Grand Haven, Michigan climate: Normal weather by month, frost dates and records
Grand Haven's normal year runs from 19°F January nights to 80°F July afternoons, with 37.6 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 9.1°C, January lows of −7°C, July highs of 27°C, 956 mm of precipitation a year.
- NOAA stationGrand Haven Wastewater Treatment Plant
- Station IDUSC00203295
- Location43.06°N 86.20°W
- Elevation605 ft (184 m)
- From the centerunder 1 mile
- Population11,045
On October 14, the normal high in Grand Haven is 61°F and the normal low 43°F.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Grand Haven.
- Jan 32° 19°
- Feb 33° 20°
- Mar 42° 26°
- Apr 55° 36°
- May 67° 47°
- Jun 76° 57°
- Jul 80° 62°
- Aug 79° 60°
- Sep 73° 53°
- Oct 60° 43°
- Nov 47° 33°
- Dec 37° 25°
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 Grand Haven each month?
July is the warmest month, with normal highs of 80°F; January the coldest, with normal lows of 19°F. The most precipitation falls in May (3.81 in), the least in February (2.00 in).
Each month has its own page with the day-by-day normals, the month's records and its recent years:
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 32°F | 19°F | 25.5°F | 2.84 | – | <1 | 30 | 9 h 20 min |
| February | 33°F | 20°F | 26.4°F | 2.00 | – | <1 | 27 | 10 h 30 min |
| March | 42°F | 26°F | 34.0°F | 2.27 | – | <1 | 24 | 11 h 50 min |
| April | 55°F | 36°F | 45.3°F | 3.71 | – | <1 | 8 | 13 h 20 min |
| May | 67°F | 47°F | 57.0°F | 3.81 | – | <1 | 1 | 14 h 40 min |
| June | 76°F | 57°F | 66.7°F | 3.54 | – | 1 | <1 | 15 h 20 min |
| July | 80°F | 62°F | 71.0°F | 3.62 | – | 1 | <1 | 15 h |
| August | 79°F | 60°F | 69.4°F | 3.13 | – | <1 | <1 | 14 h |
| September | 73°F | 53°F | 62.7°F | 3.45 | – | <1 | <1 | 12 h 30 min |
| October | 60°F | 43°F | 51.3°F | 3.75 | – | <1 | 3 | 11 h 10 min |
| November | 47°F | 33°F | 39.8°F | 3.08 | – | <1 | 16 | 9 h 50 min |
| December | 37°F | 25°F | 30.9°F | 2.44 | – | <1 | 25 | 9 h |
| Year (annual) | 57°F | 40°F | 48.3°F | 37.64 | – | 3 | 134 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 0°C | −7°C | −3.6°C | 72 mm |
| February | 1°C | −7°C | −3.1°C | 51 mm |
| March | 6°C | −4°C | 1.1°C | 58 mm |
| April | 13°C | 2°C | 7.4°C | 94 mm |
| May | 19°C | 8°C | 13.9°C | 97 mm |
| June | 25°C | 14°C | 19.3°C | 90 mm |
| July | 27°C | 17°C | 21.7°C | 92 mm |
| August | 26°C | 15°C | 20.8°C | 80 mm |
| September | 23°C | 11°C | 17.1°C | 88 mm |
| October | 16°C | 6°C | 10.7°C | 95 mm |
| November | 8°C | 0°C | 4.3°C | 78 mm |
| December | 3°C | −4°C | −0.6°C | 62 mm |
NOAA publishes no 1991-2020 snowfall normal for this station. The nearest record that keeps one, Muskegon (8 miles away), gets 87 inches of snow in a normal year; elevation and distance can change that.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00203295; 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 Grand Haven?
Normal highs sit between 65°F and 85°F in May, June, July, August and September.
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 USC00203295.
When is the last frost in Grand Haven?
