Frost Dates for Jefferson, LA

Based on data from New Orleans Audubon weather station, 4 miles away

Elevation: 3 ft

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. January 24
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. January 2

This location has a nearly year-round growing season with a brief frost risk period in winter.

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost February 2
First Fall Frost December 23

Hard Freeze (28°F)

Last Spring Hard Freeze January 15
First Fall Hard Freeze January 8
29.97°N, 90.15°W © OpenStreetMap

Growing Season

344 Days January 24 to January 2

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 9b

Avg. annual minimum: 25 to 30°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Cfa Humid Subtropical

Hot, humid summers and mild winters with rain year-round. Long growing seasons support a wide variety of vegetables, fruits, and ornamentals. The most common climate in the eastern US.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January64°55°47°
February68°59°51°
March75°65°56°
April81°72°62°
May88°79°69°
June93°84°75°
July94°85°77°
August94°86°77°
September90°82°74°
October83°74°65°
November73°64°55°
December66°58°49°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January7.2
February5.5
March6.8
April7.9
May9.8
June8.4
July8.7
August7.1
September7.0
October5.9
November5.6
December7.2

Sunrise / Sunset

Daylight Central Time (CT) Longest: 13h 56m · Shortest: 10h 04m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Central Time (CT))
Month Sunrise Sunset Daylight
January7:02 AM5:18 PM10h 16m
February6:46 AM5:44 PM10h 58m
March7:17 AM7:04 PM11h 47m
April6:39 AM7:23 PM12h 44m
May6:12 AM7:42 PM13h 30m
June6:03 AM7:58 PM13h 55m
July6:14 AM7:59 PM13h 45m
August6:32 AM7:37 PM13h 05m
September6:50 AM7:00 PM12h 10m
October7:08 AM6:23 PM11h 15m
November6:32 AM4:60 PM10h 28m
December6:54 AM4:59 PM10h 05m

Nearby Stations

Terrytown 3s, LA February 1 - December 31 Chalmette, LA February 10 - December 17 New Orleans Intl AP, LA January 30 - December 31 Marrero 9 Ssw, LA February 10 - December 12 New Orleans Alvin Callender Fl, LA February 18 - December 6 New Orleans Lakefront AP, LA January 22 - January 5

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