Frost risk
Last frost in Grosseto
Median last frost, cautious frost date, and guidance on sowing before or after cold risk in Grosseto.
Median 0 °C
March 21springCautious 2 °C
April 9springAutumn 2 °C
November 3first frostWhat 0 °C and 2 °C mean
Reference dates
When spring frosts usually fall
- March 210C median
- March 300C cautious
- March 282C median
- April 92C cautious
| indicator | date |
|---|---|
| Median last frost 0 °C | March 21 |
| Cautious last frost 0 °C | March 30 |
| Median last frost 2 °C | March 28 |
| Cautious last frost 2 °C | April 9 |
| Cautious first autumn frost 0 °C | November 20 |
| Cautious first autumn frost 2 °C | November 3 |
Last 10 available years
The table shows, for each available year, the last date between January and June when the daily minimum was at or below 0 °C.
| year | last date <= 0 °C | minimum |
|---|---|---|
| 2020 | April 2 | -2.32 °C |
| 2019 | March 12 | -0.23 °C |
| 2018 | March 24 | -1.47 °C |
| 2017 | January 27 | -0.96 °C |
| 2016 | January 24 | -1.32 °C |
| 2015 | April 8 | -0.04 °C |
| 2014 | January 29 | -2.29 °C |
| 2013 | March 16 | -2.51 °C |
| 2012 | March 8 | -0.33 °C |
| 2011 | March 10 | -0.05 °C |
Frequently asked questions
When does the main frost risk end in Grosseto?
The most cautious date on this page is April 9 on the 2 °C threshold. For sensitive crops, use it as the reference before moving sowing or transplanting earlier.
Why also look at the 2 °C threshold?
The median 0 °C date is March 21, while the cautious 2 °C date is April 9. The 2 °C threshold is more cautious for cold nights, inversions, and exposed spots.
How should I adapt the frost date inside Grosseto?
No. In Grosseto, exposure, elevation, wind, and soil can move real risk earlier or later than the representative municipality point.