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

54°F
Moderate Rain
Feels like 53°F
H 55°F / L 52°F
Humidity: 87%
🇵🇹
Lisbon

72°F
Clear Sky
Feels like 71°F
H 74°F / L 70°F
Humidity: 41%
Climate Overview
Allentown
Allentown in the Lehigh Valley south of the Blue Mountain Ridge has a sheltered climate with less precipitation than the coastal plain. The Blue Mountain blocks some northwesterly cold air creating slightly milder conditions. The Lehigh River creates valley humidity and the dense urban core has significant heat island effects.
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 | 🇺🇸 Allentown | 🇵🇹 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 |
Allentown vs Lisbon: Frequently Asked Questions
Does Allentown or Lisbon have better weather?
Allentown and Lisbon have very different climates. Allentown in the Lehigh Valley south of the Blue Mountain Ridge has a sheltered climate with less pr 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 Allentown vs Lisbon?
Best time for Allentown: spring and fall. Best time for Lisbon: April, May, October, November.