USDA Hardiness Zone 10a
Frost Dates for 34952 — Port St Lucie, Florida
NOAA 1991–2020 normals from Nettles Is, FL (10 ft), 5 miles east.
Updated
Frost is not a yearly event in Port St Lucie: a night at or below 32°F came in 2% of the winters of 1991–2020 at Nettles Is, FL, and a 36°F night, cold enough for frost on exposed leaves, in 14%. There is no reliable "last frost date" here; most years have none.
- Winters with a freeze
- 2%
- Winters with 36°F
- 14%
- Coldest month low
- —
- Hardiness zone
- 10a
32°F or below, 1991–2020
frost possible on leaves
30 to 35°F (-1.1 to 1.7°C) coldest night
- First snow
- Rare
- Last snow
- Rare
- Winters with snow
- 0%
- Snow per year
- 0"
median, 1991–2020
median, 1991–2020
0 of 19 observed
NOAA normal
Frost risk by date in Port St Lucie
At Nettles Is, FL, 5 miles east of Port St Lucie, 2% of the winters of 1991–2020 had at least one night at or below 32°F, and none reached 28°F. Even a 36°F night came in only 14% of winters. 56 of the 158 other Florida stations behind this site's ZIP pages freeze in fewer than half of winters too.
Freeze probabilities 1991–2020 at Nettles Is, FL, from NOAA NCEI U.S. Climate Normals. Where a temperature is reached in fewer than 99.5% of years, the dates describe only the years that reach it. Not a forecast.
Frost risk on any date in 34952 →Compare Port St Lucie with another place →
Compared with the next station
The nearest other station, Stuart, FL, 8 miles southeast of Port St Lucie, has a 32°F night in 14% of winters against 2% here.
When it snows in Port St Lucie, Florida
Measurable snow is rare here: only 0 of 19 winters from 1991 to 2020 recorded 0.1 inch or more at Stuart, FL, 7.9 miles away, so there is no typical first-snow date to plan around.
Where these figures come from
ZIP 34952 is 5 miles from Nettles Is, FL, which stands at 10 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 3 other ZIP codes share the station; its figures are presented in full for 34983 (Port St Lucie). The 2023 USDA Plant Hardiness Zone Map lists ZIP 34952 in zone 10a, the band where the coldest night of the year averaged 30 to 35°F (-1.1 to 1.7°C) over 1991–2020; a zone describes winter lows, not frost dates.
Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.
Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.