FrostDateByZip

Frost dates for 52531Albia, IA

The average last spring frost in Albia is April 24 and the average first fall frost is October 16, giving a typical growing season of about 173 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Apr 24

Safer after May 9 (1-in-10 risk)

Average first fall frost
Oct 16

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

Growing season
173 days

Last frost typically in 173 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 20 · May 4 · May 20Sep 20 · Oct 4 · Oct 18153 days100%
Frost / freeze (32°F)Apr 8 · Apr 24 · May 9Sep 29 · Oct 16 · Oct 28173 days100%
Hard freeze (28°F)Mar 29 · Apr 12 · Apr 29Oct 11 · Oct 26 · Nov 6195 days100%

Planting calendar for Albia

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 24 – May 30
TomatoesTransplant outdoorsMay 10 – Jun 26
PeppersStart seeds indoorsMar 24 – Apr 24
PeppersTransplant outdoorsMay 24 – Jun 24
EggplantStart seeds indoorsApr 10 – May 9
EggplantTransplant outdoorsMay 24 – Jun 24
CucumbersSow outdoorsMay 24 – Jul 6
Summer squashSow outdoorsMay 10 – Jun 24
Winter squash & pumpkinsSow outdoorsMay 24 – Jun 24
Snap beansSow outdoorsMay 10 – Jul 29
Sweet cornSow outdoorsMay 10 – Jun 26
Watermelon & cantaloupeSow outdoorsMay 24 – Jun 24
OkraSow outdoorsMay 17 – Jun 9
PeasSow outdoors (spring)Mar 24 – May 9
PotatoesPlant outdoors (spring)Mar 24 – May 24
OnionsStart seeds indoors (spring)Feb 10 – Mar 9
OnionsTransplant outdoors (spring)Apr 10 – May 9
BroccoliStart seeds indoors (spring)Mar 6 – Apr 9
BroccoliTransplant outdoors (spring)Apr 10 – May 9
BroccoliStart seeds indoors (fall)Jun 16 – Jun 26
BroccoliTransplant outdoors (fall)Jul 16 – Jul 27
CabbageStart seeds indoors (spring)Feb 24 – Mar 24
CabbageTransplant outdoors (spring)Mar 24 – Apr 24
CabbageStart seeds indoors (fall)Jun 6 – Jul 6
CabbageTransplant outdoors (fall)Jul 6 – Aug 6
Leaf lettuceSow outdoors (spring)Mar 24 – Jun 9
Leaf lettuceSow outdoors (fall)Jul 6 – Aug 22
SpinachSow outdoors (spring)Mar 17 – Apr 30
SpinachSow outdoors (fall)Jul 23 – Aug 27
RadishesSow outdoors (spring)Mar 24 – May 14
RadishesSow outdoors (fall)Jul 6 – Sep 6
KaleSow outdoors (spring)Apr 10 – Apr 30
KaleSow outdoors (fall)Jun 29 – Aug 6
CarrotsSow outdoors (spring)Apr 24 – Jun 9
CarrotsSow outdoors (fall)Jun 6 – Jul 22
GarlicPlant outdoors (fall)Oct 6 – Nov 6

Where these dates come from

ZIP code 52531 is matched to the NOAA station Albia 3 Nne, IA, 4.2 km away, at 880 ft elevation (78 ft lower than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Albia 3 Nne, IA (used)880 ftApr 24Oct 16
Rathbun Dam, IA965 ftApr 18Oct 23
Ottumwa Industrial Ap, IA842 ftApr 23Oct 14
Centerville, IA905 ftApr 28Oct 14

Frost dates near Albia

Frequently asked questions

When is the last frost in Albia, IA?
For ZIP code 52531, the average last spring frost (32°F) is April 24, based on NOAA 1991-2020 climate normals for the Albia 3 Nne, IA weather station. There is a 1-in-10 chance of a frost after May 9.
When is the first frost in Albia, IA?
The average first fall frost (32°F) is October 16. 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 52531?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 173 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.