Garden Climate for San Diego, Chula Vista, Coronado area: 91910, 91911, 91932, 91950, 92101, 92102, 92103, 92106, 92113, 92118, 92134, 92135, 92136, 92140, 92147, 92154, 92155
Zone 11a · Frost-free in most years · Soil 72.9°F today (modeled) · See your place on the 2023 USDA zone map
ZIPs in this area
What differs between these ZIPs: elevation, zone, chill hours, soil temperature. Everything else on this page is the same for all of them. The page below shows 92135 (closest to the area's middle elevation).
| ZIP | Town | Elevation | Zone | Last frost | First frost | Chill hrs last season | Soil now |
|---|---|---|---|---|---|---|---|
| 91910 | Chula Vista | 115 ft | 10b | frost-free | frost-free | 63 | 71.7°F |
| 91911 | Chula Vista | 150 ft | 10b | frost-free | frost-free | 63 | 71.4°F |
| 91932 | Imperial Beach | 16 ft | 10b | frost-free | frost-free | 63 | 70.8°F |
| 91950 | National City | 99 ft | 10b | frost-free | frost-free | 31 | 72.6°F |
| 92101 | San Diego | 80 ft | 11a | frost-free | frost-free | 31 | 72.8°F |
| 92102 | San Diego | 74 ft | 10b | frost-free | frost-free | 31 | 72.6°F |
| 92103 | San Diego | 286 ft | 10b | frost-free | frost-free | 31 | 70.5°F |
| 92106 | San Diego | 13 ft | 10b | frost-free | frost-free | 31 | 72.7°F |
| 92113 | San Diego | 58 ft | 10b | frost-free | frost-free | 31 | 72.8°F |
| 92118 | Coronado | 14 ft | 10b | frost-free | frost-free | 13 | 72.9°F |
| 92134 | San Diego | 226 ft | 10b | frost-free | frost-free | 31 | 72.1°F |
| 92135 | San Diego | 62 ft | 11a | frost-free | frost-free | 31 | 72.9°F |
| 92136 | San Diego | 20 ft | 10b | frost-free | frost-free | 31 | 72.9°F |
| 92140 | San Diego | 14 ft | 11a | frost-free | frost-free | 31 | 72.9°F |
| 92147 | San Diego | 62 ft | 11a | frost-free | frost-free | 31 | 71.4°F |
| 92154 | San Diego | 75 ft | 10b | frost-free | frost-free | 63 | 70.5°F |
| 92155 | San Diego | 12 ft | 10b | frost-free | frost-free | 13 | 72.9°F |
Why grouped: these are urban and suburban lowland ZIPs (under about 1,500 ft and within 40 km of the ocean) whose numbers are close: all frost-free in most years, last season's chill hours all in the <100 range, the same coastal setting and the same 820 ft elevation band. Each ZIP still uses its own nearest suitable stations; see the table for exact values.
Public NOAA/USDA data, updated 2026-10-16 18:57 UTC.
USDA Plant Hardiness Zone Map · San Diego focus
The map pixel at the marker shows 10b. The ZIP lookup table gives 11a for the whole ZIP area. Zone edges run through or near this ZIP.
USDA Plant Hardiness Zone Map, 2023. Agricultural Research Service, U.S. Department of Agriculture. Accessed from https://planthardiness.ars.usda.gov/. Rendered unaltered from the PRISM Group, Oregon State University GIS data (https://prism.oregonstate.edu, accessed 15 Oct 2026) with official zone colors. Roads (TIGER/Line 2023 primary roads), place names (2023 Gazetteer) and state lines (2023 cartographic boundaries 1:500k) are drawn on top. Source: U.S. Census Bureau.
Frost dates for 92135
Frost-free in most years. No 32F freeze in at least 9 of 10 years at this station (NCEI reports no freeze dates; growing season = 365 days).
NOAA NCEI U.S. Climate Normals 1991-2020, annual/seasonal freeze probabilities (32F) · CA SAN DIEGO LINDBERGH FLD GSN (USW00023188) 3.2 km away 27 yrs of record · about the same elevation
Newsletter · 92135
Frost alerts and planting reminders for 92135. Coming soon.
7-day forecast · High / Low / Rain / Frost / Wind
NOAA NWS api.weather.gov (SGX). Frost = low ≤32°F · High wind = gust ≥40 mph · 💧 = chance of precipitation and expected amount (NWS quantitative precipitation forecast; blank when NWS gives none) · Rain = chance ≥50%.
What to grow when · 92135
Calendar: San Diego County, coastal (guide Regions 1-2). Planting months from UC Master Gardeners of San Diego County; Master Gardener Association of San Diego County. Harvest months add typical days-to-harvest. This month also checks live soil temperature and the 7-day frost forecast. The harvest planner uses the same calendar. Rules: methodology.
Questions about 92135
What USDA hardiness zone is 92135?
ZIP 92135 (San Diego, CA) is in USDA zone 11a (40 to 45°F average annual extreme minimum), per the 2023 USDA Plant Hardiness Zone Map.
When is the last frost in 92135?
The nearest NOAA normals station (Ca San Diego Lindbergh Fld Gsn, 3.2 km) records no 32°F freeze in at least 9 of 10 years (1991–2020).
Nearby ZIP codes
Sources for this page
- Location: US Census Bureau 2023 Gazetteer, ZCTA internal point
- Zone: USDA Plant Hardiness Zone Map 2023, ZIP datasets (USDA ARS + PRISM Climate Group, Oregon State University)
- Frost: NOAA NCEI U.S. Climate Normals 1991-2020, annual/seasonal freeze probabilities (32F) CA SAN DIEGO LINDBERGH FLD GSN (USW00023188) 3.2 km away 27 yrs of record · about the same elevation
- Forecast: NOAA National Weather Service api.weather.gov (7-day forecast + gridpoint wind gusts)
- Soil: Open-Meteo forecast API soil model (non-commercial terms)
- Chill: Iowa Environmental Mesonet ASOS archive (NWS/FAA METAR routine + special obs; one value per clock hour)
- Raw data: /data/zip/92135.json