Frost Dates for Balch Pwr House, CA

Elevation: 529 m

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. February 23
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. December 12

30% Probability

Only a 30% chance of frost remaining by this date. Use these dates for a safer planting window, especially for tender plants sensitive to cold.
Last Spring Frost March 8
First Fall Frost December 5

Hard Freeze (28°F)

Last Spring Hard Freeze January 21
First Fall Hard Freeze December 27
36.91°N, 119.09°W © OpenStreetMap

Growing Season

293 Days February 23 to December 12

USDA Hardiness Zone

Hardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.
Zone 9b

Avg. annual minimum: 25 to 30°F

Learn more

Köppen Climate

The Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Dsb Warm-Summer Continental (Dry Summer)

Warm, dry summers and cold, snowy winters. Common in mountain regions. Moderate growing season with irrigation needs in summer.

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January52°45°39°
February56°48°40°
March63°53°43°
April68°58°47°
May77°65°54°
June85°73°61°
July93°81°69°
August93°81°69°
September88°76°64°
October77°66°54°
November60°53°45°
December51°45°38°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January13.5
February10.9
March12.2
April8.8
May6.4
June0.6
July0.0
August0.0
September0.0
October5.6
November9.2
December12.6

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 14h 32m · Shortest: 9h 28m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:14 AM4:58 PM9h 44m
February6:52 AM5:30 PM10h 38m
March7:14 AM6:58 PM11h 43m
April6:28 AM7:25 PM12h 57m
May5:53 AM7:52 PM13h 58m
June5:41 AM8:12 PM14h 31m
July5:53 AM8:11 PM14h 18m
August6:18 AM7:43 PM13h 25m
September6:44 AM6:58 PM12h 13m
October7:11 AM6:12 PM11h 02m
November6:42 AM4:41 PM9h 59m
December7:08 AM4:37 PM9h 29m

Nearby Stations

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