Home › North Dakota › Grand Forks

When does it first snow in Grand Forks, ND?

At Grand Forks, the typical date of the first measurable snowfall (0.1 inch or more in a day) is Oct 27. 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 5, and in 1 in 10 not until Nov 22 or later. The earliest was Oct 1 (1996-97) and the latest Dec 14 (1999-00). 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 Sep 29, and the last freeze of spring around May 16.

This season so far (2026-27, data through Oct 16, 2026): no measurable snow recorded yet; first freeze (32°F or colder) Oct 2 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.

Oct 27Median first measurable snow (0.1"+)

Nov 10Median first 1"+ snowfall

47.2"Average snowfall per season

86%Chance of white Christmas (1"+ on ground Dec 25)

Sep 29Median first fall freeze (≤32°F)

May 16Median last spring freeze (≤32°F)

135Median freeze-free days between

First snowfall dates at Grand Forks

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)	Oct 27	Oct 5 – Nov 22	Oct 1 (1996-97)	Dec 14 (1999-00)	100%
1" of snow or more	Nov 10	Oct 12 – Dec 5	Oct 4 (2012-13)	Dec 28 (2011-12)	100%
3" of snow or more	Dec 2	Oct 26 – Feb 12	Oct 10 (2018-19)	Apr 14 (1999-00)	97%

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)	55%	97%	100%
1"+	31%	76%	100%

In spring, the last measurable snowfall of the season typically falls around Apr 14 (median).

White Christmas odds in Grand Forks

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, Grand Forks had that in 86% of years, at least 3 inches in 62%, and at least 6 inches in 31%. The average depth on Dec 25 was 5.2 inches and the deepest was 27 inches. New snow was falling (0.1" or more) on Christmas Day itself in 28% of years. Based on 29 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 22 (99%). Red line: Dec 25.

First and last freeze dates in Grand Forks

Threshold	Event	Median date	Typical range (10th–90th pct)	Earliest / latest	Years with one
32°F or colder (freeze)	First in fall	Sep 29	Sep 15 – Oct 11	Aug 20 (2004) / Oct 17 (2021)	100%
32°F or colder (freeze)	Last in spring	May 16	May 3 – May 28	–	100%
28°F or colder (hard freeze)	First in fall	Oct 8	Sep 28 – Oct 20	Sep 21 (1995) / Oct 23 (2019)	100%
28°F or colder (hard freeze)	Last in spring	May 3	Apr 18 – May 17	–	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 135 days.

Nearby weather stations

Source station: Grand Forks Intl Ap (USW00014916), elevation 838 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 North Dakota (on our sister site PlugVsPump, from EIA prices).