Lisbon or Miami: which climate?
Lisbon (Portugal) has a warm-summer mediterranean climate, whereas Miami (United States) has a tropical savanna climate, according to the Köppen-Geiger classification.
The values compared here are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme. The same method and the same period apply to Lisbon and to Miami.
Miami is warmer than Lisbon by 8.4 °C in annual average: 24.4 °C against 16.0 °C.
Miami gets more rain than Lisbon: 1,041 mm per year against 586 mm.
Lisbon and Miami are warming at the same rate: about +0.8 °C between 1940 and 2025 on both sides.
Lisbon averages 2 hot days (≥ 30 °C) and 0 frost days per year; Miami averages 45 and 0.
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
| Indicator | Lisbon | Miami | Difference |
|---|---|---|---|
| Mean daily temperature | 16.0 °C | 24.4 °C | +8.4 °C |
| Average daily high | 18.6 °C | 26.7 °C | +8.1 °C |
| Average daily low | 13.7 °C | 22.3 °C | +8.6 °C |
| Annual rainfall | 586 mm | 1,041 mm | +455 mm |
| Sunshine / day | 10.5 h | 10.6 h | negligible |
| Hot days (≥ 30 °C) | 2 d/yr | 45 d/yr | +43 d/yr |
| Frost days (< 0 °C) | 0 d/yr | 0 d/yr | negligible |
| Rainy days (≥ 1 mm) | 82 d/yr | 162 d/yr | +80 d/yr |
| Mean relative humidity | 78 % | 75 % | -3 % |
| Average peak wind | 23.3 km/h | 21.3 km/h | negligible |
A difference is only reported when it exceeds the resolution of the data. ERA5 is a reanalysis on a grid of about 31 km: two nearby cities often fall in the same cell, and below half a degree you are reading the grid, not the climate.