GreenlyFrance: frost dates by city
The average last spring frost and first autumn frost in 4 cities of France, from ten years of weather. The last spring frost comes earliest in Marseille and latest in Paris.
| City | Last spring frost | First autumn frost | Frost-free days |
|---|---|---|---|
| Marseille | 11 February | none in ten years | — |
| Bordeaux | 15 February | 30 November | 288 days |
| Lyon | 26 March | 25 November | 244 days |
| Paris | 8 April | 20 November | 226 days |
Median of 2016–2025 for the 25 km grid cell of the city: the last day at or below 0 °C in spring and the first in autumn (ERA5 reanalysis via Open-Meteo). In a cold year a frost can come a week or two later — Greenly warns 48 hours ahead.