Rembrandt, IA 50576 Frost Dates
Frost dates for Rembrandt, IA, ZIP 50576
Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/05, about 159 frost-free days later.
Rembrandt sits in USDA Zone 5a (-20 to -15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 5a around Rembrandt has about 5 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Rembrandt compares
At roughly 159 frost-free days, Rembrandt places 32,784 of 40,283 ZIP codes in this dataset. Within IA, it ranks 802 of 1,042.
Learn more
the frost range explains how to read the range around Rembrandt's dates instead of trusting one, and local microclimates explains what one yard in Rembrandt can differ from the 50576 normal.