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Chill hours in 92587

The short answer

92587 averages 470 chill hours per winter (225766 across 10 years) in USDA zone 9b.
92587 climate
Average chill hours470 (225–766 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 4 – February 20

Computed from 10 winters of ERA5 hourly temperature (Open-Meteo, 2015–2025); zones from USDA PHZM 2023. Data updated July 3, 2026. See methodology.

Every variety in our database, checked against 92587’s chill hours and zone:

Marginal (38)

Possible in a good year or a favorable microclimate — click through for the caveats.

Marginal varieties for this location
VarietyFruit
GravensteinApple
MutsuApple
HarcotApricot
MoorparkApricot
Puget GoldApricot
TiltonApricot
TomcotApricot
Wenatchee MoorparkApricot
FantasiaNectarine
FlavortopNectarine
IndependenceNectarine
Belle of GeorgiaPeach
ElbertaPeach
FlameprincePeach
FrostPeach
HarvesterPeach
JunegoldPeach
LoringPeach
O'HenryPeach
RedglobePeach
RedskinPeach
SuncrestPeach
BartlettPear
BoscPear
ComicePear
WarrenPear
Elephant HeartPlum
Flavor SupremePlum
Green GagePlum
Black TartarianSweet Cherry
Show 8 more marginal varieties
How many chill hours does 92587 get?
92587 averages 470 chill hours per winter, ranging from 225 to 766 across the last 10 years.
What hardiness zone is 92587?
92587 is in USDA hardiness zone 9b.

Growing fruit trees in 92587? Get a care calendar anchored to this exact climate, with email reminders.

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Sources

  1. [1] Open-Meteo / Copernicus ERA5. Historical Weather API (hourly 2m temperature) — accessed July 2026
  2. [2] USDA / PRISM (Oregon State University). 2023 USDA Plant Hardiness Zone Map — accessed July 2026