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When does it first snow in Charleston (South Carolina), SC?

At Charleston (South Carolina), the typical date of the first measurable snowfall (0.1 inch or more in a day) is Jan 21. 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 Dec 29, and in 1 in 10 not until Feb 5 or later. The earliest was Dec 26 (2010-11) and the latest Feb 12 (2009-10). A first snowfall of at least 1 inch in a single day typically arrives around Jan 23, and 13% of seasons had one. The first freeze of fall (a low of 32°F or colder) typically comes around Nov 28, and the last freeze of spring around Mar 7.

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.

Jan 21Median first measurable snow (0.1"+)

Jan 23Median first 1"+ snowfall

0.4"Average snowfall per season

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

Nov 28Median first fall freeze (≤32°F)

Mar 7Median last spring freeze (≤32°F)

272Median freeze-free days between

First snowfall dates at Charleston (South Carolina)

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)	Jan 21	Dec 29 – Feb 5	Dec 26 (2010-11)	Feb 12 (2009-10)	17%
1" of snow or more	Jan 23	Jan 9 – Feb 7	Jan 3 (2017-18)	Feb 12 (2009-10)	13%
3" of snow or more	Jan 23	Jan 7 – Feb 8	Jan 3 (2017-18)	Feb 12 (2009-10)	7%

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%	3%
1"+	0%	0%	0%

In spring, the last measurable snowfall of the season typically falls around Jan 22 (median).

White Christmas odds in Charleston (South Carolina)

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, Charleston (South Carolina) 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.

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 23 (3%). Red line: Dec 25.

First and last freeze dates in Charleston (South Carolina)

Threshold	Event	Median date	Typical range (10th–90th pct)	Earliest / latest	Years with one
32°F or colder (freeze)	First in fall	Nov 28	Nov 14 – Dec 18	Nov 11 (1996) / Dec 23 (2022)	100%
32°F or colder (freeze)	Last in spring	Mar 7	Feb 12 – Mar 26	–	100%
28°F or colder (hard freeze)	First in fall	Dec 10	Nov 22 – Dec 27	Nov 19 (2014) / Dec 31 (2012)	70%
28°F or colder (hard freeze)	Last in spring	Feb 13	Jan 24 – Mar 13	–	97%

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 272 days.

Nearby weather stations

Source station: Charleston Intl Ap (USW00013880), elevation 39 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 Carolina (on our sister site PlugVsPump, from EIA prices).