Frost risk
Last frost in Trieste
Median last frost, cautious frost date, and guidance on sowing before or after cold risk in Trieste.
Median 0 °C
March 8springCautious 2 °C
April 8springAutumn 2 °C
November 13first frostWhat 0 °C and 2 °C mean
Reference dates
When spring frosts usually fall
- March 80C median
- March 220C cautious
- March 292C median
- April 82C cautious
| indicator | date |
|---|---|
| Median last frost 0 °C | March 8 |
| Cautious last frost 0 °C | March 22 |
| Median last frost 2 °C | March 29 |
| Cautious last frost 2 °C | April 8 |
| Cautious first autumn frost 0 °C | November 24 |
| Cautious first autumn frost 2 °C | November 13 |
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 | March 23 | -1.03 °C |
| 2019 | February 24 | -1.62 °C |
| 2018 | March 23 | -0.86 °C |
| 2017 | February 26 | -0.06 °C |
| 2016 | January 23 | -0.53 °C |
| 2015 | February 19 | -1.48 °C |
| 2014 | February 4 | -0.33 °C |
| 2013 | March 28 | -1.35 °C |
| 2012 | April 9 | -0.32 °C |
| 2011 | March 8 | -3.2 °C |
Frequently asked questions
What is the cautious garden date for Trieste?
The most cautious date on this page is April 8 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 8, while the cautious 2 °C date is April 8. The 2 °C threshold is more cautious for cold nights, inversions, and exposed spots.
How should I adapt the frost date inside Trieste?
No. In Trieste, exposure, elevation, wind, and soil can move real risk earlier or later than the representative municipality point.