Frost Dates for 89410 — Gardnerville, Nevada

Half of springs at Minden, NV see their last 32°F night by May 30; only one in ten is past it by May 8, and one in ten still has one after June 14. Planting tender crops after June 4 leaves a 30% risk of a frost on them, after June 8 20%, and after June 14 10%. The 15 days between the even-odds date and the one-in-ten date is the narrowest of the 38 Nevada stations behind this site's ZIP pages.

In fall the first 32°F night comes by September 26 in half of years, as early as September 9 one year in ten, and holds off past October 9 one year in ten. A hard freeze of 28°F follows 12 days later, around October 8; in spring the one-in-ten date for 28°F is May 29, 16 days before the 32°F one. The freeze-free season lasts 119 days in a typical year, shorter than at 87% of the 38 Nevada stations; it reaches 142 days one year in ten and falls short of 96 one year in ten. On average 189 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 13 days longer, to about June 12, and return around September 9. Severe cold of 16°F or below comes every winter, usually between November 10 and March 13.

July is the warmest month at Minden, NV, averaging 91°F by day and 49°F at night; December is the coldest at 46°F and 19°F. A freezing night is all but certain in every month from October to May (a 90% chance or more). From July to August the chance of a 32°F night stays under 10% each month. In spring, June still brings one in 43% of years.

Warmth for growing adds up to 2,329 growing degree days a year (base 50°F), fewer than at 84% of the 38 Nevada stations. 28% of them (657) have built up by the end of June, and July adds the most, 623. Precipitation totals 9.4 inches a year, most in January (1.7") and least in September (0.2"); May to September bring 18% of it.

The nearest other station, Dagget Pass, NV, 12 miles northwest of Gardnerville and 2,625 feet higher, has a last frost 8 days later (June 7), a first frost 2 days later (September 28), a season 6 days shorter.

The first measurable snow (0.1 inch or more) in Gardnerville usually arrives around December 2, and the last of the season around March 25. Those are the middle dates across the winters of 1991–2020 at Minden, NV, 6.7 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 66 days after the last snow.

ZIP 89410 is 7 miles from Minden, NV, which stands at 4,709 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 2 other ZIP codes share the station; its figures are presented in full for 89460 (Gardnerville). The 2023 USDA Plant Hardiness Zone Map lists ZIP 89410 in zone 7a, the band where the coldest night of the year averaged 0 to 5°F (-17.8 to -15.0°C) over 1991–2020; a zone describes winter lows, not frost dates.