Festival Weather Odds

Rome Marathon: race-day weather at past editions

Rome Marathon: at 9:00 on race day the temperature averaged 11 °C over 30 editions with known dates from 1991 to 2025 (from 2 °C to 17 °C); rain fell during race hours (08:00–14:00) in 7 editions (23%). Source: ERA5 reanalysis (Copernicus), data to 2025.

Data updated: 2 November 2026 · Sources, licences and data

Calculated 3 November 2026 · weather: ERA5 1991–2025 · edition dates checked 2 November 2026

11 °Caverage at 9:00 on race day
7 / 30editions with rain 08–14 h
4 / 30editions with ≥ 20 °C by 14:00
24 °C (2018)warmest race morning–midday

Climate, not a forecast: these are statistics of past weather, not a forecast for the next edition.

Climate of the usual dates

Weather around the usual race date (22 March, ± 3 days) in 1991–2025:

Average daily maximum on these dates: 16.5 °C in 1991–2005, 17.6 °C in 2011–2025.

Weather at past editions

YearDate9:00Max 08–14Rain 08–14
202516 March13 °C14 °C0.6 mm
202417 March14 °C20 °C0.0 mm
202319 March13 °C15 °C2.7 mm
202227 March13 °C22 °C0.0 mm
20197 April11 °C16 °C1.2 mm
20188 April13 °C24 °C0.0 mm
20172 April13 °C16 °C2.3 mm
201610 April11 °C20 °C0.0 mm
201522 March10 °C12 °C6.3 mm
201423 March15 °C16 °C16.8 mm
201317 March8 °C12 °C0.0 mm
201218 March15 °C19 °C0.0 mm
201120 March12 °C16 °C0.0 mm
201021 March14 °C18 °C0.0 mm
200922 March8 °C13 °C0.0 mm
200816 March13 °C16 °C0.0 mm
200717 March12 °C19 °C0.1 mm
200626 March10 °C18 °C0.0 mm
200513 March11 °C14 °C0.9 mm
200428 March6 °C16 °C0.0 mm
200323 March7 °C13 °C0.0 mm
200224 March7 °C10 °C0.4 mm
200125 March17 °C22 °C0.0 mm
20001 January2 °C9 °C0.0 mm
199921 March8 °C16 °C0.0 mm
199829 March8 °C16 °C0.0 mm
199716 March11 °C19 °C0.0 mm
199624 March13 °C17 °C0.0 mm
199512 March10 °C16 °C0.0 mm
19911 April7 °C17 °C0.0 mm

How to read these numbers

Dates and sources

Coordinates: 41.893, 12.483; ERA5 cell centred at 42.00, 12.50 (average ground height of the cell 137 m).