Frost Dates for Three Rivers, CA
Based on data from Three Rivers Edison Ph 1 weather station, 3 miles away
Frost Dates
Last Spring Frost (50%) iA 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide.
March 16
First Fall Frost (50%) iA 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date.
November 26
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30% Probability iOnly 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
April 1
First Fall Frost
November 18
Hard Freeze (28°F)
Last Spring Hard Freeze
January 30
First Fall Hard Freeze
December 11
Growing Season
255 Days
March 16 to November 26
USDA Hardiness Zone iHardiness 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 8b
Avg. annual minimum: 15 to 20°F (−9 to −7°C)
Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.
Csa
Hot-Summer Mediterranean
Hot, dry summers and mild, wet winters. Classic Mediterranean climate ideal for grapes, olives, tomatoes, and herbs. Summer irrigation is usually necessary.
Temperature
30°
50°
70°
90°
Avg High
Avg Temp
Avg Low
Light Frost (32°F)
Precipitation
0"
3"
6"
9"
10.9"
Sunrise / Sunset
Daylight
Longest: 14h 30m · Shortest: 9h 30m
Nearby Stations
Plan Your Garden with Planter
Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.
Try Planter For FreeAvailable everywhere: iOS, Android, web, and more!
