When does it first snow in Alpena, MI?
First snowfall dates at Alpena
| 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 8 | Oct 18 – Nov 23 | Oct 7 (2001-02) | Nov 30 (2009-10) | 100% |
| 1" of snow or more | Nov 19 | Oct 31 – Dec 8 | Oct 7 (2001-02) | Dec 29 (2011-12) | 100% |
| 3" of snow or more | Dec 1 | Nov 9 – Jan 5 | Oct 31 (2019-20) | Jan 15 (2001-02) | 100% |
Based on 27 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) | 26% | 100% | 100% |
| 1"+ | 15% | 74% | 100% |
In spring, the last measurable snowfall of the season typically falls around Apr 12 (median).
White Christmas odds in Alpena
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, Alpena had that in 75% of years, at least 3 inches in 57%, and at least 6 inches in 32%. The average depth on Dec 25 was 4.7 inches and the deepest was 22 inches. New snow was falling (0.1" or more) on Christmas Day itself in 36% of years. Based on 28 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 Feb 5 (100%). Red line: Dec 25.
First and last freeze dates in Alpena
| Threshold | Event | Median date | Typical range (10th–90th pct) | Earliest / latest | Years with one |
|---|---|---|---|---|---|
| 32°F or colder (freeze) | First in fall | Oct 3 | Sep 19 – Oct 22 | Sep 10 (1995) / Oct 26 (2017) | 100% |
| 32°F or colder (freeze) | Last in spring | May 18 | May 8 – May 30 | – | 100% |
| 28°F or colder (hard freeze) | First in fall | Oct 18 | Oct 4 – Oct 29 | Sep 24 (1995) / Nov 4 (2012) | 100% |
| 28°F or colder (hard freeze) | Last in spring | May 3 | Apr 27 – May 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 138 days.
Nearby weather stations
- Alpena (Wastewater Plant), MI
- Pellston, MI
- Houghton Lake, MI
- Traverse City, MI
- Sault Ste. Marie, MI
- Saginaw, MI
Source station: Alpena Co Rgnl Ap (USW00094849), elevation 683 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 Michigan (on our sister site PlugVsPump, from EIA prices).