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Chill hours in 94022

The short answer

94022 averages 833 chill hours per winter (6091,378 across 10 years) in USDA zone 9b.
94022 climate
Average chill hours833 (609–1,378 across 10 winters)
USDA hardiness zone9b
Last spring frosttypically January 1 – March 6

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 94022’s chill hours and zone:

Marginal (2)

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

Marginal varieties for this location
VarietyFruit
CresthavenPeach
RedhavenPeach
How many chill hours does 94022 get?
94022 averages 833 chill hours per winter, ranging from 609 to 1378 across the last 10 years.
What hardiness zone is 94022?
94022 is in USDA hardiness zone 9b.

Growing fruit trees in 94022? 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