USDA Hardiness Zone 10a
Frost Dates for 32817 — Orlando, Florida
NOAA 1991–2020 normals from Orlando Executive Airport, FL (108 ft), 6 miles southwest.
Updated
Frost is not a yearly event in Orlando: a night at or below 32°F came in 35% of the winters of 1991–2020 at Orlando Executive Airport, FL, and a 36°F night, cold enough for frost on exposed leaves, in 75%. There is no reliable "last frost date" here; most years have none.
- Winters with a freeze
- 35%
- Winters with 36°F
- 75%
- Coldest month low
- 52°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 30 observed
NOAA normal
Frost risk by date in Orlando
At Orlando Executive Airport, FL, 6 miles southwest of Orlando, 35% of the winters of 1991–2020 had at least one night at or below 32°F, 9% reached 28°F. Nights of 36°F, enough for frost on exposed leaves, are more common (75% of winters) and, when they come, fall between about January 6 and January 25. January is the month most likely to bring one: a 22% 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°F75% of yrs | Dec 31 | Jan 7 | Jan 12 | Jan 17 | Jan 25 | Jan 31 | Feb 4 | Feb 10 | Feb 22 |
| 32°F35% of yrs | too rare for a date | ||||||||
| 28°F9% of yrs | too rare for a date | ||||||||
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F75% of yrs | Dec 12 | Dec 22 | Dec 28 | Jan 1 | Jan 6 | Jan 12 | Jan 16 | Jan 24 | Feb 4 |
| 32°F35% of yrs | too rare for a date | ||||||||
| 28°F9% of yrs | too rare for a date | ||||||||
Freeze probabilities 1991–2020 at Orlando Executive Airport, 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 32817 →Compare Orlando with another place →
Weather by month in Orlando
August is the warmest month at Orlando Executive Airport, FL, averaging 92°F by day and 75°F at night; January is the coldest at 71°F and 52°F. From February to December the chance of a 32°F night stays under 10% each month.
Warmth for growing adds up to 8,723 growing degree days a year (base 50°F), more than at 66% of the 158 Florida stations. 44% of them (3,875) have built up by the end of June, and August adds the most, 1,040. Precipitation totals 51.6 inches a year, most in June (8.2") and least in November (1.7"); May to September bring 66% of it.
| Month | High °F | Low °F | Precip. in | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|---|
| Jan | 71 | 52 | 2.6 | 22% | 1 | 369 |
| Feb | 74 | 54 | 2.1 | 10% | 0 | 403 |
| Mar | 78 | 58 | 2.7 | 0% | 0 | 569 |
| Apr | 83 | 63 | 2.7 | 0% | 0 | 690 |
| May | 88 | 69 | 3.7 | 0% | 0 | 882 |
| Jun | 91 | 73 | 8.2 | 0% | 0 | 962 |
| Jul | 92 | 75 | 8.1 | 0% | 0 | 1037 |
| Aug | 92 | 75 | 7.7 | 0% | 0 | 1040 |
| Sep | 90 | 74 | 6.6 | 0% | 0 | 951 |
| Oct | 84 | 68 | 3.2 | 0% | 0 | 817 |
| Nov | 78 | 60 | 1.7 | 0% | 0 | 569 |
| Dec | 73 | 55 | 2.3 | 9% | <1 | 434 |
Monthly normals 1991–2020 at Orlando Executive Airport, FL (108 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, Orlando International Airport, FL, 12 miles southwest of Orlando, has a 32°F night in 61% of winters against 35% here, and a coolest-month low 2°F colder (50°F).
When it snows in Orlando, Florida
Measurable snow is rare here: only 0 of 30 winters from 1991 to 2020 recorded 0.1 inch or more at Orlando International Airport, FL, 11.9 miles away, so there is no typical first-snow date to plan around.
Where these figures come from
ZIP 32817 is 6 miles from Orlando Executive Airport, FL, which stands at 108 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 25 other ZIP codes share the station; its figures are presented in full for 32828 (Orlando). The 2023 USDA Plant Hardiness Zone Map lists ZIP 32817 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.