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Chill hours in 79742

The short answer

79742 averages 784 chill hours per winter (4921,032 across 10 years) in USDA zone 8a.
79742 climate
Average chill hours784 (492–1,032 across 10 winters)
USDA hardiness zone8a
Last spring frosttypically February 9 – March 6
First fall frosttypically October 31 – December 10

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 79742’s chill hours and zone:

Marginal (26)

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

Marginal varieties for this location
VarietyFruit
AkaneApple
Cox's Orange PippinApple
EmpireApple
LibertyApple
McIntoshApple
Rome BeautyApple
SpartanApple
WealthyApple
WinesapApple
Yellow TransparentApple
GoldcotApricot
HarkoNectarine
MericrestNectarine
ContenderPeach
CresthavenPeach
RedhavenPeach
ReliancePeach
D'AnjouPear
Harrow DelightPear
Blue DamsonPlum
French Improved PrunePlum
Italian PrunePlum
StanleyPlum
LambertSweet Cherry
SunburstSweet Cherry
MeteorTart Cherry
How many chill hours does 79742 get?
79742 averages 784 chill hours per winter, ranging from 492 to 1032 across the last 10 years.
What hardiness zone is 79742?
79742 is in USDA hardiness zone 8a.

Growing fruit trees in 79742? 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