Salmon, ID 59761 Frost Dates

Salmon, ID: when does the frost end?

The NOAA station nearest to 59761 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 5a (-20 to -15°F average annual minimum).

Salmon against the rest of the dataset

Salmon's growing season runs about 22 days, ranking 40,279 of 40,283 US ZIP codes measured here, longest to shortest. Within ID, it ranks 319 of 320.

Learn more

Before leaning on 59761's figures: local microclimates explains what one yard in Salmon can differ from the 59761 normal, while the methodology explains exactly which NOAA and USDA figures feed 59761's numbers.