Frost dates and when to plant in Sardinia
Italy
None of the 2 cities in Sardinia had frost in 2016–2025, so crops are planted by warmth and rain rather than by frost dates.
Frost dates by city in Sardinia
| City | Last spring frost | First autumn frost | Frost-free days | Climate zone | Tomato: window |
|---|---|---|---|---|---|
| Cagliari | none in ten years | none in ten years | — | No frost in ten years | — |
| Sassari | none in ten years | none in ten years | — | No frost in ten years | — |
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.
Weather by month in Sardinia
Across the 2 cities the warmest month is July (average days 31.3 … 32.6 °C) and the coldest January (average nights 7.2 … 7.7 °C). No city here averages below 0 °C at night in any month.
| Month | Day, °C | Night, °C | Rain, mm |
|---|---|---|---|
| January | 13.2 … 15 °C | 7.2 … 7.7 °C | 57 |
| February | 14.6 … 15.9 °C | 7.8 … 7.9 °C | 44 |
| March | 16.1 … 17.3 °C | 8.8 … 9.1 °C | 53 |
| April | 19 … 19.9 °C | 10.9 … 11.1 °C | 51 |
| May | 22.4 … 23.5 °C | 14.1 … 14.5 °C | 62 |
| June | 28.5 … 29 °C | 19 … 19.4 °C | 20 |
| July | 31.3 … 32.6 °C | 21.5 … 22.2 °C | 5 |
| August | 31 … 32.2 °C | 21.7 … 22 °C | 17 |
| September | 27 … 28.6 °C | 19 … 19.5 °C | 41 |
| October | 23.1 … 24.5 °C | 15.6 … 15.9 °C | 47 |
| November | 17.6 … 19.4 °C | 11.5 … 11.9 °C | 86 |
| December | 14.7 … 16.4 °C | 8.9 … 9.1 °C | 61 |
Day and night: the lowest … highest monthly average among the cities; rain: the middle city (ERA5 via Open-Meteo).