Planting zone for 93199 — Goleta, CA
ZIP code 93199 (Goleta, Santa Barbara County) is in USDA zone 10a: the coldest winter night averages 30 to 35 °F.
Where ZIP 93199 is
tap the map for the zone at any spot · scroll or pinch to zoomNot the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.
Was 9b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 10a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Goleta, CA…
Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.
Frost dates
A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station Santa Barbara 11 W, CA — 11 miles away, elevation 20 ft) the median growing season is 365 days. When frost does come, it is a midwinter night or two; cover tender plants when a freeze is forecast.
Frost data: NOAA NCEI U.S. Climate Normals 1991–2020.
Soil in Goleta, CA
The USDA soil survey has no mapped soil at the center of this ZIP code (water, or an area not yet surveyed).
Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 93199; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Goleta, CA
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Santa Barbara 11 W, CA (11 mi away); precipitation: Santa Barbara 11 W, CA (11 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
3 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 93199
What planting zone is ZIP code 93199?
ZIP code 93199 (Goleta, CA) is in USDA hardiness zone 10a on the 2023 map: the coldest night of an average winter reaches 30 to 35 °F (−1.1 to 1.7 °C).
How much rain and snow does 93199 get?
About 19 inches of precipitation a year (NOAA 1991–2020 normals, Santa Barbara 11 W station).
How hot do summers get in Goleta, CA?
The average high peaks at 72 °F in August, with about 1 days a year at 90 °F or more.
What kind of onions grow in Goleta, CA?
Intermediate onions: the longest day near 93199 is 14 h 27 min, so day-neutral types bulb best; long-day varieties may not bulb fully.
Did the zone for 93199 change?
Yes. The 2012 USDA map put 93199 in zone 9b; the 2023 map puts it in zone 10a. The newer map uses 1991–2020 data and more weather stations.