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Chill hours in 94019

The short answer

94019 averages 500 chill hours per winter (1841,033 across 10 years) in USDA zone 10a.
94019 climate
Average chill hours500 (184–1,033 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 94019’s chill hours and zone:

Marginal (23)

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

Marginal varieties for this location
VarietyFruit
FlavortopNectarine
HarkoNectarine
IndependenceNectarine
MericrestNectarine
Belle of GeorgiaPeach
CresthavenPeach
ElbertaPeach
FlameprincePeach
FrostPeach
HarvesterPeach
JunegoldPeach
LoringPeach
O'HenryPeach
RedglobePeach
RedskinPeach
D'AnjouPear
Harrow DelightPear
WarrenPear
Blue DamsonPlum
Flavor SupremePlum
French Improved PrunePlum
Green GagePlum
SunburstSweet Cherry
How many chill hours does 94019 get?
94019 averages 500 chill hours per winter, ranging from 184 to 1033 across the last 10 years.
What hardiness zone is 94019?
94019 is in USDA hardiness zone 10a.

Growing fruit trees in 94019? 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