25.5°C / 77.9°F in July. Annual rainfall averages about 887 mm / 34.9 in, with the wettest month being July (88 mm / 3.5 in) and the driest February (58 mm / 2.3 in). Regional variation within United States of America can be significant — see subdivision or city pages for detail.
What is the hottest month in United States of America?
The hottest month in United States of America is July, with a country-wide average temperature of 25.5°C / 77.9°F.
What is the coldest month in United States of America?
The coldest month in United States of America is January, with a country-wide average temperature of 2°C / 35.6°F.
When does it rain most in United States of America?
The wettest month in United States of America is July, averaging about 88 mm / 3.5 in of rain. The driest is February with about 58 mm / 2.3 in.