FrostDateByZip

Frost dates for 39457Mc Neill, MS

The average last spring frost in Mc Neill is March 2 and the average first fall frost is November 23, giving a typical growing season of about 265 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 2

Safer after Mar 24 (1-in-10 risk)

Average first fall frost
Nov 23

Possible by Nov 6 (1-in-10 risk)

Growing season
265 days

First frost typically in 20 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)Feb 23 · Mar 17 · Apr 7Oct 30 · Nov 11 · Dec 1238 days100%
Frost / freeze (32°F)Feb 5 · Mar 2 · Mar 24Nov 6 · Nov 23 · Dec 18265 days100%
Hard freeze (28°F)Jan 13 · Feb 11 · Mar 14Nov 15 · Dec 12 · Jan 13302 days98%

Planting calendar for Mc Neill

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsJan 30 – Apr 7
TomatoesTransplant outdoorsMar 18 – Aug 3
PeppersStart seeds indoorsJan 30 – Mar 2
PeppersTransplant outdoorsApr 1 – May 2
EggplantStart seeds indoorsFeb 16 – Mar 17
EggplantTransplant outdoorsApr 1 – May 2
CucumbersSow outdoorsApr 1 – Aug 13
Summer squashSow outdoorsMar 18 – May 2
Winter squash & pumpkinsSow outdoorsApr 1 – May 2
Snap beansSow outdoorsMar 18 – Sep 5
Sweet cornSow outdoorsMar 18 – Aug 3
Watermelon & cantaloupeSow outdoorsApr 1 – May 2
OkraSow outdoorsMar 25 – Apr 17
PeasSow outdoors (spring)Jan 30 – Mar 17
PotatoesPlant outdoors (spring)Jan 30 – Apr 1
OnionsStart seeds indoors (spring)Dec 19 – Jan 15
OnionsTransplant outdoors (spring)Feb 16 – Mar 17
BroccoliStart seeds indoors (spring)Jan 12 – Feb 15
BroccoliTransplant outdoors (spring)Feb 16 – Mar 17
BroccoliStart seeds indoors (fall)Jul 24 – Aug 3
BroccoliTransplant outdoors (fall)Aug 23 – Sep 3
CabbageStart seeds indoors (spring)Jan 2 – Jan 30
CabbageTransplant outdoors (spring)Jan 30 – Mar 2
CabbageStart seeds indoors (fall)Jul 14 – Aug 13
CabbageTransplant outdoors (fall)Aug 13 – Sep 13
Leaf lettuceSow outdoors (spring)Jan 30 – Apr 17
Leaf lettuceSow outdoors (fall)Aug 13 – Sep 29
SpinachSow outdoors (spring)Jan 23 – Mar 8
SpinachSow outdoors (fall)Aug 30 – Oct 4
RadishesSow outdoors (spring)Jan 30 – Mar 22
RadishesSow outdoors (fall)Aug 13 – Oct 14
KaleSow outdoors (spring)Feb 16 – Mar 8
KaleSow outdoors (fall)Aug 6 – Sep 13
CarrotsSow outdoors (spring)Mar 2 – Apr 17
CarrotsSow outdoors (fall)Jul 14 – Aug 29
GarlicPlant outdoors (fall)Nov 13 – Dec 14

Where these dates come from

ZIP code 39457 is matched to the NOAA station Bogalusa, LA, 21.6 km away, at 100 ft elevation (8 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Bogalusa, LA (used)100 ftMar 2Nov 23
Picayune, MS64 ftMar 9Nov 18
Poplarville Exp Stn, MS313 ftMar 10Nov 21
Bay St Louis Nasa, MS30 ftMar 6Nov 19

Frost dates near Mc Neill

Frequently asked questions

When is the last frost in Mc Neill, MS?
For ZIP code 39457, the average last spring frost (32°F) is March 2, based on NOAA 1991-2020 climate normals for the Bogalusa, LA weather station. There is a 1-in-10 chance of a frost after March 24.
When is the first frost in Mc Neill, MS?
The average first fall frost (32°F) is November 23. There is a 1-in-10 chance of frost by November 6, so tender plants are at risk from that point on.
How long is the growing season in 39457?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 265 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.