USDA Hardiness Zone 11b
Frost Dates for 33042 — Summerland Key, Florida
NOAA 1991–2020 normals from Bahia Honda Sp, FL (2 ft), 13 miles east.
Updated
No night at or below 32°F was recorded at Bahia Honda Sp, FL in 1991–2020, not even 36°F, so Summerland Key has no frost dates to plan around; the coolest month, January, averages a low of 64°F.
- Winters with a freeze
- 0%
- Winters with 36°F
- 0%
- Coldest month low
- 64°F
- Hardiness zone
- 11b
32°F or below, 1991–2020
frost possible on leaves
average, January
45 to 50°F (7.2 to 10.0°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 16 observed
NOAA normal
Frost risk by date in Summerland Key
Bahia Honda Sp, FL, 13 miles east of Summerland Key, did not record a night at or below 32°F in 1991–2020. 13 of the 158 other Florida stations behind this site's ZIP pages recorded no 32°F night either.
Freeze probabilities 1991–2020 at Bahia Honda Sp, 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 33042 →Compare Summerland Key with another place →
Weather by month in Summerland Key
July is the warmest month at Bahia Honda Sp, FL, averaging 90°F by day and 79°F at night; January is the coldest at 74°F and 64°F. Not one month recorded a 32°F night; the lowest monthly average low is 64°F.
Warmth for growing adds up to 10,078 growing degree days a year (base 50°F), more than at 96% of the 158 Florida stations. 46% of them (4,637) have built up by the end of June, and July adds the most, 1,068.
| Month | High °F | Low °F | 32°F night | Nights ≤ 32°F | GDD 50°F |
|---|---|---|---|---|---|
| Jan | 74 | 64 | 0% | 0 | 596 |
| Feb | 76 | 65 | 0% | 0 | 584 |
| Mar | 78 | 68 | 0% | 0 | 721 |
| Apr | 82 | 72 | 0% | 0 | 812 |
| May | 85 | 75 | 0% | 0 | 936 |
| Jun | 88 | 78 | 0% | 0 | 989 |
| Jul | 90 | 79 | 0% | 0 | 1068 |
| Aug | 90 | 79 | 0% | 0 | 1063 |
| Sep | 88 | 78 | 0% | 0 | 983 |
| Oct | 84 | 76 | 0% | 0 | 927 |
| Nov | 79 | 70 | 0% | 0 | 740 |
| Dec | 76 | 67 | 0% | 0 | 660 |
Monthly normals 1991–2020 at Bahia Honda Sp, FL (2 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, Key West International Airport, FL, 18 miles southwest of Summerland Key, has no 32°F night on record either, and a coolest-month low 2°F warmer (66°F).
When it snows in Summerland Key, Florida
Measurable snow is rare here: only 0 of 16 winters from 1991 to 2020 recorded 0.1 inch or more at Duck Key, FL, 37.1 miles away, so there is no typical first-snow date to plan around.
Where these figures come from
ZIP 33042 is 13 miles from Bahia Honda Sp, FL, which stands at 2 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 1 other ZIP code shares the station. The 2023 USDA Plant Hardiness Zone Map lists ZIP 33042 in zone 11b, the band where the coldest night of the year averaged 45 to 50°F (7.2 to 10.0°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.