FrostDateByZip

Frost dates for 98557Mccleary, WA

The average last spring frost in Mccleary is May 1 and the average first fall frost is October 14, giving a typical growing season of about 169 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
May 1

Safer after May 19 (1-in-10 risk)

Average first fall frost
Oct 14

Possible by Sep 29 (1-in-10 risk)

Growing season
169 days

Last frost typically in 183 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)May 1 · May 19 · Jun 11Sep 12 · Sep 29 · Oct 15130 days100%
Frost / freeze (32°F)Apr 11 · May 1 · May 19Sep 29 · Oct 14 · Nov 4169 days100%
Hard freeze (28°F)Mar 8 · Apr 3 · May 3Oct 10 · Nov 2 · Nov 27212 days100%

Planting calendar for Mccleary

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 indoorsMar 31 – Jun 6
TomatoesTransplant outdoorsMay 17 – Jun 24
PeppersStart seeds indoorsMar 31 – May 1
PeppersTransplant outdoorsMay 31 – Jul 1
EggplantStart seeds indoorsApr 17 – May 16
EggplantTransplant outdoorsMay 31 – Jul 1
CucumbersSow outdoorsMay 31 – Jul 4
Summer squashSow outdoorsMay 17 – Jul 1
Winter squash & pumpkinsSow outdoorsMay 31 – Jul 1
Snap beansSow outdoorsMay 17 – Jul 27
Sweet cornSow outdoorsMay 17 – Jun 24
Watermelon & cantaloupeSow outdoorsMay 31 – Jul 1
OkraSow outdoorsMay 24 – Jun 16
PeasSow outdoors (spring)Mar 31 – May 16
PotatoesPlant outdoors (spring)Mar 31 – May 31
OnionsStart seeds indoors (spring)Feb 17 – Mar 16
OnionsTransplant outdoors (spring)Apr 17 – May 16
BroccoliStart seeds indoors (spring)Mar 13 – Apr 16
BroccoliTransplant outdoors (spring)Apr 17 – May 16
BroccoliStart seeds indoors (fall)Jun 14 – Jun 24
BroccoliTransplant outdoors (fall)Jul 14 – Jul 25
CabbageStart seeds indoors (spring)Mar 3 – Mar 31
CabbageTransplant outdoors (spring)Mar 31 – May 1
CabbageStart seeds indoors (fall)Jun 4 – Jul 4
CabbageTransplant outdoors (fall)Jul 4 – Aug 4
Leaf lettuceSow outdoors (spring)Mar 31 – Jun 16
Leaf lettuceSow outdoors (fall)Jul 4 – Aug 20
SpinachSow outdoors (spring)Mar 24 – May 7
SpinachSow outdoors (fall)Jul 21 – Aug 25
RadishesSow outdoors (spring)Mar 31 – May 21
RadishesSow outdoors (fall)Jul 4 – Sep 4
KaleSow outdoors (spring)Apr 17 – May 7
KaleSow outdoors (fall)Jun 27 – Aug 4
CarrotsSow outdoors (spring)May 1 – Jun 16
CarrotsSow outdoors (fall)Jun 4 – Jul 20
GarlicPlant outdoors (fall)Oct 4 – Nov 4

Where these dates come from

ZIP code 98557 is matched to the NOAA station Elma, WA, 10 km away, at 70 ft elevation (166 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Elma, WA (used)70 ftMay 1Oct 14
Matlock 8 S, WA110 ftApr 23Oct 20
Shelton Sanderson Fld, WA271 ftApr 27Oct 16
Olympia Ap, WA188 ftApr 29Oct 14

Frost dates near Mccleary

Frequently asked questions

When is the last frost in Mccleary, WA?
For ZIP code 98557, the average last spring frost (32°F) is May 1, based on NOAA 1991-2020 climate normals for the Elma, WA weather station. There is a 1-in-10 chance of a frost after May 19.
When is the first frost in Mccleary, WA?
The average first fall frost (32°F) is October 14. There is a 1-in-10 chance of frost by September 29, so tender plants are at risk from that point on.
How long is the growing season in 98557?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 169 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.