Boyne Falls, Michigan climate: Normal weather by month, frost dates and records
Boyne Falls's normal year runs from 14°F January nights to 84°F July afternoons, with 36.2 inches of precipitation and 112 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 8.1°C, January lows of −10°C, July highs of 29°C, 920 mm of precipitation a year.
- NOAA stationBoyne Falls
- Station IDUSC00200925
- Location45.17°N 84.91°W
- Elevation728 ft (222 m)
- Population375
On October 22, the normal high in Boyne Falls is 56°F and the normal low 38°F, and the chance of measurable rain or snow is 49%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Boyne Falls.
- Jan 28° 14°
- Feb 32° 13°
- Mar 42° 21°
- Apr 56° 32°
- May 70° 43°
- Jun 80° 53°
- Jul 84° 58°
- Aug 82° 57°
- Sep 74° 50°
- Oct 59° 40°
- Nov 45° 30°
- Dec 33° 22°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Boyne Falls each month?
July is the warmest month, with normal highs of 84°F; January the coldest, with normal lows of 14°F. The most precipitation falls in October (4.44 in), the least in February (1.67 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 28°F | 14°F | 21.2°F | 2.65 | 32.0 | 17 | <1 | 30 | 9 h 10 min |
| February | 32°F | 13°F | 22.5°F | 1.67 | 20.4 | 12 | <1 | 26 | 10 h 20 min |
| March | 42°F | 21°F | 31.5°F | 1.89 | 11.2 | 10 | <1 | 26 | 11 h 50 min |
| April | 56°F | 32°F | 43.6°F | 3.06 | 4.7 | 11 | <1 | 17 | 13 h 30 min |
| May | 70°F | 43°F | 56.7°F | 3.19 | 0.1 | 11 | 1 | 6 | 14 h 50 min |
| June | 80°F | 53°F | 66.5°F | 3.16 | 0.0 | 9 | 4 | <1 | 15 h 40 min |
| July | 84°F | 58°F | 70.8°F | 2.86 | 0.0 | 10 | 6 | <1 | 15 h 20 min |
| August | 82°F | 57°F | 69.4°F | 3.46 | 0.0 | 9 | 4 | <1 | 14 h 10 min |
| September | 74°F | 50°F | 62.1°F | 3.85 | 0.0 | 11 | 1 | 1 | 12 h 40 min |
| October | 59°F | 40°F | 49.6°F | 4.44 | 0.7 | 15 | <1 | 8 | 11 h |
| November | 45°F | 30°F | 37.5°F | 3.31 | 11.4 | 14 | <1 | 19 | 9 h 40 min |
| December | 33°F | 22°F | 27.4°F | 2.68 | 31.2 | 16 | <1 | 28 | 8 h 50 min |
| Year (annual) | 57°F | 36°F | 46.6°F | 36.22 | 111.7 | 147 | 16 | 160 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | −2°C | −10°C | −6.0°C | 67 mm | 81 cm |
| February | 0°C | −10°C | −5.3°C | 42 mm | 52 cm |
| March | 6°C | −6°C | −0.3°C | 48 mm | 28 cm |
| April | 13°C | 0°C | 6.4°C | 78 mm | 12 cm |
| May | 21°C | 6°C | 13.7°C | 81 mm | 0 cm |
| June | 27°C | 12°C | 19.2°C | 80 mm | 0 cm |
| July | 29°C | 15°C | 21.6°C | 73 mm | 0 cm |
| August | 28°C | 14°C | 20.8°C | 88 mm | 0 cm |
| September | 23°C | 10°C | 16.7°C | 98 mm | 0 cm |
| October | 15°C | 4°C | 9.8°C | 113 mm | 2 cm |
| November | 7°C | −1°C | 3.1°C | 84 mm | 29 cm |
| December | 1°C | −6°C | −2.6°C | 68 mm | 79 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00200925; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Boyne Falls?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, August has the fewest days with rain (9).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00200925.
When is the last frost in Boyne Falls?
In Boyne Falls, the last spring frost (32°F) comes after May 23 in half of years and after June 6 in one year in ten; the first autumn frost comes before October 3 in half of years and before September 16 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- May 231 year in 10 after June 6; 9 in 10 after May 4
- First autumn frost, half of years before
- October 31 year in 10 before September 16; 9 in 10 before October 19
NOAA puts the median frost-free season at 133 days, and the season without a hard freeze (28°F) at 160 days.
A hard freeze (28°F) comes after May 10 in half of springs and before October 16 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Boyne Falls in zone 5a in ZIP code 49713, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Boyne Falls's NOAA station is in zone 5a: the coldest night of a typical year reaches −18°F (30 complete years).
