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USDA Hardiness Zone 9a

Frost Dates for 32344 — Monticello, Florida

NOAA 1991–2020 normals from Monticello 5 SE, FL (98 ft), 6 miles southeast.

Updated

In Monticello, the last spring frost (32°F) is around March 7 in half of years and has passed by March 25 in nine years out of ten. The first fall frost comes around November 23, as early as November 3 one year in ten, leaving a typical freeze-free season of 262 days (NOAA, Monticello 5 SE, FL).

Last spring frost
March 7

50% probability

First fall frost
November 23

50% probability

Growing season
262 days

freeze-free, 50%

Hardiness zone
9a

20 to 25°F (-6.7 to -3.9°C) coldest night

First snow
Rare

median, 1991–2020

Last snow
Rare

median, 1991–2020

Winters with snow
0%

0 of 18 observed

Snow per year
—

NOAA normal

Frost risk by date in Monticello

Half of springs at Monticello 5 SE, FL see their last 32°F night by March 7; only one in ten is past it by February 9, and one in ten still has one after March 25. Planting tender crops after March 15 leaves a 30% risk of a frost on them, after March 19 20%, and after March 25 10%. The 18 days between the even-odds date and the one-in-ten date is the narrowest of the 101 Florida stations behind this site's ZIP pages.

In fall the first 32°F night comes by November 23 in half of years, as early as November 3 one year in ten, and holds off past December 22 one year in ten. A hard freeze of 28°F follows 18 days later, around December 11; in spring the one-in-ten date for 28°F is March 16, 9 days before the 32°F one. The freeze-free season lasts 262 days in a typical year, shorter than at 85% of the 102 Florida stations; it reaches 294 days one year in ten and falls short of 233 one year in ten. On average 26 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 14 days longer, to about March 21, and return around November 11. Nights of 24°F, cold enough to damage hardier plants, come in 86% of winters and 16°F in 17%.

Spring: the chance of another night this cold after the date
Low90%80%70%60%50%40%30%20%10%
36°FMar 1Mar 7Mar 13Mar 17Mar 21Mar 25Mar 29Apr 2Apr 8
32°FFeb 9Feb 20Feb 27Mar 3Mar 7Mar 11Mar 15Mar 19Mar 25
28°F98% of yrsJan 21Jan 31Feb 6Feb 13Feb 19Feb 26Mar 3Mar 8Mar 16
24°F86% of yrsDec 31Jan 11Jan 20Jan 28Feb 1Feb 7Feb 14Feb 23Mar 3
20°F51% of yrsDec 24Dec 31Jan 5Jan 11Jan 19Jan 25Feb 1Feb 6Feb 16
16°F17% of yrstoo rare for a date
Fall: the chance the first night this cold has come by the date
Low10%20%30%40%50%60%70%80%90%
36°FOct 26Nov 1Nov 4Nov 7Nov 11Nov 15Nov 19Nov 24Dec 2
32°FNov 3Nov 10Nov 15Nov 19Nov 23Nov 29Dec 2Dec 9Dec 22
28°F98% of yrsNov 16Nov 25Dec 1Dec 5Dec 11Dec 21Jan 1Jan 5Jan 15
24°F86% of yrsDec 2Dec 7Dec 15Dec 26Jan 1Jan 6Jan 12Jan 21Feb 2
20°F51% of yrsDec 8Dec 17Dec 27Jan 1Jan 6Jan 11Jan 18Jan 27Feb 6
16°F17% of yrstoo rare for a date

Freeze probabilities 1991–2020 at Monticello 5 SE, 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 32344 →Compare Monticello with another place →

Weather by month in Monticello

July is the warmest month at Monticello 5 SE, FL, averaging 91°F by day and 71°F at night; January is the coldest at 63°F and 40°F. A freezing night is all but certain in January (a 90% chance or more). From April to October the chance of a 32°F night stays under 10% each month. In spring, February still brings one in 87% of years and March still brings one in 66% of years.

Warmth for growing adds up to 6,533 growing degree days a year (base 50°F), fewer than at 96% of the 158 Florida stations. 42% of them (2,757) have built up by the end of June, and July adds the most, 956. Precipitation totals 59.9 inches a year, most in June (7.6") and least in November (2.8"); May to September bring 53% of it.

Monthly normals 1991–2020 at Monticello 5 SE, FL
MonthHigh °FLow °FPrecip. in32°F nightNights ≤ 32°FGDD 50°F
Jan63404.896%10140
Feb67434.087%5177
Mar73485.366%2346
Apr79544.11%0496
May86613.80%0725
Jun90697.60%0873
Jul91717.50%0956
Aug90717.50%0945
Sep87675.50%0816
Oct80573.36%<1578
Nov71482.861%2301
Dec65423.784%7179

Monthly normals 1991–2020 at Monticello 5 SE, FL (98 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, Monticello 10 SW, FL, 9 miles southwest of Monticello, has a last frost 10 days earlier (February 25), a first frost 10 days later (December 3), a season 24 days longer.

Frost dates for 32308 (Tallahassee) →

When it snows in Monticello, Florida

Measurable snow is rare here: only 0 of 18 winters from 1991 to 2020 recorded 0.1 inch or more at Quitman 2 NW, GA, 25.4 miles away, so there is no typical first-snow date to plan around.

Planting calendar for 32344

What to do and when, from the 50% frost dates for Monticello, Florida
WhenWhat to do
December 27 – January 10Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out.
January 10 – January 24Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early.
February 7 – February 21Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil.
March 7 onwardTransplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast.
by August 31Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops.
by November 9Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation.
November 23 onwardPlant garlic, mulch beds, lift tender bulbsGarlic wants a cold spell; bare soil loses structure over winter.

The weeks before and after the 50% dates are general rules of thumb, not NOAA figures; a seed packet gives the timing for each variety.

Where these figures come from

ZIP 32344 is 6 miles from Monticello 5 SE, FL, which stands at 98 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 32344 in zone 9a, the band where the coldest night of the year averaged 20 to 25°F (-6.7 to -3.9°C) over 1991–2020; a zone describes winter lows, not frost dates.

Frost dates across Florida →

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.

ZIP codes measured at the same station

Other zone 9a places in Florida