When does it first snow in Milwaukee, WI?
First snowfall dates at Milwaukee
| 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 15 | Oct 29 – Dec 6 | Oct 7 (2000-01) | Dec 19 (2001-02) | 100% |
| 1" of snow or more | Dec 2 | Nov 10 – Dec 30 | Oct 31 (2019-20) | Jan 15 (2001-02) | 100% |
| 3" of snow or more | Dec 22 | Nov 20 – Jan 15 | Oct 31 (2019-20) | Feb 11 (2002-03) | 100% |
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) | 20% | 80% | 100% |
| 1"+ | 7% | 43% | 90% |
In spring, the last measurable snowfall of the season typically falls around Apr 12 (median).
White Christmas odds in Milwaukee
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, Milwaukee had that in 47% of years, at least 3 inches in 17%, and at least 6 inches in 13%. The average depth on Dec 25 was 2.4 inches and the deepest was 25 inches. New snow was falling (0.1" or more) on Christmas Day itself in 20% of years. Based on 30 years with a recorded depth on Dec 25.
Share of the last 30 years with 1"+ snow depth within 3 days of each date. Snow cover is most likely around Jan 24 (72%). Red line: Dec 25.
First and last freeze dates in Milwaukee
| Threshold | Event | Median date | Typical range (10th–90th pct) | Earliest / latest | Years with one |
|---|---|---|---|---|---|
| 32°F or colder (freeze) | First in fall | Oct 28 | Oct 6 – Nov 10 | Sep 23 (1995) / Nov 20 (2024) | 100% |
| 32°F or colder (freeze) | Last in spring | Apr 23 | Apr 10 – May 5 | – | 100% |
| 28°F or colder (hard freeze) | First in fall | Nov 9 | Oct 31 – Nov 21 | Oct 22 (1997) / Dec 3 (2009) | 100% |
| 28°F or colder (hard freeze) | Last in spring | Apr 3 | Mar 24 – Apr 18 | – | 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 184 days.
Nearby weather stations
Source station: Milwaukee Mitchell Ap (USW00014839), elevation 667 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 Wisconsin (on our sister site PlugVsPump, from EIA prices).