ZIP code · Baytown · Texas · United States

ZIP code 77522 — Baytown

ZIP code 77522 serves Baytown, Texas.

Postal code: 77522
Single source Value from one source, not cross-checked.
City: Baytown
County: Harris
State: Texas
Country: United States
Coordinates: 29.7355, -94.9774 — 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/Chicago (UTC−6 / UTC−5 DST)
Area codes: 281, 346, 832, 713
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 77522 with another ZIP · ZIPs within 25 miles · distance from 77522

Climate — monthly normals

Warmest month Aug (avg high 92°F), coldest Jan (avg low 41°F).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high °F	63	66	72	78	84	89	92	92	89	82	71	65
Avg low °F	41	45	52	59	67	73	75	74	69	60	50	44
Precip in	4.8	3.8	3.9	4.5	6.0	7.1	5.5	6.8	6.4	6.1	4.9	4.8

NOAA 1991–2020 climate normals from the nearest station: BAYTOWN (12.4 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