Frost Dates for Isla Vista, CA

Based on data from Santa Barbara 11 W weather station, 1 miles away

Elevation: 46 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. December 31
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 20

This location has a nearly year-round growing season with a brief frost risk period in winter.

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 January 12
First Fall Frost December 11
34.41°N, -119.86°W © OpenStreetMap

Growing Season

354 Days December 31 to December 20

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

Avg. annual minimum: 20 to 25°F (−7 to −4°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°
53°
High: 64°F
Avg: 53°F
Low: 43°F
Jan
53°
High: 62°F
Avg: 53°F
Low: 44°F
Feb
56°
High: 65°F
Avg: 56°F
Low: 46°F
Mar
57°
High: 65°F
Avg: 57°F
Low: 48°F
Apr
59°
High: 68°F
Avg: 59°F
Low: 51°F
May
61°
High: 68°F
Avg: 61°F
Low: 54°F
Jun
64°
High: 71°F
Avg: 64°F
Low: 57°F
Jul
64°
High: 72°F
Avg: 64°F
Low: 57°F
Aug
64°
High: 71°F
Avg: 64°F
Low: 56°F
Sep
62°
High: 72°F
Avg: 62°F
Low: 51°F
Oct
57°
High: 68°F
Avg: 57°F
Low: 46°F
Nov
53°
High: 63°F
Avg: 53°F
Low: 42°F
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 3" 6" 9" 10.7"
10.7"
10.73"
Jan
7.6"
7.63"
Feb
6.7"
6.67"
Mar
2.8"
2.75"
Apr
0.0"
0.00"
May
0.0"
0.00"
Jun
0.0"
0.00"
Jul
0.0"
0.00"
Aug
0.0"
0.00"
Sep
0.0"
0.00"
Oct
2.9"
2.88"
Nov
7.4"
7.42"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h11.5h13h14h14.5h14h13.5h12h11h10h9.5h
Jan: 7:11 AM – 5:07 PM · 9h 56m
Feb: 6:51 AM – 5:37 PM · 10h 46m
Mar: 7:17 AM – 7:01 PM · 11h 45m
Apr: 6:34 AM – 7:26 PM · 12h 52m
May: 6:02 AM – 7:50 PM · 13h 48m
Jun: 5:51 AM – 8:08 PM · 14h 17m
Jul: 6:02 AM – 8:08 PM · 14h 05m
Aug: 6:25 AM – 7:42 PM · 13h 17m
Sep: 6:48 AM – 7:00 PM · 12h 12m
Oct: 7:11 AM – 6:18 PM · 11h 07m
Nov: 6:40 AM – 4:50 PM · 10h 10m
Dec: 7:04 AM – 4:47 PM · 9h 42m
Daylight Pacific Time (PT) Longest: 14h 18m · Shortest: 9h 42m

Nearby Stations

Santa Barbara Muni AP, CA January 11 - December 16 Santa Barbara, CA January 13 - January 6 Cachuma Lake, CA April 11 - November 8 Gibraltar Dam #2, CA March 20 - November 27 Lompoc, CA January 20 - December 19 Ojai, CAMarch 21 - November 15

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