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When does it first snow in Eureka, CA?

At Eureka, the typical date of the first measurable snowfall (0.1 inch or more in a day) is Feb 22. That is the median over the last 30 snow seasons: half of seasons saw it earlier, half later. In about 1 season in 10 it came by Jan 29, and in 1 in 10 not until Apr 1 or later. The earliest was Jan 21 (2001-02) and the latest Apr 2 (2002-03). The first freeze of fall (a low of 32°F or colder) typically comes around Dec 1, and the last freeze of spring around Feb 26.

This fall so far (data through Oct 16, 2026): no 32°F freeze recorded yet at this station. Observed data, can lag a day or two.

Feb 22Median first measurable snow (0.1"+)

–Median first 1"+ snowfall

0.1"Average snowfall per season

0%Chance of white Christmas (1"+ on ground Dec 25)

Dec 1Median first fall freeze (≤32°F)

Feb 26Median last spring freeze (≤32°F)

281Median freeze-free days between

First snowfall dates at Eureka

First day with…	Median date	Typical range (10th–90th pct)	Earliest in 30 seasons	Latest in 30 seasons	Seasons with one
0.1" of snow or more (measurable)	Feb 22	Jan 29 – Apr 1	Jan 21 (2001-02)	Apr 2 (2002-03)	17%
1" of snow or more	none recorded				0%
3" of snow or more	none recorded				0%

Based on 30 seasons (July–June, 1995-96 to 2024-25) with at least 85% complete daily snowfall records at the station. Dates are for a single day’s snowfall, so "1 inch" means one calendar day with 1" or more, not total accumulation.

Chance the first snow has already happened by a given date

Snowfall	By Nov 1	By Dec 1	By Jan 1
0.1"+ (measurable)	0%	0%	0%
1"+	0%	0%	0%

In spring, the last measurable snowfall of the season typically falls around Feb 23 (median).

White Christmas odds in Eureka

NOAA defines a white Christmas as at least 1 inch of snow on the ground on the morning of December 25. Using the last 30 years of daily snow-depth records (1995–2024) at this station, Eureka had that in 0% of years, at least 3 inches in 0%, and at least 6 inches in 0%. The average depth on Dec 25 was 0.0 inches and the deepest was 0 inches. New snow was falling (0.1" or more) on Christmas Day itself in 0% of years. Based on 30 years with a recorded depth on Dec 25.

Snow cover of 1 inch or more on the ground is rare at this station in any week of the winter.

First and last freeze dates in Eureka

Threshold	Event	Median date	Typical range (10th–90th pct)	Earliest / latest	Years with one
32°F or colder (freeze)	First in fall	Dec 1	Nov 22 – Dec 18	Nov 9 (2020) / Dec 30 (2014)	80%
32°F or colder (freeze)	Last in spring	Feb 26	Jan 12 – Apr 1	–	90%

Based on the station’s daily minimum temperature, 1995–2024. “Freeze” here means a daily low at or below the threshold, which is not the same as visible frost. Your yard can differ by several degrees and days from an airport weather station, so use these as planning odds, not guarantees.

The median stretch between the last spring freeze and the first fall freeze (the freeze-free season) was about 281 days.

Nearby weather stations

Source station: Eureka Wfo Woodley Is (USW00024213), elevation 20 ft. Data: NOAA NCEI GHCN-Daily. Computed by First Snow Dates; how we calculate this. Historical averages only; for a forecast see weather.gov.

Planning for winter? Heat pump vs gas furnace, propane and oil: heating cost in California (on our sister site PlugVsPump, from EIA prices).