Cape Town or Nice: which climate?
Cape Town (South Africa) has a warm-summer mediterranean climate, whereas Nice (France) has a warm-summer mediterranean 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 Cape Town and to Nice.
Cape Town is warmer than Nice by 3.0 °C in annual average: 16.3 °C against 13.3 °C.
Nice gets more rain than Cape Town: 859 mm per year against 539 mm.
Cape Town gets 10.9 hours of sunshine per day on average, against 10.2 hours in Nice.
Nice has warmed by +2.3 °C between 1940 and 2025, against +0.8 °C in Cape Town. Nice is therefore warming faster than Cape Town. Both trends are statistically significant.
Cape Town averages 0 hot days (≥ 30 °C) and 0 frost days per year; Nice averages 1 and 11.
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 | Cape Town | Nice | Difference |
|---|---|---|---|
| Mean daily temperature | 16.3 °C | 13.3 °C | -3.0 °C |
| Average daily high | 18.7 °C | 16.7 °C | -2.0 °C |
| Average daily low | 14.4 °C | 10.0 °C | -4.4 °C |
| Annual rainfall | 539 mm | 859 mm | +320 mm |
| Sunshine / day | 10.9 h | 10.2 h | -0.7 h |
| Hot days (≥ 30 °C) | 0 d/yr | 1 d/yr | negligible |
| Frost days (< 0 °C) | 0 d/yr | 11 d/yr | +11 d/yr |
| Rainy days (≥ 1 mm) | 77 d/yr | 109 d/yr | +32 d/yr |
| Mean relative humidity | 78 % | 76 % | negligible |
| Average peak wind | 26.3 km/h | 11.1 km/h | -15.2 km/h |
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.