GreenlyArgentina: frost dates by city
The average last spring frost and first autumn frost in 6 cities of Argentina, from ten years of weather. The last spring frost comes earliest in Buenos Aires and latest in Neuquén.
| City | Last spring frost | First autumn frost | Frost-free days |
|---|---|---|---|
| Buenos Aires | 14 July | none in ten years | — |
| Rosario | 16 July | 15 June | 334 days |
| La Plata | 30 July | 17 June | 322 days |
| Córdoba | 5 August | 15 June | 314 days |
| Mendoza | 10 August | 17 June | 311 days |
| Neuquén | 25 August | 9 June | 288 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.