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Chill hours in 94611

The short answer

94611 averages 790 chill hours per winter (6221,330 across 10 years) in USDA zone 10a.
94611 climate
Average chill hours790 (622–1,330 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 94611’s chill hours and zone:

Marginal (8)

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

Marginal varieties for this location
VarietyFruit
HarkoNectarine
MericrestNectarine
CresthavenPeach
D'AnjouPear
Harrow DelightPear
Blue DamsonPlum
French Improved PrunePlum
SunburstSweet Cherry
How many chill hours does 94611 get?
94611 averages 790 chill hours per winter, ranging from 622 to 1330 across the last 10 years.
What hardiness zone is 94611?
94611 is in USDA hardiness zone 10a.

Growing fruit trees in 94611? 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