Stage 9 · 9 August 2026

Nice → Nice

99.2 kmMountain

Four ascents of Col d'Èze (the fourth via an extra Chemin du Vinaigrier variant) around a Nice circuit.

Observed conditions from the ERA5 reanalysis archive.

Observed heat snapshot

+6.1°Cvs the 1974-2023 average at this location (ERA5): 27.5°C

33.6°Cpeak in the race window

High-risk · 30°C WBGT (est.)

Schematic — real elevation, approximate route between known points, not survey-accurate. Fill colored by temperature.

+10°C26°C+42°C

Decade trend — deviation from the 50-year mean at this location

26.3°C'74–'83

27.4°C'84–'93

27.9°C'94–'03

26.9°C'04–'13

28.9°C'14–'23

-2°C50-yr avg+2°C

A day this hot (≥33.6°C, ERA5 at this location) occurred 0× in 1974-1983 vs. 1× in 2014-2023.

WBGT is an estimate — see methodology. Data as of 2026-08-13T12:21:40.681Z.