Frost Dates for Greenville, CA

Based on data from Canyon Dam weather station, 8 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. May 18
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. October 8
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 May 29
First Fall Frost October 3

Hard Freeze (28°F)

Last Spring Hard Freeze April 26
First Fall Hard Freeze October 26
40.14°N, -120.95°W © OpenStreetMap

Growing Season

143 Days May 18 to October 8

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 7b

Avg. annual minimum: 5 to 10°F (−15 to −12°C)

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

Csb Warm-Summer Mediterranean

Warm, dry summers and mild, wet winters. Similar to hot-summer Mediterranean but cooler. Great for a wide range of vegetables and fruit trees with moderate water needs.

Köppen climate map

Temperature

20° 40° 60° 80°
34°
High: 42°F
Avg: 34°F
Low: 25°F
Jan
36°
High: 45°F
Avg: 36°F
Low: 26°F
Feb
40°
High: 51°F
Avg: 40°F
Low: 29°F
Mar
45°
High: 58°F
Avg: 45°F
Low: 32°F
Apr
54°
High: 68°F
Avg: 54°F
Low: 39°F
May
61°
High: 78°F
Avg: 61°F
Low: 45°F
Jun
68°
High: 86°F
Avg: 68°F
Low: 50°F
Jul
67°
High: 85°F
Avg: 67°F
Low: 49°F
Aug
61°
High: 79°F
Avg: 61°F
Low: 44°F
Sep
51°
High: 66°F
Avg: 51°F
Low: 36°F
Oct
40°
High: 50°F
Avg: 40°F
Low: 30°F
Nov
33°
High: 41°F
Avg: 33°F
Low: 25°F
Dec
32°F
28°F
Avg High Avg Temp Avg Low Light Frost (32°F) Hard Frost (28°F)

Precipitation

0" 3" 6" 9" 10.5"
10.5"
10.48"
Jan
10.0"
10.03"
Feb
9.4"
9.37"
Mar
5.7"
5.67"
Apr
4.1"
4.11"
May
2.2"
2.16"
Jun
0.0"
0.00"
Jul
0.0"
0.00"
Aug
1.2"
1.21"
Sep
5.6"
5.59"
Oct
7.1"
7.13"
Nov
9.7"
9.71"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h15h14.5h13.5h12h11h9.5h9h
Jan: 7:17 AM – 4:43 PM · 9h 27m
Feb: 6:46 AM – 5:14 PM · 10h 28m
Mar: 6:10 AM – 5:50 PM · 11h 41m
Apr: 5:28 AM – 6:32 PM · 13h 04m
May: 4:53 AM – 7:07 PM · 14h 14m
Jun: 4:35 AM – 7:25 PM · 14h 51m
Jul: 4:42 AM – 7:18 PM · 14h 36m
Aug: 5:12 AM – 6:48 PM · 13h 36m
Sep: 5:53 AM – 6:07 PM · 12h 15m
Oct: 6:33 AM – 5:27 PM · 10h 54m
Nov: 7:08 AM – 4:52 PM · 9h 44m
Dec: 7:25 AM – 4:35 PM · 9h 09m
Daylight Longest: 14h 52m · Shortest: 9h 08m

Nearby Stations

Chester, CAMay 28 - September 28 Quincy, CAMay 22 - September 25 Susanville 2sw, CA May 16 - October 8 Mineral, CAJune 10 - September 13 De Sabla, CA April 17 - November 11 Manzanita Lake, CA June 9 - September 21

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