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Stage 1 · 22 August 2026

MonacoMonaco

9.4 kmIndividual time trial

Observed conditions from the ERA5 reanalysis archive.

Observed heat snapshot

+1.4°Cvs the 1974-2023 average at this location (ERA5): 26.6°C

28.0°Cpeak in the race window

Moderate high-risk · 25°C WBGT (est.)
27.8°CMonaco28.0°CMonaco

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

24.6°C'74–'83
26.8°C'84–'93
26.9°C'94–'03
26.6°C'04–'13
28.2°C'14–'23
-2°C50-yr avg+2°C

A day this hot (≥28.0°C, ERA5 at this location) occurred 7× in 1974-1983 vs. 86× in 2014-2023.

WBGT is an estimate — see methodology. Data as of 2026-09-14T01:03:40.201Z.