Frost Dates for Castroville, CA

Based on data from Salinas #2 weather station, 9 miles away

Elevation: 23 ft

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. February 4
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. December 6
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 February 21
First Fall Frost November 30

Hard Freeze (28°F)

Last Spring Hard Freeze December 31
First Fall Hard Freeze December 19
36.77°N, -121.76°W © OpenStreetMap

Growing Season

306 Days February 4 to December 6

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 9b

Avg. annual minimum: 25 to 30°F (−4 to −1°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

40° 50° 60° 70° 80°
52°
High: 63°F
Avg: 52°F
Low: 41°F
Jan
53°
High: 64°F
Avg: 53°F
Low: 42°F
Feb
55°
High: 66°F
Avg: 55°F
Low: 44°F
Mar
56°
High: 67°F
Avg: 56°F
Low: 45°F
Apr
58°
High: 68°F
Avg: 58°F
Low: 49°F
May
61°
High: 70°F
Avg: 61°F
Low: 51°F
Jun
62°
High: 71°F
Avg: 62°F
Low: 54°F
Jul
63°
High: 73°F
Avg: 63°F
Low: 54°F
Aug
64°
High: 75°F
Avg: 64°F
Low: 53°F
Sep
62°
High: 74°F
Avg: 62°F
Low: 49°F
Oct
56°
High: 68°F
Avg: 56°F
Low: 43°F
Nov
51°
High: 62°F
Avg: 51°F
Low: 40°F
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 2" 4" 6" 6.4"
6.4"
6.43"
Jan
5.6"
5.59"
Feb
4.9"
4.90"
Mar
3.4"
3.44"
Apr
1.1"
1.08"
May
0.0"
0.00"
Jun
0.0"
0.00"
Jul
0.0"
0.00"
Aug
0.0"
0.00"
Sep
1.7"
1.68"
Oct
3.6"
3.60"
Nov
5.1"
5.09"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h10.5h11.5h13h14h14.5h14.5h13.5h12h11h10h9.5h
Jan: 7:23 AM – 5:09 PM · 9h 45m
Feb: 7:02 AM – 5:41 PM · 10h 39m
Mar: 7:25 AM – 7:08 PM · 11h 43m
Apr: 6:39 AM – 7:35 PM · 12h 57m
May: 6:04 AM – 8:02 PM · 13h 57m
Jun: 5:52 AM – 8:22 PM · 14h 30m
Jul: 6:04 AM – 8:21 PM · 14h 17m
Aug: 6:29 AM – 7:53 PM · 13h 24m
Sep: 6:55 AM – 7:08 PM · 12h 13m
Oct: 7:21 AM – 6:23 PM · 11h 02m
Nov: 6:52 AM – 4:52 PM · 10h 00m
Dec: 7:17 AM – 4:48 PM · 9h 30m
Daylight Pacific Time (PT) Longest: 14h 31m · Shortest: 9h 29m

Nearby Stations

Salinas Municipal AP, CA January 29 - December 10 Monterey Peninsul AP, CA January 2 - December 23 Monterey Wfo, CA January 3 - December 28 Carmel Valley, CA February 20 - December 8 Monterey, CA January 1 - December 30 Paicines 4 W, CA April 14 - November 2

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