Frost Dates for Ben Lomond #4, CA

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 25
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 11
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 4
First Fall Frost November 1

Hard Freeze (28°F / -2°C)

Last Spring Hard Freeze February 6
First Fall Hard Freeze December 4
37.09°N, -122.08°W © OpenStreetMap

Growing Season

231 Days March 25 to November 11

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 9a

Learn more

Temperature

30° 50° 70° 90°
51°
High: 65°
Avg: 51°
Low: 37°
Jan
53°
High: 67°
Avg: 53°
Low: 39°
Feb
56°
High: 71°
Avg: 56°
Low: 41°
Mar
58°
High: 75°
Avg: 58°
Low: 42°
Apr
63°
High: 80°
Avg: 63°
Low: 46°
May
67°
High: 86°
Avg: 67°
Low: 49°
Jun
70°
High: 88°
Avg: 70°
Low: 51°
Jul
70°
High: 90°
Avg: 70°
Low: 51°
Aug
69°
High: 89°
Avg: 69°
Low: 49°
Sep
64°
High: 83°
Avg: 64°
Low: 44°
Oct
55°
High: 71°
Avg: 55°
Low: 40°
Nov
50°
High: 64°
Avg: 50°
Low: 37°
Dec
32°F
Avg High Avg Temp Avg Low Light Frost (32°F)

Precipitation

0" 4" 8" 12" 13.5"
13.5"
13.47"
Jan
12.9"
12.89"
Feb
10.5"
10.52"
Mar
6.4"
6.42"
Apr
3.8"
3.76"
May
0.0"
0.00"
Jun
0.0"
0.00"
Jul
0.0"
0.00"
Aug
0.0"
0.00"
Sep
4.2"
4.21"
Oct
9.1"
9.10"
Nov
12.7"
12.65"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h14h15h14h13h12h11h10h9h
Jan: 7:08 AM – 4:52 PM · 9h 43m
Feb: 6:41 AM – 5:19 PM · 10h 38m
Mar: 6:09 AM – 5:51 PM · 11h 43m
Apr: 5:31 AM – 6:29 PM · 12h 58m
May: 5:00 AM – 6:60 PM · 13h 59m
Jun: 4:44 AM – 7:16 PM · 14h 32m
Jul: 4:51 AM – 7:09 PM · 14h 19m
Aug: 5:17 AM – 6:43 PM · 13h 25m
Sep: 5:53 AM – 6:07 PM · 12h 13m
Oct: 6:29 AM – 5:31 PM · 11h 01m
Nov: 7:01 AM – 4:59 PM · 9h 58m
Dec: 7:16 AM – 4:44 PM · 9h 28m
Daylight Longest: 14h 33m · Shortest: 9h 27m

Nearby Stations

Santa Cruz, CA January 29 - December 13 Los Gatos, CA February 2 - December 6 Skyline Ridge Preserve, CA March 21 - December 15 Watsonville Muni AP, CA January 31 - December 9 Watsonville Wtr Wks, CA January 28 - December 13 San Jose, CA January 2 - December 25

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