FrostDateByZip

Frost dates for 70743Hester, LA

The average last spring frost in Hester is February 9 and the average first fall frost is December 14, giving a typical growing season of about 308 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Feb 9

Safer after Mar 11 (1-in-10 risk)

Average first fall frost
Dec 14

Possible by Nov 21 (1-in-10 risk)

Growing season
308 days

First frost typically in 48 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 1 · Feb 27 · Mar 22Nov 8 · Nov 28 · Dec 22275 days100%
Frost / freeze (32°F)Jan 13 · Feb 9 · Mar 11Nov 21 · Dec 14 · Jan 13308 days97%
Hard freeze (28°F)Dec 28 · Jan 28 · Feb 26Dec 2 · Jan 1 · Feb 1342 days79%

Where these dates come from

ZIP code 70743 is matched to the NOAA station Reserve, LA, 19.8 km away, at 15 ft elevation (5 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Reserve, LA (used)15 ftFeb 9Dec 14
Donaldsonville 4 Sw, LA30 ftFeb 21Dec 5
Thibodaux 4 Se, LA15 ftFeb 5Dec 14
Carville 2 Sw, LA25 ftFeb 9Dec 13

Frost dates near Hester

Frequently asked questions

When is the last frost in Hester, LA?
For ZIP code 70743, the average last spring frost (32°F) is February 9, based on NOAA 1991-2020 climate normals for the Reserve, LA weather station. There is a 1-in-10 chance of a frost after March 11.
When is the first frost in Hester, LA?
The average first fall frost (32°F) is December 14. There is a 1-in-10 chance of frost by November 21, so tender plants are at risk from that point on.
How long is the growing season in 70743?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 308 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.