ZIP code · Lemon Grove · California · United States
ZIP code 91946 — Lemon Grove
ZIP code 91946 serves Lemon Grove, California.
- Postal code
- 91946Single source Value from one source, not cross-checked.
- City
- Lemon Grove
- County
- San Diego
- State
- California
- Country
- United States
- Coordinates
- 32.7426, -117.0314 — precision precise (locality)
View on OpenStreetMap - USDA hardiness zone
- 10b (35 to 40 °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 code
- 559 (from the nearest rate centre)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 91946 with another ZIP · ZIPs within 25 miles · distance from 91946
Climate — monthly normals
Warmest month Aug (avg high 89°F), coldest Dec (avg low 42°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 69 | 69 | 71 | 75 | 76 | 81 | 86 | 89 | 87 | 81 | 75 | 69 |
| Avg low °F | 43 | 44 | 48 | 51 | 56 | 59 | 63 | 65 | 62 | 56 | 47 | 42 |
| Precip in | 2.3 | 2.6 | 1.9 | 0.8 | 0.3 | 0.1 | 0.2 | 0.0 | 0.1 | 0.5 | 1.0 | 1.8 |
NOAA 1991–2020 climate normals from the nearest station: EL CAJON (7.2 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