Frost Dates for 95843 — Antelope, California

In the 81% of winters that bring a 32°F night, half of springs at Sacramento 5 ESE, CA see their last 32°F night by January 12; only one in ten is past it by December 18, and one in ten still has one after February 8. Counting the winters with no freeze at all, the risk of a 32°F night after February 8 is under 8% and after January 12 41%. The 27 days between the even-odds date and the one-in-ten date is narrower than at 65% of the 220 California stations behind this site's ZIP pages, so a fixed calendar date is a gamble here.

In fall the first 32°F night comes by December 16 in half of years, as early as November 28 one year in ten, and holds off past January 14 one year in ten. A hard freeze of 28°F is less common: it came in 25% of winters. The freeze-free season lasts 341 days in a typical year, longer than at 89% of the 219 California stations; it reaches 365 days one year in ten and falls short of 308 one year in ten. On average 4 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 31 days longer, to about February 12, and return around December 1. A 24°F night is unusual: 1% of winters had one.

July is the warmest month at Sacramento 5 ESE, CA, averaging 94°F by day and 61°F at night; December is the coldest at 56°F and 41°F. From March to October the chance of a 32°F night stays under 10% each month. In spring, February still brings one in 15% of years.

Warmth for growing adds up to 5,115 growing degree days a year (base 50°F), more than at 67% of the 283 California stations. 39% of them (1,980) have built up by the end of June, and July adds the most, 865. Precipitation totals 19.2 inches a year, most in January (3.9") and least in July (0.0"); May to September bring 7% of it.

The nearest other station, Sacramento Metro Airport, CA, 12 miles west of Antelope, has a last frost 41 days later (February 22), a first frost 22 days earlier (November 24), a season 64 days shorter.

Measurable snow is rare here: only 0 of 24 winters from 1991 to 2020 recorded 0.1 inch or more at Sacramento 5 ESE, CA, 11.4 miles away, so there is no typical first-snow date to plan around.

ZIP 95843 is 11 miles from Sacramento 5 ESE, CA, which stands at 38 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. 32 other ZIP codes share the station; its figures are presented in full for 95630 (Folsom). The 2023 USDA Plant Hardiness Zone Map lists ZIP 95843 in zone 9b, the band where the coldest night of the year averaged 25 to 30°F (-3.9 to -1.1°C) over 1991–2020; a zone describes winter lows, not frost dates.