Bois Blanc, MI climate
Bois Blanc has cold, snowy winters and pleasant summers. A typical July afternoon reaches 76°, a January night drops to 13°, and about 88 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Bois Blanc feels like
Winter
Spring
Summer
Fall
Bois Blanc 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 | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 26° | 13° | 1.8" | 24.2" | 16 | 29 | 7° – 28° |
| February | 28° | 12° | 1.2" | 18.1" | 12 | 27 | 5° – 30° |
| March | 37° | 20° | 1.7" | 11.6" | 10 | 21 | 18° – 40° |
| April | 49° | 30° | 2.7" | 4.9" | 12 | 4 | 32° – 46° |
| May | 62° | 41° | 2.9" | 0.1" | 12 | 0 | 45° – 57° |
| June | 71° | 51° | 3.0" | 0 | 11 | 0 | 58° – 67° |
| July | 76° | 57° | 3.1" | 0 | 11 | 0 | 60° – 71° |
| August | 75° | 57° | 3.2" | 0 | 10 | 0 | 62° – 70° |
| September | 69° | 50° | 3.5" | 0 | 13 | 0 | 54° – 64° |
| October | 55° | 40° | 4.1" | 0.5" | 16 | 0 | 43° – 54° |
| November | 43° | 31° | 2.6" | 6.2" | 15 | 6 | 30° – 43° |
| December | 32° | 21° | 2.2" | 22.0" | 15 | 20 | 18° – 36° |
| Year | 52° | 35° | 31.8" | 87.6" | 153 | 107 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Bois Blanc
Bois Blanc gets 32 inches of rain and melted snow a year. October is the wettest month and February the driest. Rain or snow falls on about 153 days a year. Snow covers the ground about 107 days of the year.
About 152 frost-free days a year
In half of years the last 32° night comes by May 11 and the first one by October 11. That leaves about 152 frost-free days for gardens, shorter than 79% of U.S. towns.
Heating and cooling a home in Bois Blanc
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Bois Blanc, 96% of that work is heating and 4% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Bois Blanc compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Bois Blanc averaged 1.7° warmer than the 1900s. The biggest change is in December (+3.3°). The shift is larger than in 84% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Bois Blanc’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 5° to 30°. August is the most reliable, staying within 8°.
Common questions about Bois Blanc’s climate
What is the coldest month in Bois Blanc?
February, with a typical high of 28° and a low of 12°.
What is the hottest month in Bois Blanc?
July, with a typical high of 76° and a low of 57°. About 3 days a year reach 90°.
How much snow does Bois Blanc get?
About 88 inches in a normal winter, most of it in January.
When is the first frost in Bois Blanc?
In half of years the first 32° night comes by October 11, and the last spring frost by May 11.
What is the rainiest month in Bois Blanc?
October, with 4.1 inches of rain and melted snow. The year totals 32 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Bois Blanc itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Cheboygan, MI (8 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.