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When does it first snow in Huron, SD?

At Huron, the typical date of the first measurable snowfall (0.1 inch or more in a day) is Nov 6. 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 Oct 16, and in 1 in 10 not until Nov 26 or later. The earliest was Oct 1 (1999-00) and the latest Dec 5 (2004-05). A first snowfall of at least 1 inch in a single day typically arrives around Nov 10, and 100% of seasons had one. The first freeze of fall (a low of 32°F or colder) typically comes around Oct 4, and the last freeze of spring around May 9.

This season so far (2026-27, data through Oct 16, 2026): no measurable snow recorded yet; no 32°F freeze recorded yet at this station. Compare with the typical dates above. This is observed data and can lag by a day or two, and it is not a forecast.

Nov 6Median first measurable snow (0.1"+)

Nov 10Median first 1"+ snowfall

41.5"Average snowfall per season

63%Chance of white Christmas (1"+ on ground Dec 25)

Oct 4Median first fall freeze (≤32°F)

May 9Median last spring freeze (≤32°F)

154Median freeze-free days between

First snowfall dates at Huron

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)	Nov 6	Oct 16 – Nov 26	Oct 1 (1999-00)	Dec 5 (2004-05)	100%
1" of snow or more	Nov 10	Oct 19 – Dec 18	Oct 1 (1999-00)	Jan 11 (2004-05)	100%
3" of snow or more	Dec 1	Oct 23 – Dec 29	Oct 1 (1999-00)	Jan 20 (1997-98)	93%

Based on 29 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)	41%	97%	100%
1"+	28%	79%	97%

In spring, the last measurable snowfall of the season typically falls around Apr 10 (median).

White Christmas odds in Huron

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, Huron had that in 63% of years, at least 3 inches in 33%, and at least 6 inches in 17%. The average depth on Dec 25 was 3.0 inches and the deepest was 19 inches. New snow was falling (0.1" or more) on Christmas Day itself in 30% of years. Based on 30 years with a recorded depth on Dec 25.

Chance of at least 1 inch of snow on the ground, by date

Share of the last 30 years with 1"+ snow depth within 3 days of each date. Snow cover is most likely around Jan 4 (73%). Red line: Dec 25.

First and last freeze dates in Huron

Threshold	Event	Median date	Typical range (10th–90th pct)	Earliest / latest	Years with one
32°F or colder (freeze)	First in fall	Oct 4	Sep 22 – Oct 14	Sep 15 (2011) / Oct 17 (2010)	100%
32°F or colder (freeze)	Last in spring	May 9	Apr 22 – May 16	–	100%
28°F or colder (hard freeze)	First in fall	Oct 10	Sep 29 – Oct 24	Sep 22 (1995) / Oct 31 (2021)	100%
28°F or colder (hard freeze)	Last in spring	Apr 22	Apr 12 – May 15	–	100%

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 154 days.

Nearby weather stations

Source station: Huron Rgnl Ap (USW00014936), elevation 1,282 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 South Dakota (on our sister site PlugVsPump, from EIA prices).