🇺🇸 Irvine vs 🇵🇹 Lisbon
Weather Comparison
Current Weather Right Now
🇺🇸
Irvine

78°F
Scattered Clouds
Feels like 78°F
H 83°F / L 73°F
Humidity: 33%
🇵🇹
Lisbon

73°F
Clear Sky
Feels like 72°F
H 74°F / L 70°F
Humidity: 39%
Climate Overview
Irvine
Irvine in Orange County benefits from proximity to the Pacific while sitting in the Irvine Valley between mountain ranges. The city is known for excellent air quality due to prevailing ocean breezes. However, Santa Ana wind events can bring extreme heat and fire danger in fall. The planned city design integrates extensive parks that moderate the urban heat island.
Lisbon
Mediterranean — hot dry summers, mild wet winters, abundant sunshine
Lisbon is one of Europe's sunniest capitals with 2,800+ hours of sunshine annually. Summers are hot and dry; winters are mild. The Atlantic coast provides cooling breezes. The 2017–2024 tourism boom makes summer extremely crowded.
Seasonal Comparison
| Season | 🇺🇸 Irvine | 🇵🇹 Lisbon |
|---|---|---|
| Spring | — | 55–70°F March–May |
| Summer | — | 73–86°F June–August |
| Fall | — | 61–79°F September–November |
| Winter | — | 48–59°F December–February |
Irvine vs Lisbon: Frequently Asked Questions
Does Irvine or Lisbon have better weather?
Irvine and Lisbon have very different climates. Irvine in Orange County benefits from proximity to the Pacific while sitting in the Irvine Valley be Lisbon: Mediterranean — hot dry summers, mild wet winters, abundant sunshine. The best city depends on your preferred season and temperature range.
When is the best time to visit Irvine vs Lisbon?
Best time for Irvine: spring and fall. Best time for Lisbon: April, May, October, November.