Frost Dates for Lakeport, CA

Based on data from Ukiah Muni AP weather station, 16 miles away

Elevation: 1355 ft

Frost Dates

Last Spring Frost (50%) A 50% chance that the last spring frost has already passed by this date. Most gardeners use this as their primary planting guide. March 5
First Fall Frost (50%) A 50% chance that the first fall frost has occurred by this date. Plan to harvest or protect tender plants before this date. November 21

30% Probability

Only 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 March 19
First Fall Frost November 12

Hard Freeze (28°F)

Last Spring Hard Freeze January 27
First Fall Hard Freeze December 5
39.04°N, 122.92°W © OpenStreetMap

Growing Season

261 Days March 5 to November 21

USDA Hardiness Zone

Hardiness 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

Learn more

Köppen Climate

The 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

Avg High Avg Temp Avg Low Light Frost (32°F)
Temperature table
Average monthly temperatures (°F)
Month Avg High Avg Temp Avg Low
January58°48°37°
February61°50°39°
March65°53°41°
April69°56°43°
May78°63°48°
June86°69°52°
July94°75°56°
August94°74°55°
September89°70°51°
October79°62°45°
November65°52°40°
December57°46°36°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January6.7
February6.5
March6.7
April4.3
May3.7
June0.0
July0.0
August0.0
September0.1
October3.6
November4.4
December7.3

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 14h 45m · Shortest: 9h 15m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:36 AM5:08 PM9h 32m
February7:12 AM5:43 PM10h 31m
March7:32 AM7:13 PM11h 42m
April6:42 AM7:44 PM13h 02m
May6:05 AM8:13 PM14h 09m
June5:51 AM8:35 PM14h 44m
July6:04 AM8:33 PM14h 30m
August6:31 AM8:03 PM13h 32m
September7:00 AM7:15 PM12h 14m
October7:30 AM6:26 PM10h 57m
November7:04 AM4:52 PM9h 49m
December7:31 AM4:46 PM9h 16m

Nearby Stations

Ukiah, CAMarch 19 - November 20 Potter Valley Powerhouse, CA April 8 - November 6 Willits 1 Ne, CAMay 5 - October 9 Cloverdale, CA February 25 - December 3 Clearlake 4 Se, CA April 10 - November 6 Healdsburg, CA February 15 - December 2

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