Frost Dates for Rome, Lazio, Italy: Last and First Frost
In Rome, Lazio, Italy the last spring frost comes around February 15 on average and the first fall frost around December 16, leaving about 310 frost-free days.
- Last spring frost
- February 15
- Range January 14 – April 8
- First fall frost
- December 16
- Range November 28 – December 31
- Frost-free season
- 310 days
- Average, last spring to first fall frost
- Hardiness zone (estimate)
- 9b
- Coldest night averages 27°F (-3°C)
Frost in the next 7 days
No forecast night below 32°F (0°C) this week.
Frost here means a daily low below 32°F (0°C), measured 2 m above the ground, across 20 complete years of Open-Meteo archive data (CC BY 4.0). Ground frost can still form on clear, calm nights a few degrees warmer. The hardiness zone uses the USDA method (the average of each year's coldest night) on that same data; it is an estimate, not the official USDA map.
When is the last frost in Rome, Lazio, Italy?
Around February 15 on average. Over the last 20 years it came as early as January 14 and as late as April 8, and 1 of those years had no spring frost at all.
When is the first frost in Rome, Lazio, Italy?
Around December 16 on average, ranging from November 28 to December 31 over the last 20 years.
What hardiness zone is Rome, Lazio, Italy?
About zone 9b by the USDA method: the coldest night of the year has averaged 27°F over the last 20 years. This is our estimate from weather-archive data, not an official zone map.