Frost dates 2026–2027

Frost dates for Seaside, California

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Monterey Peninsul Airport, 3.0 mi away (close match).

Last spring frostJan 2
First fall frostDec 23
363 frost-free days
Last spring frostJan 21 year in 10 after Jan 20
First fall frostDec 231 year in 10 by Dec 1
Growing season363 daysbetween median 32°F dates
Hardiness zoneZone 10a30 to 35°F average extreme low

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Will it freeze in Seaside in the next 7 nights?

No overnight lows at or below 32°F are forecast in Seaside during the next 7 nights in the available NWS frost forecast.

Tonight: forecast low 51°F. Above 36°F.

NWS forecast period: Thu, Nov 5, 6:00 PM PST to Fri, Nov 6, 6:00 AM PST.

No nights at or below 36°F in the National Weather Service forecast for the next 7 nights.

Overnight lows from the National Weather Service forecast for this location. This covers the available forecast window, not the first freeze of the whole season. Frost can form above 32°F on clear, calm nights.

Frost and freeze probabilities

Freeze dates shift from year to year. Spring percentages describe the chance of a freeze after the stated date; fall percentages describe the chance of a freeze by that date. The 10% spring date is the cautious one: a later freeze happens about 1 year in 10.

These dates describe historical probabilities, not this year’s forecast or the earliest and latest possible freezes. Different weather stations or probability thresholds can produce different published dates for the same city.

Average first hard freeze in Seaside

Most years have no 28°F hard freeze at Monterey Peninsul Airport, according to NOAA’s 1991–2020 Climate Normals. Check the short-term forecast above during cold snaps.

TemperatureLast spring date
90% · 50% · 10% chance of a later freeze
First fall date
10% · 50% · 90% chance of an earlier freeze
Season
36°F frost possible Dec 27 · Jan 27 · Mar 11 Nov 18 · Dec 7 · Jan 3 316 days
32°F freeze Dec 6 · Jan 2 · Jan 20 Dec 1 · Dec 23 · Jan 12 363 days
28°F hard freeze rare in most years rare in most years 365 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023259. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Monterey Peninsul Airport

Average low temperature by month

Months with lows near or below freezing carry frost risk

Where these frost dates come from

The frost dates for Seaside, CA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Monterey Peninsul Airport (station USW00023259, elevation 165 ft), 3.0 mi from Seaside. Local conditions (valleys, hilltops, distance to water, city heat) can shift frost dates by days or weeks. The hardiness zone is from the 2023 USDA Plant Hardiness Zone Map (USDA ARS and Oregon State University PRISM). See our methodology.

Frost dates near Seaside

CityDistanceLast spring frostFirst fall frost
Monterey, CA 3.7 mi rare rare
Marina, CA 4.3 mi Feb 4 Dec 6
Pacific Grove, CA 6.2 mi rare rare
Salinas, CA 11 mi Jan 29 Dec 10
Watsonville, CA 21 mi Jan 28 Dec 13
Gonzales, CA 22 mi Jan 29 Dec 10
Capitola, CA 25 mi Jan 29 Dec 13
Santa Cruz, CA 27 mi Jan 29 Dec 13
Hollister, CA 28 mi Feb 19 Dec 1
Gilroy, CA 29 mi Feb 24 Nov 27

Frequently asked questions

When is the last frost in Seaside?

On average, the last spring frost (32°F) in Seaside is around January 2. In about 1 year in 10 it comes after January 20, and in 9 years in 10 it comes after December 6.

When is the first frost in Seaside?

The first fall frost (32°F) usually arrives around December 23. There’s a 10% chance of a freeze by December 1 and a 90% chance by January 12.

Can it frost in Seaside after the last frost date?

Yes. Frost can form on clear, calm nights even when the air stays above 32°F. Temperatures of 36°F or lower, cold enough for frost on exposed plants, have a 50% chance of occurring after January 27.

What growing zone is Seaside?

Seaside is in USDA Plant Hardiness Zone 10a (average annual extreme minimum temperature 30 to 35°F), based on the 2023 USDA map for ZIP code 93955. See growing zones in California.

More: all California frost dates · California growing zones · UV index today in Seaside · frost vs. freeze