Weldon, IA 50264 Frost Dates
When can you plant in Weldon, IA?
Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/08, about 161 frost-free days later.
The USDA Plant Hardiness Zone Map puts Weldon in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 6 weeks of growing season left in Weldon before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Weldon's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Weldon compares
At roughly 161 frost-free days, Weldon places 32,179 of 40,283 ZIP codes in this dataset. Within IA, it ranks 755 of 1,042.
Learn more
zone vs. frost date covers why Zone 5b and Weldon's frost date answer different questions. the frost range covers how to read the range around Weldon's dates instead of trusting one.