Bangkok or Marseille: which climate?
Bangkok (Thailand) has a tropical savanna climate, whereas Marseille (France) has a hot-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 Bangkok and to Marseille.
Bangkok is warmer than Marseille by 13.4 °C in annual average: 28.2 °C against 14.8 °C.
Bangkok gets more rain than Marseille: 1,229 mm per year against 657 mm.
Marseille gets 10.4 hours of sunshine per day on average, against 10.0 hours in Bangkok.
Bangkok and Marseille are warming at the same rate: about +2.1 °C between 1940 and 2025 on both sides.
Bangkok averages 325 hot days (≥ 30 °C) and 0 frost days per year; Marseille averages 1 and 3.
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 | Bangkok | Marseille | Difference |
|---|---|---|---|
| Mean daily temperature | 28.2 °C | 14.8 °C | -13.4 °C |
| Average daily high | 32.5 °C | 17.3 °C | -15.2 °C |
| Average daily low | 24.9 °C | 12.5 °C | -12.4 °C |
| Annual rainfall | 1,229 mm | 657 mm | -572 mm |
| Sunshine / day | 10.0 h | 10.4 h | +0.4 h |
| Hot days (≥ 30 °C) | 325 d/yr | 1 d/yr | -324 d/yr |
| Frost days (< 0 °C) | 0 d/yr | 3 d/yr | negligible |
| Rainy days (≥ 1 mm) | 175 d/yr | 78 d/yr | -97 d/yr |
| Mean relative humidity | 74 % | 74 % | negligible |
| Average peak wind | 14.0 km/h | 25.5 km/h | +11.5 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.