When is the last frost in Yolo, CA?

For ZIP code 95697, the average last spring frost (32°F) is February 7, based on NOAA 1991-2020 climate normals for the Woodland 1 Wnw, CA weather station. There is a 1-in-10 chance of a frost after March 11.

When is the first frost in Yolo, CA?

The average first fall frost (32°F) is December 5. There is a 1-in-10 chance of frost by November 19, so tender plants are at risk from that point on.

How long is the growing season in 95697?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 301 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.

Frost dates for 95697Yolo, CA

The average last spring frost in Yolo is February 7 and the average first fall frost is December 5, giving a typical growing season of about 301 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Feb 7
Average first fall frost: Dec 5
Growing season: 301 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.
Temperature	Last spring: 90% / 50% / 10% chance	First fall: 10% / 50% / 90% chance	Growing season (50%)	Years with at least one
Light frost (36°F)	Feb 15 · Mar 15 · Apr 12	Nov 4 · Nov 20 · Dec 5	246 days	100%
Frost / freeze (32°F)	Jan 9 · Feb 7 · Mar 11	Nov 19 · Dec 5 · Jan 1	301 days	98%
Hard freeze (28°F)	Dec 14 · Jan 10 · Feb 2	Dec 1 · Dec 18 · Jan 16	347 days	71%

Where these dates come from

ZIP code 95697 is matched to the NOAA station Woodland 1 Wnw, CA, 5.8 km away, at 67 ft elevation (9 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Woodland 1 Wnw, CA (used)	67 ft	Feb 7	Dec 5
Sacramento Metro Ap, CA	23 ft	Feb 22	Nov 24
Davis 2 Wsw Exp Farm, CA	60 ft	Feb 10	Dec 1
Winters, CA	135 ft	Feb 18	Nov 30

Frost dates near Yolo

Woodland, CA 95695 · last Feb 7, first Dec 5
Zamora, CA 95698 · last Feb 7, first Dec 5
Knights Landing, CA 95645 · last Feb 22, first Nov 24
Madison, CA 95653 · last Feb 18, first Nov 30
Robbins, CA 95676 · last Feb 22, first Nov 24
Esparto, CA 95627 · last Feb 18, first Nov 30
Sacramento, CA 95837 · last Feb 22, first Nov 24
Davis, CA 95616 · last Feb 10, first Dec 1

Frequently asked questions

When is the last frost in Yolo, CA?: For ZIP code 95697, the average last spring frost (32°F) is February 7, based on NOAA 1991-2020 climate normals for the Woodland 1 Wnw, CA weather station. There is a 1-in-10 chance of a frost after March 11.
When is the first frost in Yolo, CA?: The average first fall frost (32°F) is December 5. There is a 1-in-10 chance of frost by November 19, so tender plants are at risk from that point on.
How long is the growing season in 95697?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 301 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.