This chart ranks the sunniest places on Earth by average annual hours of sunshine. Yuma, Arizona, recognised by Guinness World Records as the sunniest place on Earth, sees clear skies over 90% of daylight hours.
About: Sunniest Places on Earth by Annual Sunshine
Overview of the data behind this chartAI Insight
Yuma, Arizona, leads the world with about 4,015 hours of sunshine a year, meaning the sun shines during more than 90% of all possible daylight hours. To put that in perspective, a full year contains roughly 4,380 daylight hours, so Yuma is cloudy for only a tiny fraction of the time. The rest of the list is dominated by desert locations where dry, stable air keeps clouds away: Egypt's Marsa Alam (3,958 hours) and Aswan (3,863), Chile's Calama (3,926) in the Atacama, Arizona's Phoenix (3,871) and Namibia's Keetmanshoop (3,870). All six exceed 3,850 hours, clustering within about 4% of one another. The common ingredient is subtropical high pressure over arid land, the same climatic setting that also produces the world's driest places.
Key Findings
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Sunniest Places on Earth by Annual Sunshine
Data Insights
Numbers, trends & sources behind this chartCategory Rankings
Average Annual Sunshine (hours) · All Time| # | Category | All Time |
|---|---|---|
| 🥇 | Yuma (USA) | 4,015 |
| 🥈 | Marsa Alam (Egypt) | 3,958 |
| 🥉 | Calama (Chile) | 3,926 |
| 4 | Phoenix (USA) | 3,871 |
| 5 | Keetmanshoop (Namibia) | 3,870 |
| 6 | Aswan (Egypt) | 3,863 |
What This Data Shows
Auto-generated trend summaries per categoryFull Data Table
6 records across 1 yearData Sources & References
All external sources cited in this datasetRelated Charts
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