FrostDateByZip

Frost dates for 95374Stevinson, CA

The average last spring frost in Stevinson is March 28 and the average first fall frost is November 14, giving a typical growing season of about 233 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Mar 28

Safer after Apr 27 (1-in-10 risk)

Average first fall frost
Nov 14

Possible by Oct 27 (1-in-10 risk)

Growing season
233 days

First frost typically in 18 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Apr 6 · Apr 29 · May 25Oct 9 · Oct 31 · Nov 16183 days100%
Frost / freeze (32°F)Feb 18 · Mar 28 · Apr 27Oct 27 · Nov 14 · Dec 1233 days100%
Hard freeze (28°F)Jan 4 · Feb 12 · Mar 24Nov 9 · Nov 29 · Dec 31294 days99%

Planting calendar for Stevinson

Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.

CropTaskWindow
TomatoesStart seeds indoorsFeb 25 – May 3
TomatoesTransplant outdoorsApr 13 – Jul 25
PeppersStart seeds indoorsFeb 25 – Mar 28
PeppersTransplant outdoorsApr 27 – May 28
EggplantStart seeds indoorsMar 14 – Apr 12
EggplantTransplant outdoorsApr 27 – May 28
CucumbersSow outdoorsApr 27 – Aug 4
Summer squashSow outdoorsApr 13 – May 28
Winter squash & pumpkinsSow outdoorsApr 27 – May 28
Snap beansSow outdoorsApr 13 – Aug 27
Sweet cornSow outdoorsApr 13 – Jul 25
Watermelon & cantaloupeSow outdoorsApr 27 – May 28
OkraSow outdoorsApr 20 – May 13
PeasSow outdoors (spring)Feb 25 – Apr 12
PotatoesPlant outdoors (spring)Feb 25 – Apr 27
OnionsStart seeds indoors (spring)Jan 14 – Feb 10
OnionsTransplant outdoors (spring)Mar 14 – Apr 12
BroccoliStart seeds indoors (spring)Feb 7 – Mar 13
BroccoliTransplant outdoors (spring)Mar 14 – Apr 12
BroccoliStart seeds indoors (fall)Jul 15 – Jul 25
BroccoliTransplant outdoors (fall)Aug 14 – Aug 25
CabbageStart seeds indoors (spring)Jan 28 – Feb 25
CabbageTransplant outdoors (spring)Feb 25 – Mar 28
CabbageStart seeds indoors (fall)Jul 5 – Aug 4
CabbageTransplant outdoors (fall)Aug 4 – Sep 4
Leaf lettuceSow outdoors (spring)Feb 25 – May 13
Leaf lettuceSow outdoors (fall)Aug 4 – Sep 20
SpinachSow outdoors (spring)Feb 18 – Apr 3
SpinachSow outdoors (fall)Aug 21 – Sep 25
RadishesSow outdoors (spring)Feb 25 – Apr 17
RadishesSow outdoors (fall)Aug 4 – Oct 5
KaleSow outdoors (spring)Mar 14 – Apr 3
KaleSow outdoors (fall)Jul 28 – Sep 4
CarrotsSow outdoors (spring)Mar 28 – May 13
CarrotsSow outdoors (fall)Jul 5 – Aug 20
GarlicPlant outdoors (fall)Nov 4 – Dec 5

Where these dates come from

ZIP code 95374 is matched to the NOAA station Merced 23 Wsw, CA, 10 km away, at 78 ft elevation (1 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Merced 23 Wsw, CA (used)78 ftMar 28Nov 14
Newman, CA90 ftFeb 26Nov 29
Turlock #2, CA103 ftJan 6Dec 20
Los Banos, CA120 ftJan 26Dec 10

Frost dates near Stevinson

Frequently asked questions

When is the last frost in Stevinson, CA?
For ZIP code 95374, the average last spring frost (32°F) is March 28, based on NOAA 1991-2020 climate normals for the Merced 23 Wsw, CA weather station. There is a 1-in-10 chance of a frost after April 27.
When is the first frost in Stevinson, CA?
The average first fall frost (32°F) is November 14. There is a 1-in-10 chance of frost by October 27, so tender plants are at risk from that point on.
How long is the growing season in 95374?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 233 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.