Frost dates for every NOAA station in Michigan · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00200925; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Boyne Falls?
In a normal year in Boyne Falls, 16 days a year reach 90°F, 160 nights fall to 32°F or colder and 147 days bring measurable precipitation.
- Days at 90°F or more
- 16a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 160a normal year
- Days that stay below freezing
- 62high of 32°F or less
- Days with 0.01 inch of precipitation
- 147a normal year
- Days with 1 inch of snow or more
- 41a normal year
The highest temperature in this station's record (since 1961) is 102°F, on June 30, 2018; the lowest is −35°F, on February 17, 1979.
The wettest calendar year on that record is 2013, with 48.69 in; the snowiest season is 1970–71, with 181.8 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00200925; records: ACIS (NOAA Regional Climate Centers), station USC00200925. Records use complete months only; a month missing more than three days is left out.
How sunny is Boyne Falls?
Over a year 69% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Boyne Falls, 3.5 kWh per square metre a day. July is the sunniest month (79%) and December the cloudiest (48%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 51% | 1.2 |
| February | 58% | 2.0 |
| March | 67% | 3.4 |
| April | 68% | 4.6 |
| May | 71% | 5.5 |
| June | 74% | 6.1 |
| July | 79% | 6.1 |
| August | 78% | 5.2 |
| September | 74% | 3.9 |
| October | 61% | 2.3 |
| November | 53% | 1.3 |
| December | 48% | 0.9 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Boyne Falls need?
A normal year in Boyne Falls brings 7,284 heating degree days, 36% more than the median U.S. place (5,373), and 603 cooling degree days, 34% fewer than the median (908). Seven months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,556 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,356 | 0 |
| February | 1,191 | 0 |
| March | 1,040 | 1 |
| April | 643 | 3 |
| May | 297 | 38 |
| June | 72 | 117 |
| July | 21 | 201 |
| August | 30 | 165 |
| September | 156 | 69 |
| October | 487 | 9 |
| November | 827 | 0 |
| December | 1,164 | 0 |
| Year (annual) | 7,284 | 603 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00200925. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Has Boyne Falls been warmer than normal lately?
2025 averaged 47.4°F, 0.8°F above the 1991-2020 normal of 46.6°F. 5 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 48.8°F | +2.2°F | 29.99 | 60.0 |
| 2022 | 46.8°F | +0.1°F | 33.18 | 104.5 |
| 2023 | 48.9°F | +2.3°F | 35.64 | 69.0 |
| 2024 | 50.4°F | +3.8°F | 38.28 | 98.5 |
| 2025 | 47.4°F | +0.8°F | 39.80 | 124.5 |
Over 59 complete years from 1962 to 2025, the station's annual mean temperature rose at a fitted 5.6°F per century (+0.31°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00200925; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Boyne Falls's climate compare?
Boyne Falls is warmer than 67 of the other 139 places with their own NOAA record in Michigan, and wetter than 99. Across the 7,247 U.S. stations with normals, its annual mean of 46.6°F is warmer than 26%.
In the Köppen classification computed from these normals, Boyne Falls is Dfb: continental, no dry season, warm summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Boyne Falls share this climate record?
2 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Boyne City, MI3,821 people · 6 mi NW
- Alba, MI304 people · 13 mi S
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Boyne Falls's climate
What is the coldest month in Boyne Falls?
January, with a normal high of 28°F and a normal low of 14°F. The warmest is July (84°F by day, 58°F at night).
Does it snow in Boyne Falls?
Yes: 112 inches in a normal year, falling on 48 days with 0.1 inch or more, the most in January (32.0 inches).
What is the rainiest month in Boyne Falls?
October, with 4.44 in of precipitation in a normal year; the driest is February with 1.67 in.
What plant hardiness zone is Boyne Falls in?
The USDA's 2023 map puts Boyne Falls in zone 5a in ZIP code 49713, the nearest ZIP area. By the same method at Boyne Falls's NOAA station, the coldest night of a typical year reaches −18°F (30 years, 1991-2020): zone 5a.
How late can frost come in Boyne Falls?
In half of years the last 32°F night comes after May 23; in one year in ten it comes after June 6. Waiting until June 6 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Michigan climateThe statewide normals and every place in the state
- East Jordan, MI11 miles from this station, 46.3°F a year
- Petoskey, MI14 miles from this station, 44.4°F a year
- Gaylord, MI15 miles from this station, 42.7°F a year
- Charlevoix, MI20 miles from this station, 45.5°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made