In Grand Haven, the last spring frost (32°F) comes after April 30 in half of years and after May 16 in one year in ten; the first autumn frost comes before October 24 in half of years and before October 5 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
- April 301 year in 10 after May 16; 9 in 10 after April 17
- First autumn frost, half of years before
- October 241 year in 10 before October 5; 9 in 10 before November 6
NOAA puts the median frost-free season at 175 days, and the season without a hard freeze (28°F) at 200 days.
A hard freeze (28°F) comes after April 18 in half of springs and before November 5 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Grand Haven in zone 6b in ZIP code 49417.
Frost dates for every NOAA station in Michigan · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00203295; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. 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 Grand Haven?
In a normal year in Grand Haven, 3 days a year reach 90°F and 134 nights fall to 32°F or colder.
- Days at 90°F or more
- 3a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 134a normal year
- Days that stay below freezing
- 52high of 32°F or less
Source: NOAA NCEI 1991-2020 annual normals, station USC00203295.
How sunny is Grand Haven?
Over a year 70% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Grand Haven, 3.7 kWh per square metre a day. July is the sunniest month (81%) and December the cloudiest (46%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 47% | 1.2 |
| February | 55% | 2.1 |
| March | 66% | 3.5 |
| April | 69% | 4.7 |
| May | 72% | 5.6 |
| June | 76% | 6.2 |
| July | 81% | 6.3 |
| August | 80% | 5.4 |
| September | 77% | 4.2 |
| October | 65% | 2.6 |
| November | 57% | 1.6 |
| December | 46% | 1.0 |
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 Grand Haven need?
A normal year in Grand Haven brings 6,586 heating degree days, 23% more than the median U.S. place (5,373), and 534 cooling degree days, 41% 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 2,562 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,224 | 0 |
| February | 1,082 | 0 |
| March | 964 | 2 |
| April | 593 | 0 |
| May | 272 | 23 |
| June | 49 | 98 |
| July | 14 | 199 |
| August | 20 | 155 |
| September | 122 | 53 |
| October | 430 | 4 |
| November | 757 | 0 |
| December | 1,059 | 0 |
| Year (annual) | 6,586 | 534 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00203295. 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.
How does Grand Haven's climate compare?
Grand Haven is warmer than 106 of the other 139 places with their own NOAA record in Michigan, and wetter than 106. Across the 7,247 U.S. stations with normals, its annual mean of 48.3°F is warmer than 33%.
In the Köppen classification computed from these normals, Grand Haven 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 Grand Haven share this climate record?
5 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.
- Allendale, MI25,741 people · 14 mi SE
- Ferrysburg, MI2,963 people · 2 mi NW
- Spring Lake, MI2,510 people · 1 mi NE
- Fruitport, MI1,165 people · 5 mi NE
- Nunica, MI158 people · 7 mi E
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 Grand Haven's climate
What is the coldest month in Grand Haven?
January, with a normal high of 32°F and a normal low of 19°F. The warmest is July (80°F by day, 62°F at night).
Does it snow in Grand Haven?
Yes. NOAA publishes no 1991-2020 snowfall normal for Grand Haven's NOAA station; the nearest record that keeps one, Muskegon (8 miles away), records 87 inches of snow in a normal year.
What is the rainiest month in Grand Haven?
May, with 3.81 in of precipitation in a normal year; the driest is February with 2.00 in.
What plant hardiness zone is Grand Haven in?
The USDA's 2023 map puts Grand Haven in zone 6b in ZIP code 49417.
How late can frost come in Grand Haven?
In half of years the last 32°F night comes after April 30; in one year in ten it comes after May 16. Waiting until May 16 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Grand Haven in OctoberThis month day by day, its records and recent years
- Michigan climateThe statewide normals and every place in the state
- Muskegon, MI8 miles from this station, 49.4°F a year
- Holland, MI22 miles from this station, 49.3°F a year
- Kent City, MI24 miles from this station, 47.1°F a year
- Fremont, MI28 miles from this station, 46.2°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made