Bay Port has chilly, snowy winters and pleasant summers
A typical July afternoon reaches 80°, a January night drops to 17°, and about 43 inches of snow falls in a normal winter.
A year in Bay Port at a glance
Each month’s typical high and low, and what it brings.
What stands out about Bay Port’s climate
Read from where Bay Port sits among Michigan’s towns. The page puts what stands out first.
43 inches of snow, 31 of rain and melt
July is the wettest month and February the driest. Rain or snow falls on about 138 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
What a year in Bay Port feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 163 frost-free days a year
In half of years the last 32° night comes by May 5 and the first by October 19.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Bay Port’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
163 frost-free days. The last frost comes by May 5 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 19.
About 43" a winter over 15 days with an inch or more, most in January.
Months averaging under 55° run from October through April. Heating is 94% of the year’s heating-and-cooling load.
About 6 days a year reach 90°, and July afternoons average 80°.
The nicest months are May, June, July, August and September. 0.7 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Bay Port and its neighbors
Fairhaven has the coldest January nights next door (17°) and Fairhaven the hottest July afternoons (80°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Bay Port averaged 1.7° warmer than the 1900s. The biggest change is in December (+2.9°).
A bigger shift than in 79% of U.S. towns.
Change by month
How Bay Port compares
Against every U.S. town on TownTapestry, each counted once, with its place in Michigan.
Bay Port weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 30° | 17° | 1.8" | 14.4" | 14 | 12° – 33° |
| February | 32° | 17° | 1.5" | 9.3" | 10 | 10° – 33° |
| March | 40° | 25° | 1.7" | 5.0" | 10 | 22° – 46° |
| April | 53° | 35° | 3.1" | 1.6" | 12 | 36° – 49° |
| May | 65° | 45° | 3.3" | 0 | 12 | 47° – 60° |
| June | 75° | 55° | 3.3" | 0 | 10 | 60° – 70° |
| July | 80° | 60° | 3.3" | 0 | 9 | 64° – 75° |
| August | 78° | 60° | 3.3" | 0 | 11 | 64° – 73° |
| September | 72° | 52° | 3.0" | 0 | 10 | 56° – 66° |
| October | 59° | 42° | 2.9" | 0.1" | 12 | 46° – 58° |
| November | 46° | 32° | 2.3" | 3.1" | 13 | 32° – 45° |
| December | 35° | 23° | 1.9" | 9.0" | 13 | 19° – 38° |
| Year | 55° | 39° | 31.3" | 42.5" | 138 |
Heating and cooling a home in Bay Port
94% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 10° to 33°. June is the most reliable, staying within 10°.
Common questions about Bay Port’s climate
What is the coldest month in Bay Port?
January, with a typical high of 30° and a low of 17°.
What is the hottest month in Bay Port?
July, with a typical high of 80° and a low of 60°. About 6 days a year reach 90°.
How much snow does Bay Port get?
About 43 inches in a normal winter, most of it in January.
When is the first frost in Bay Port?
In half of years the first 32° night comes by October 19, and the last spring frost by May 5.
What is the rainiest month in Bay Port?
July, with 3.3 inches of rain and melted snow. The year totals 31 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Bay Port.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Bay Port itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Cass City 1 Ssw, MI (20 mi, snow) and Bad Axe, MI (19 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.