Santa Barbara Municipal Airport, CA Frost Dates & Growing Season

The two dates every Santa Barbara Municipal Airport garden is planned around, plus ready-computed planting windows for the most popular crops.

Last spring frost
Jan 11
~50% chance of frost after
First fall frost
Dec 16
~50% chance of frost before
Growing season
339 days
frost-free stretch
USDA zone
≈ 10b
estimated from nearby reference
Risky (1 year in 10)MedianSafe (9 years in 10)
Last spring frost Dec 14 Jan 11 Feb 13
First fall frost Jan 18 Dec 16 Dec 1
Hard freeze (28°F), median last Dec 30 · first Dec 26

Computed from NOAA 1991–2020 climate normals at the SANTA BARBARA MUNI AP station. "Safe" means frost past that date happens only about one year in ten. Your exact garden can still run days either way with elevation and terrain — check your own ZIP with the frost date lookup.

Planting windows for Santa Barbara Municipal Airport

Computed from Santa Barbara Municipal Airport's own frost dates. Click any crop for the full zone-10 growing guide — varieties, spacing, fall plantings, and more.

CropStart seeds indoorsTransplantDirect sow
🍅 Tomatoes Nov 16 – Nov 30 Jan 18 – Jan 25
🫑 Peppers Nov 2 – Nov 16 Jan 25 – Feb 1
🥬 Lettuce Nov 30 – Dec 14 Dec 14 – Dec 28 Dec 14 – Jan 11
🫛 Peas Nov 30 – Dec 14
🥕 Carrots Dec 21 – Jan 11
🥦 Broccoli Nov 23 – Dec 7 Dec 21 – Jan 4
🥬 Kale Nov 30 – Dec 14 Dec 14 – Dec 28 Dec 14 – Dec 28
🥒 Cucumbers Dec 14 – Dec 21 Jan 18 – Jan 25 Jan 18 – Jan 25
🥒 Zucchini Dec 14 – Dec 21 Jan 18 – Jan 25 Jan 18 – Jan 25
🫘 Green Beans (Bush) Jan 18 – Jan 25
🌽 Sweet Corn Jan 18 – Jan 25
🌿 Basil Nov 30 – Dec 14 Jan 18 – Jan 25 Jan 25 – Feb 1
🧄 Garlic Fall: Nov 4 – Dec 2

Want this for all 50 crops, or as a printable seed-shelf schedule? Use the planting calendar and the seed starting scheduler — both can use Santa Barbara Municipal Airport's dates automatically after a lookup.

Reading the season in Santa Barbara Municipal Airport

With roughly 339 frost-free days, Santa Barbara Municipal Airport gardens fit long-season crops — melons, winter squash, sweet potatoes — with room left for spring and fall rounds of greens and roots. The first frost around Dec 16 is late enough that fall planting is a full second season, not an afterthought.

Frequently asked questions

When is the last frost in Santa Barbara Municipal Airport, CA?

The average last spring frost in Santa Barbara Municipal Airport is around Jan 11, based on 1991–2020 climate normals. That's a median — about half of years see a later frost, so tender crops are safest going out a week or two after this date.

When is the first frost in Santa Barbara Municipal Airport, CA?

The average first fall frost in Santa Barbara Municipal Airport arrives around Dec 16. Crops still in the garden need to mature before then, and frost-tender plants need harvesting or protection as the date approaches.

How long is the growing season in Santa Barbara Municipal Airport?

About 339 frost-free days on average, from Jan 11 to Dec 16. That comfortably fits long-season crops like melons and winter squash, plus spring and fall plantings of cool-season vegetables.

What USDA zone is Santa Barbara Municipal Airport in?

USDA zone 10b on the 2023 Plant Hardiness Zone Map. Note that zones describe winter cold, not frost timing — these frost dates are the numbers to plan plantings around.