Climate in United States — When to Visit & Weather Guide
We cover 15 destinations in United States, with arid, continental, mediterranean, oceanic, semi arid, subtropical, tropical climates. Each guide below has month-by-month temperatures, rainfall and the best time to go — all calculated from four years of historical weather data.
Destinations in United States
United States climate at a glance
| Destination | Climate | Hottest month | Wettest month | Best time |
|---|---|---|---|---|
| Austin | Subtropical | August (36.2°C) | May (196.2mm) | All year |
| Boston | Continental | July (28.4°C) | September (143.8mm) | All year |
| Chicago | Continental | July (27.2°C) | July (172.8mm) | All year |
| Denver | Semi Arid | July (32.0°C) | May (90.8mm) | All year |
| Honolulu | Semi Arid | August (29.3°C) | March (77.7mm) | All year |
| Las Vegas | Arid | July (41.6°C) | August (25.5mm) | September to June |
| Los Angeles | Mediterranean | August (31.8°C) | December (129.0mm) | All year |
| Miami | Tropical | August (31.4°C) | September (241.4mm) | All year |
| New Orleans | Subtropical | August (31.6°C) | July (231.5mm) | All year |
| New York | Continental | July (29.9°C) | October (181.2mm) | All year |
| Orlando | Subtropical | August (31.9°C) | September (369.8mm) | All year |
| San Diego | Semi Arid | September (25.6°C) | March (81.3mm) | All year |
| San Francisco | Oceanic | September (20.3°C) | December (182.2mm) | All year |
| Seattle | Oceanic | August (24.9°C) | January (216.0mm) | All year |
| Washington DC | Continental | July (31.7°C) | August (223.4mm) | All year |
Planning a trip to United States? Get the full country picture — currency, language, dialling codes and facts at 247CountryInfo → and check clothing sizes in United States at 247Sizing before you shop.
Frequently Asked Questions
When is the best time to visit United States?
New York: All year. Los Angeles: All year. Miami: All year. Las Vegas: September to June.
What is the climate like in United States?
Destinations we cover in United States have arid, continental, mediterranean, oceanic, semi arid, subtropical, tropical climates — see each destination's annual climate page for the full breakdown.
As an Amazon Associate we earn from qualifying purchases. Links below are affiliate links.
Find out exactly what to pack for United States at 247PackingList, with ready-made checklists for every destination. And check clothing sizes in United States at 247Sizing before you shop.
Planning your United States trip?
For currency, language and country facts, see the United States guide at 247CountryInfo.
United States travel accessories
Last updated:
Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.