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America's Sunniest and Cloudiest Cities Revealed by Redfin

other · 2026-04-26

Redfin has analyzed weather data to rank major U.S. cities by annual sunshine and cloud cover. Yuma, Arizona, tops the sunniest list with over 90% sunny days, while Seattle, Washington, is the cloudiest, averaging less than 30% sunshine. The rankings are based on historical weather patterns, including average daily sunlight hours and cloud cover percentages. Other sunniest cities include Phoenix, Las Vegas, and El Paso, while the cloudiest include Portland, Buffalo, and Pittsburgh. The data provides insights for homebuyers and travelers seeking optimal weather conditions.

Key facts

  • Yuma, Arizona, is the sunniest city in America with over 90% sunny days.
  • Seattle, Washington, is the cloudiest city with less than 30% sunshine.
  • Redfin analyzed historical weather data for major U.S. cities.
  • Phoenix, Las Vegas, and El Paso are among the sunniest cities.
  • Portland, Buffalo, and Pittsburgh are among the cloudiest cities.
  • Rankings are based on average daily sunlight hours and cloud cover.
  • The data helps homebuyers and travelers choose locations based on weather.
  • Yuma receives more than 4,000 hours of sunshine annually.

Entities

Institutions

  • Redfin

Locations

  • Yuma
  • Arizona
  • Seattle
  • Washington
  • Phoenix
  • Las Vegas
  • El Paso
  • Portland
  • Buffalo
  • Pittsburgh
  • United States

Sources