Frost Dates for Willits, CA

Based on data from Willits 1 Ne weather station, 1 miles away

Elevation: 1391 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. May 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. October 9

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 May 17
First Fall Frost October 3

Hard Freeze (28°F)

Last Spring Hard Freeze March 31
First Fall Hard Freeze October 30
39.41°N, 123.36°W © OpenStreetMap

Growing Season

157 Days May 5 to October 9

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 8b

Avg. annual minimum: 15 to 20°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
January54°44°33°
February56°45°34°
March59°47°36°
April62°50°37°
May69°55°40°
June76°60°44°
July84°66°48°
August83°65°46°
September82°62°42°
October72°55°37°
November60°48°35°
December53°43°32°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January12.0
February9.9
March9.6
April5.8
May5.9
June1.0
July0.0
August0.0
September0.7
October6.1
November8.2
December12.6

Sunrise / Sunset

Daylight Pacific Time (PT) Longest: 14h 47m · Shortest: 9h 13m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (Pacific Time (PT))
Month Sunrise Sunset Daylight
January7:37 AM5:08 PM9h 31m
February7:13 AM5:43 PM10h 30m
March7:32 AM7:14 PM11h 41m
April6:42 AM7:45 PM13h 03m
May6:05 AM8:15 PM14h 10m
June5:51 AM8:37 PM14h 46m
July6:03 AM8:35 PM14h 31m
August6:31 AM8:04 PM13h 33m
September7:01 AM7:15 PM12h 15m
October7:30 AM6:27 PM10h 56m
November7:05 AM4:52 PM9h 47m
December7:32 AM4:46 PM9h 14m

Nearby Stations

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