Frost Dates for Hearst Castle, 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. February 13
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. February 1

This location has a very short growing season. Frost can occur at almost any time of year.

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 27
First Fall Frost January 8
35.68°N, -121.17°W © OpenStreetMap

Growing Season

354 Days February 13 to February 1

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 10a

Learn more

Temperature

40° 50° 60° 70° 80°
53°
High: 60°
Avg: 53°
Low: 47°
Jan
52°
High: 60°
Avg: 52°
Low: 45°
Feb
55°
High: 62°
Avg: 55°
Low: 47°
Mar
56°
High: 65°
Avg: 56°
Low: 47°
Apr
61°
High: 69°
Avg: 61°
Low: 52°
May
64°
High: 73°
Avg: 64°
Low: 55°
Jun
66°
High: 75°
Avg: 66°
Low: 57°
Jul
68°
High: 77°
Avg: 68°
Low: 58°
Aug
69°
High: 78°
Avg: 69°
Low: 60°
Sep
65°
High: 74°
Avg: 65°
Low: 56°
Oct
58°
High: 66°
Avg: 58°
Low: 50°
Nov
52°
High: 59°
Avg: 52°
Low: 46°
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 4" 8" 12" 15.2"
15.2"
15.17"
Jan
11.7"
11.69"
Feb
10.9"
10.94"
Mar
5.9"
5.88"
Apr
0.8"
0.81"
May
0.0"
0.00"
Jun
0.0"
0.00"
Jul
0.0"
0.00"
Aug
0.0"
0.00"
Sep
3.7"
3.73"
Oct
8.7"
8.68"
Nov
13.0"
12.96"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10h11h12h13h14h14h14h13h12h11h10h10h
Jan: 7:05 AM – 4:55 PM · 9h 50m
Feb: 6:39 AM – 5:21 PM · 10h 42m
Mar: 6:08 AM – 5:52 PM · 11h 44m
Apr: 5:33 AM – 6:27 PM · 12h 55m
May: 5:03 AM – 6:57 PM · 13h 53m
Jun: 4:48 AM – 7:12 PM · 14h 24m
Jul: 4:54 AM – 7:06 PM · 14h 12m
Aug: 5:19 AM – 6:41 PM · 13h 21m
Sep: 5:54 AM – 6:06 PM · 12h 13m
Oct: 6:28 AM – 5:32 PM · 11h 04m
Nov: 6:58 AM – 5:02 PM · 10h 04m
Dec: 7:12 AM – 4:48 PM · 9h 36m
Daylight Longest: 14h 25m · Shortest: 9h 35m

Nearby Stations

Paso Robles, CA March 15 - November 10 Morro Bay Fire Dept, CA January 19 - January 14 Paso Robles Muni AP, CA April 4 - November 5 King City, CA February 23 - November 22 San Luis Obispo Poly, CA January 16 - December 25 San Luis Obispo AP, CA January 31 - December 11

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