ZIP code · Santa Rosa · California · United States

ZIP code 95402 — Santa Rosa

ZIP code 95402 serves Santa Rosa, California.

Postal code: 95402
Single source Value from one source, not cross-checked.
City: Santa Rosa
County: Sonoma
State: California
Country: United States
Coordinates: 38.4399, -122.7096 — precision precise (locality)
View on OpenStreetMap
USDA hardiness zone: 9b (25 to 30 °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: 707, 369
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 95402 with another ZIP · ZIPs within 25 miles · distance from 95402

Climate — monthly normals

Warmest month Sep (avg high 84°F), coldest Dec (avg low 38°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	60	64	67	71	75	80	82	83	84	79	67	59
Avg low °F	38	40	42	44	48	51	52	53	51	48	42	38
Precip in	5.8	6.4	4.3	2.0	1.3	0.3	0.0	0.0	0.1	1.6	3.3	6.5

NOAA 1991–2020 climate normals from the nearest station: SANTA ROSA (1.1 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