ZIP code · Coronado · California · United States

ZIP code 92178 — Coronado

ZIP code 92178 serves Coronado, California.

Postal code: 92178
Single source Value from one source, not cross-checked.
City: Coronado
County: San Diego
State: California
Country: United States
Coordinates: 32.6859, -117.1831 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 10b (35 to 40 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone: America/Los_Angeles (UTC−8 / UTC−7 DST)
Area codes: 619, 858
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Tools: compare 92178 with another ZIP · ZIPs within 25 miles · distance from 92178

Climate — monthly normals

Warmest month Aug (avg high 77°F), coldest Dec (avg low 49°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	66	66	67	68	69	71	74	77	77	75	71	66
Avg low °F	49	51	53	55	59	62	65	67	65	60	54	49
Precip in	1.7	1.9	1.4	0.6	0.5	0.1	0.1	0.0	0.2	0.6	0.8	1.5

NOAA 1991–2020 climate normals from the nearest station: NORTH ISLAND NAS (1.4 mi) · NOAA NCEI

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page