Frost Dates for Santa Barbara, California, United States of America

Coordinates: 34.421, -119.697

Growing Season

The last spring air frost in Santa Barbara, California, United States of America typically occurs around Mar 3, and the first autumn air frost around Jan 11. This gives a frost-free growing season of approximately -52 days.

USDA Hardiness Zone

This location falls in USDA Hardiness Zone 9b, where the average annual extreme minimum temperature is -3.9 to -1.1°C (25 to 30°F). This zone rating helps gardeners determine which perennial plants are likely to survive winter.

Temperature Overview

The coldest month is February, with an average low of 9°C (48°F). The warmest month is August, with an average high of 28°C (82°F).

Frost Risk Breakdown

Frost dates at three temperature thresholds: Air frost (0°C / 32°F): Mar 3 (last spring) to Jan 11 (first autumn).

We predict your growing zone to be approximately ...

USDA Growing Zone
USDA Growing Zone - 9b

... 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 3 to Jan 11, which provides approximately 313 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 FrostJan 11Mar 3
Light Ground FrostUnlikelyUnlikely
Hard Ground FrostUnlikelyUnlikely