Frost Dates for Chester, CA

Elevation: 1381 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. May 28
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. September 28

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 June 4
First Fall Frost September 21

Hard Freeze (28°F)

Last Spring Hard Freeze May 2
First Fall Hard Freeze October 18
40.30°N, 121.24°W © OpenStreetMap

Growing Season

123 Days May 28 to September 28

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 7a

Avg. annual minimum: 0 to 5°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.

Köppen climate map

Temperature

Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January42°32°22°
February46°34°23°
March51°38°26°
April57°44°30°
May67°52°37°
June77°60°43°
July86°67°48°
August85°66°46°
September79°60°41°
October66°50°33°
November51°39°26°
December41°32°22°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January9.7
February8.3
March7.8
April5.3
May4.4
June2.4
July0.0
August0.0
September0.7
October5.4
November6.5
December8.4

Sunrise / Sunset

Daylight Longest: 14h 53m · Shortest: 9h 07m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:17 AM4:43 PM9h 26m
February6:46 AM5:14 PM10h 28m
March6:10 AM5:50 PM11h 41m
April5:28 AM6:32 PM13h 05m
May4:53 AM7:07 PM14h 14m
June4:34 AM7:26 PM14h 52m
July4:42 AM7:18 PM14h 36m
August5:12 AM6:48 PM13h 36m
September5:52 AM6:08 PM12h 15m
October6:33 AM5:27 PM10h 54m
November7:09 AM4:51 PM9h 43m
December7:26 AM4:34 PM9h 08m

Nearby Stations

Canyon Dam, CAMay 18 - October 8 Mineral, CAJune 10 - September 13 Manzanita Lake, CA June 9 - September 21 Quincy, CAMay 22 - September 25 Susanville 2sw, CA May 16 - October 8 De Sabla, CA April 17 - November 11

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