Planting zone for 92267 — Parker Dam, CA
ZIP code 92267 (Parker Dam, San Bernardino County) is in USDA zone 10a: the coldest winter night averages 30 to 35 °F.
Where ZIP 92267 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.
Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 10a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Parker Dam, CA…
Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.
Frost dates
A 32 °F frost doesn't happen here in most winters. At the nearest station (NOAA station Parker Resrvoir, CA — 2 miles away, elevation 738 ft) the median growing season is 365 days. When frost does come, it is a midwinter night or two; cover tender plants when a freeze is forecast.
Frost data: NOAA NCEI U.S. Climate Normals 1991–2020.
When spring arrived in 2026
In 2026, spring leaf-out near 92267 came on Jan 19 — 6 days earlier than the 1991–2020 average (Jan 25).
Jan 252026
Jan 19
The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).
Soil in Parker Dam, CA
The soil mapped at the center of ZIP 92267 is Lithic Torriorthents — very gravelly fine sandy loam, somewhat excessively drained.
Map unit: Lithic Torriorthents, Typic Haplocalcids, and Rock outcrop; hyperthermic hills and mountains.
Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 92267; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Parker Dam, CA
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Parker Resrvoir, CA (2 mi away); precipitation: Parker Resrvoir, CA (2 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
4 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 92267
What planting zone is ZIP code 92267?
ZIP code 92267 (Parker Dam, CA) is in USDA hardiness zone 10a on the 2023 map: the coldest night of an average winter reaches 30 to 35 °F (−1.1 to 1.7 °C).
How much rain and snow does 92267 get?
About 5.9 inches of precipitation a year (NOAA 1991–2020 normals, Parker Resrvoir station).
How hot do summers get in Parker Dam, CA?
The average high peaks at 107 °F in July, with about 173 days a year at 90 °F or more.
What kind of soil does 92267 have?
The USDA soil survey maps Lithic Torriorthents at the center of ZIP 92267: very gravelly fine sandy loam, somewhat excessively drained, pH about 7.8 (slightly alkaline).
Did spring come early in Parker Dam, CA in 2026?
Spring leaf-out near 92267 came on Jan 19 in 2026, 6 days earlier than the 1991–2020 average (Jan 25), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Parker Dam, CA?
Intermediate onions: the longest day near 92267 is 14 h 27 min, so day-neutral types bulb best; long-day varieties may not bulb fully.