Frost Dates for Nevada City, CA

Elevation: 848 m

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. April 14
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 20

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 April 23
First Fall Frost November 10

Hard Freeze (28°F)

Last Spring Hard Freeze March 17
First Fall Hard Freeze December 8
39.25°N, 121.00°W © OpenStreetMap

Growing Season

220 Days April 14 to November 20

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.
Csa Hot-Summer Mediterranean

Hot, dry summers and mild, wet winters. Classic Mediterranean climate ideal for grapes, olives, tomatoes, and herbs. Summer irrigation is usually necessary.

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
January51°43°35°
February53°44°35°
March57°47°37°
April63°51°40°
May71°59°47°
June79°67°54°
July87°73°60°
August87°73°59°
September82°69°55°
October71°59°47°
November57°48°40°
December48°41°35°

Precipitation

Precipitation table
Average monthly precipitation (inches)
MonthPrecipitation
January14.4
February13.6
March14.3
April10.2
May7.5
June2.1
July0.0
August0.0
September0.0
October10.6
November12.1
December16.6

Sunrise / Sunset

Daylight Longest: 14h 46m · Shortest: 9h 14m
Sunrise and sunset table
Sunrise, sunset, and daylight on the 15th of each month (local solar time)
Month Sunrise Sunset Daylight
January7:14 AM4:46 PM9h 32m
February6:45 AM5:15 PM10h 31m
March6:09 AM5:51 PM11h 42m
April5:29 AM6:31 PM13h 02m
May4:55 AM7:05 PM14h 09m
June4:38 AM7:22 PM14h 45m
July4:45 AM7:15 PM14h 30m
August5:14 AM6:46 PM13h 32m
September5:53 AM6:07 PM12h 14m
October6:32 AM5:28 PM10h 56m
November7:06 AM4:54 PM9h 48m
December7:23 AM4:37 PM9h 15m

Nearby Stations

Grass Valley #2, CA April 10 - November 13 Colfax, CAApril 3 - November 24 Dobbins 1 S, CA April 1 - November 17 Blue Canyon AP, CA May 4 - November 4 Lake Spaulding, CA May 22 - October 16 Strawberry Valley, CA May 4 - October 30

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