Sun Valley, ID 83353 Frost Dates
Sun Valley, ID: when does the frost end?
The NOAA station nearest to 83353 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 5b (-15 to -10°F average annual minimum).
Sun Valley against the rest of the dataset
At roughly 77 frost-free days, Sun Valley places 40,075 of 40,283 ZIP codes in this dataset. Within ID, it ranks 291 of 320.
Learn more
Before leaning on 83353's figures: the methodology explains exactly which NOAA and USDA figures feed 83353's numbers, while zone vs. frost date explains why Zone 5b and Sun Valley's frost date answer different questions.