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Chill hours in 94530

The short answer

94530 averages 728 chill hours per winter (4781,274 across 10 years) in USDA zone 10a.
94530 climate
Average chill hours728 (478–1,274 across 10 winters)
USDA hardiness zone10a

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 94530’s chill hours and zone:

Marginal (16)

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

Marginal varieties for this location
VarietyFruit
HarkoNectarine
MericrestNectarine
Belle of GeorgiaPeach
CresthavenPeach
ElbertaPeach
FlameprincePeach
HarvesterPeach
LoringPeach
O'HenryPeach
RedglobePeach
RedskinPeach
D'AnjouPear
Harrow DelightPear
Blue DamsonPlum
French Improved PrunePlum
SunburstSweet Cherry
How many chill hours does 94530 get?
94530 averages 728 chill hours per winter, ranging from 478 to 1274 across the last 10 years.
What hardiness zone is 94530?
94530 is in USDA hardiness zone 10a.

Growing fruit trees in 94530? 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