USDA Hardiness Zone 10a
Frost Dates for 33948 — Port Charlotte, Florida
NOAA 1991–2020 normals from Punta Gorda 4 ESE, FL (20 ft), 11 miles southeast.
Updated
Frost is not a yearly event in Port Charlotte: a night at or below 32°F came in 42% of the winters of 1991–2020 at Punta Gorda 4 ESE, FL, and a 36°F night, cold enough for frost on exposed leaves, in 80%. There is no reliable "last frost date" here; most years have none.
- Winters with a freeze
- 42%
- Winters with 36°F
- 80%
- Coldest month low
- 53°F
- Hardiness zone
- 10a
32°F or below, 1991–2020
frost possible on leaves
average, January
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 20 observed
NOAA normal
Frost risk by date in Port Charlotte
At Punta Gorda 4 ESE, FL, 11 miles southeast of Port Charlotte, 42% of the winters of 1991–2020 had at least one night at or below 32°F, 10% reached 28°F. Nights of 36°F, enough for frost on exposed leaves, are more common (80% of winters) and, when they come, fall between about January 10 and February 1. January is the month most likely to bring one: a 28% chance in a given year. 56 of the 158 other Florida stations behind this site's ZIP pages freeze in fewer than half of winters too.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F80% of yrs | Jan 6 | Jan 15 | Jan 22 | Jan 28 | Feb 1 | Feb 5 | Feb 11 | Feb 20 | Mar 1 |
| 32°F42% of yrs | too rare for a date | ||||||||
| 28°F10% of yrs | too rare for a date | ||||||||
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F80% of yrs | Dec 21 | Dec 29 | Jan 1 | Jan 6 | Jan 10 | Jan 15 | Jan 22 | Jan 29 | Feb 9 |
| 32°F42% of yrs | too rare for a date | ||||||||
| 28°F10% of yrs | too rare for a date | ||||||||
Freeze probabilities 1991–2020 at Punta Gorda 4 ESE, 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 33948 →Compare Port Charlotte with another place →
Weather by month in Port Charlotte
August is the warmest month at Punta Gorda 4 ESE, FL, averaging 94°F by day and 75°F at night; January is the coldest at 77°F and 53°F. From March to December the chance of a 32°F night stays under 10% each month. In spring, February still brings one in 12% of years.
Warmth for growing adds up to 9,426 growing degree days a year (base 50°F), more than at 84% of the 158 Florida stations. 45% of them (4,226) have built up by the end of June, and August adds the most, 1,074. Precipitation totals 54.1 inches a year, most in June (9.6") and least in November (1.8"); May to September bring 71% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 77 | 53 | 2.0 | 28% | 1 | 458 |
| Feb | 80 | 55 | 2.0 | 12% | <1 | 484 |
| Mar | 83 | 58 | 2.6 | 1% | 0 | 631 |
| Apr | 87 | 63 | 2.3 | 0% | 0 | 746 |
| May | 91 | 67 | 3.5 | 0% | 0 | 911 |
| Jun | 93 | 73 | 9.6 | 0% | 0 | 996 |
| Jul | 94 | 75 | 8.5 | 0% | 0 | 1065 |
| Aug | 94 | 75 | 9.2 | 0% | 0 | 1074 |
| Sep | 93 | 74 | 7.5 | 0% | 0 | 1001 |
| Oct | 89 | 68 | 3.2 | 0% | 0 | 884 |
| Nov | 83 | 60 | 1.8 | 0% | 0 | 644 |
| Dec | 79 | 56 | 1.9 | 7% | <1 | 534 |
Monthly normals 1991–2020 at Punta Gorda 4 ESE, FL (20 ft), NOAA NCEI. "32°F night": chance of at least one in the month. GDD: growing degree days, base 50°F.
Compared with the next station
The nearest other station, Punta Gorda Charlotte Co Airport, FL, 11 miles southeast of Port Charlotte, has a 32°F night in 50% of winters against 42% here, and a coolest-month low 2°F colder (51°F).
When it snows in Port Charlotte, Florida
Measurable snow is rare here: only 0 of 20 winters from 1991 to 2020 recorded 0.1 inch or more at Punta Gorda 4 ESE, FL, 10.5 miles away, so there is no typical first-snow date to plan around.
Where these figures come from
ZIP 33948 is 11 miles from Punta Gorda 4 ESE, FL, which stands at 20 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 11 other ZIP codes share the station; its figures are presented in full for 33952 (Port Charlotte). The 2023 USDA Plant Hardiness Zone Map lists ZIP 33948 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.