GreenlyGermany: frost dates by city
The average last spring frost and first autumn frost in 6 cities of Germany, from ten years of weather. The last spring frost comes earliest in Cologne and latest in Leipzig.
| City | Last spring frost | First autumn frost | Frost-free days |
|---|---|---|---|
| Cologne | 6 April | 20 November | 228 days |
| Berlin | 13 April | 19 November | 220 days |
| Frankfurt | 13 April | 17 November | 218 days |
| Munich | 13 April | 9 November | 210 days |
| Hamburg | 20 April | 19 November | 213 days |
| Leipzig | 21 April | 17 November | 210 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.