ZIP code · Colusa · Illinois · United States
ZIP code 62329 — Colusa
ZIP code 62329 serves Colusa, Illinois.
- Postal code
- 62329Single source Value from one source, not cross-checked.
- City
- Colusa
- County
- Hancock
- State
- Illinois
- Country
- United States
- Coordinates
- 40.5714, -91.1682 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 6a (-10 to -5 °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
- 217Telephone 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 62329 with another ZIP · ZIPs within 25 miles · distance from 62329
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 17°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 38 | 50 | 62 | 72 | 82 | 85 | 84 | 77 | 64 | 50 | 38 |
| Avg low °F | 17 | 21 | 32 | 43 | 54 | 63 | 68 | 66 | 57 | 45 | 33 | 23 |
| Precip in | 1.7 | 1.9 | 2.7 | 4.0 | 5.1 | 5.2 | 4.1 | 3.8 | 3.5 | 3.1 | 2.4 | 1.9 |
NOAA 1991–2020 climate normals from the nearest station: FT MADISON (9.4 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