Frost Dates for Orinda, CA

Based on data from Berkeley weather station, 4 miles away

Elevation: 495 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. January 3
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. January 1

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 25
37.88°N, -122.18°W © OpenStreetMap

Growing Season

364 Days January 3 to January 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

Avg. annual minimum: 30 to 35°F (−1 to 2°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°
51°
High: 59°F
Avg: 51°F
Low: 43°F
Jan
53°
High: 62°F
Avg: 53°F
Low: 45°F
Feb
55°
High: 65°F
Avg: 55°F
Low: 46°F
Mar
57°
High: 67°F
Avg: 57°F
Low: 47°F
Apr
60°
High: 70°F
Avg: 60°F
Low: 49°F
May
63°
High: 74°F
Avg: 63°F
Low: 52°F
Jun
64°
High: 74°F
Avg: 64°F
Low: 53°F
Jul
65°
High: 75°F
Avg: 65°F
Low: 54°F
Aug
65°
High: 76°F
Avg: 65°F
Low: 54°F
Sep
63°
High: 73°F
Avg: 63°F
Low: 52°F
Oct
56°
High: 65°F
Avg: 56°F
Low: 47°F
Nov
51°
High: 59°F
Avg: 51°F
Low: 43°F
Dec
Avg High Avg Temp Avg Low

Precipitation

0" 3" 6" 8.7"
7.7"
7.71"
Jan
7.8"
7.80"
Feb
7.1"
7.10"
Mar
4.7"
4.71"
Apr
2.3"
2.34"
May
0.0"
0.00"
Jun
0.0"
0.00"
Jul
0.0"
0.00"
Aug
0.0"
0.00"
Sep
2.6"
2.59"
Oct
6.6"
6.63"
Nov
8.7"
8.66"
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec9.5h10.5h11.5h13h14h14.5h14.5h13.5h12h11h10h9.5h
Jan: 7:29 AM – 5:08 PM · 9h 39m
Feb: 7:06 AM – 5:41 PM · 10h 35m
Mar: 7:27 AM – 7:10 PM · 11h 42m
Apr: 6:40 AM – 7:39 PM · 12h 59m
May: 6:04 AM – 8:07 PM · 14h 03m
Jun: 5:51 AM – 8:28 PM · 14h 37m
Jul: 6:03 AM – 8:26 PM · 14h 23m
Aug: 6:29 AM – 7:57 PM · 13h 28m
Sep: 6:57 AM – 7:10 PM · 12h 14m
Oct: 7:24 AM – 6:24 PM · 10h 60m
Nov: 6:57 AM – 4:51 PM · 9h 55m
Dec: 7:23 AM – 4:46 PM · 9h 23m
Daylight Pacific Time (PT) Longest: 14h 38m · Shortest: 9h 22m

Nearby Stations

Oakland Museum, CA Richmond, CAJanuary 4 - January 2 Oakland Metro Intl AP, CA January 7 - December 23 San Francisco Dwtn, CA Martinez Wtp, CA February 28 - November 22 Concord Wwtp, CA January 7 - December 19

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview