ZIP code · Laredo · Texas · United States
ZIP code 78042 — Laredo
ZIP code 78042 serves Laredo, Texas.
- Postal code
- 78042Single source Value from one source, not cross-checked.
- City
- Laredo
- County
- Webb
- State
- Texas
- Country
- United States
- Coordinates
- 27.5655, -99.4768 — precision estimated (postal-area centroid)
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 code
- 956Telephone 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 78042 with another ZIP · ZIPs within 25 miles · distance from 78042
Climate — monthly normals
Warmest month Aug (avg high 101°F), coldest Jan (avg low 47°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 68 | 74 | 81 | 88 | 94 | 99 | 100 | 101 | 94 | 87 | 77 | 69 |
| Avg low °F | 47 | 52 | 58 | 65 | 72 | 76 | 77 | 77 | 73 | 66 | 56 | 48 |
| Precip in | 0.8 | 0.7 | 1.3 | 1.3 | 2.8 | 1.8 | 1.9 | 1.6 | 3.9 | 1.7 | 1.0 | 1.1 |
NOAA 1991–2020 climate normals from the nearest station: LAREDO 2 (1.3 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