Frost Dates for Los Angeles, California, United States of America

Coordinates: 34.052, -118.243

Growing Season

The last spring air frost in Los Angeles, California, United States of America typically occurs around Mar 4, and the first autumn air frost around Nov 18. This gives a frost-free growing season of approximately 259 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 9a, where the average annual extreme minimum temperature is -6.7 to -3.9°C (20 to 25°F). This zone rating helps gardeners determine which perennial plants are likely to survive winter.

Temperature Overview

The coldest month is January, with an average low of 9°C (48°F). The warmest month is August, with an average high of 30°C (86°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Mar 4 (last spring) to Nov 18 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone
USDA Growing Zone - 9a

... and the frost data for your area is ...

Current Risk Level: Unlikely (Safest)

for today based on past data only.

We predict a frost free growing season at your location from Mar 4 to Nov 18, which provides approximately 258 frost free days.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
  • Air Frost possible
  • Safest (unlikely)
First and last frost dates by frost type
FirstLast
Air FrostNov 18Mar 4
Light Ground FrostUnlikelyUnlikely
Hard Ground FrostUnlikelyUnlikely

Frost Dates for Los Angeles, California, United States of America | FrostDates.com