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Chill hours in 70542

The short answer

70542 averages 402 chill hours per winter (190496 across 10 years) in USDA zone 9a.
70542 climate
Average chill hours402 (190–496 across 10 winters)
USDA hardiness zone9a
Last spring frosttypically January 18 – March 5
First fall frosttypically November 13 – December 23

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 70542’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
ChojuroPear
ShinkoPear
How many chill hours does 70542 get?
70542 averages 402 chill hours per winter, ranging from 190 to 496 across the last 10 years.
What hardiness zone is 70542?
70542 is in USDA hardiness zone 9a.

Growing fruit trees in 70542? 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