ZIP code · Merton · Wisconsin · United States
ZIP code 53056 — Merton
ZIP code 53056 serves Merton, Wisconsin.
- Postal code
- 53056Single source Value from one source, not cross-checked.
- City
- Merton
- County
- Waukesha
- State
- Wisconsin
- Country
- United States
- Coordinates
- 43.1460, -88.3097 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 5b (-15 to -10 °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
- 262Telephone 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 53056 with another ZIP · ZIPs within 25 miles · distance from 53056
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 11°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 32 | 43 | 56 | 68 | 79 | 83 | 81 | 73 | 60 | 45 | 33 |
| Avg low °F | 11 | 13 | 23 | 34 | 45 | 54 | 60 | 59 | 51 | 40 | 28 | 18 |
| Precip in | 1.7 | 1.9 | 2.1 | 3.9 | 4.1 | 4.7 | 4.2 | 3.7 | 3.3 | 2.9 | 2.3 | 2.1 |
NOAA 1991–2020 climate normals from the nearest station: RICHFIELD 3 SSW (6.8 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