FrostDateByZip

Frost dates for 94256Sacramento, CA

The average last spring frost in Sacramento is January 12 and the average first fall frost is December 16, giving a typical growing season of about 341 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost
Jan 12

Safer after Feb 8 (1-in-10 risk)

Average first fall frost
Dec 16

Possible by Nov 28 (1-in-10 risk)

Growing season
341 days

First frost typically in 60 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
TemperatureLast spring: 90% / 50% / 10% chanceFirst fall: 10% / 50% / 90% chanceGrowing season (50%)Years with at least one
Light frost (36°F)Jan 9 · Feb 12 · Mar 11Nov 15 · Dec 1 · Dec 29289 days99%
Frost / freeze (32°F)Dec 18 · Jan 12 · Feb 8Nov 28 · Dec 16 · Jan 14341 days81%
Hard freeze (28°F)Dec 13 · Dec 31 · Jan 22Dec 5 · Dec 25 · Jan 14365 days25%

Where these dates come from

ZIP code 94256 is matched to the NOAA station Sacramento 5 Ese, CA, 7.3 km away, at 38 ft elevation (12 ft higher than the ZIP code's center). Nearby stations for comparison:

StationElevationAvg last frostAvg first frost
Sacramento 5 Ese, CA (used)38 ftJan 12Dec 16
Sacramento Executive Ap, CA15 ftFeb 2Dec 2
Sacramento Metro Ap, CA23 ftFeb 22Nov 24
Davis 2 Wsw Exp Farm, CA60 ftFeb 10Dec 1

Frost dates near Sacramento

Frequently asked questions

When is the last frost in Sacramento, CA?
For ZIP code 94256, the average last spring frost (32°F) is January 12, based on NOAA 1991-2020 climate normals for the Sacramento 5 Ese, CA weather station. There is a 1-in-10 chance of a frost after February 8.
When is the first frost in Sacramento, CA?
The average first fall frost (32°F) is December 16. There is a 1-in-10 chance of frost by November 28, so tender plants are at risk from that point on.
How long is the growing season in 94256?
In half of years, the frost-free season (between the last and first 32°F frost) is at least 341 days long.
Are these frost dates a forecast?
No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.