FrostDateByZip

Frost dates for 34291North Port, FL

The average last spring frost in North Port is February 1 and the average first fall frost is January 6, giving a typical growing season of about 336 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Feb 1

Safer after Mar 3 (1-in-10 risk)

Average first fall frost
Jan 6

Possible by Dec 5 (1-in-10 risk)

Growing season
336 days

First frost typically in 64 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Jan 19 · Feb 19 · Mar 19Nov 28 · Dec 27 · Jan 22305 days97%
Frost / freeze (32°F)Jan 1 · Feb 1 · Mar 3Dec 5 · Jan 6 · Feb 5336 days79%
Hard freeze (28°F)Dec 29 · Jan 15 · Feb 10Dec 18 · Jan 9 · Feb 7365 days40%

Where these dates come from

ZIP code 34291 is matched to the NOAA station Myakka Rvr Sp, FL, 18.8 km away, at 19 ft elevation (1 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Myakka Rvr Sp, FL (used)19 ftFeb 1Jan 6
Venice, FL8 ftJan 25Jan 19
Punta Gorda 4 Ese, FL20 ftJan 21Jan 14
Punta Gorda Charlotte Co Ap, FL25 ftJan 22Jan 10

Frost dates near North Port

Frequently asked questions

When is the last frost in North Port, FL?
For ZIP code 34291, the average last spring frost (32°F) is February 1, based on NOAA 1991-2020 climate normals for the Myakka Rvr Sp, FL weather station. There is a 1-in-10 chance of a frost after March 3.
When is the first frost in North Port, FL?
The average first fall frost (32°F) is January 6. There is a 1-in-10 chance of frost by December 5, so tender plants are at risk from that point on.
How long is the growing season in 34291?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 336 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.