East Grand Rapids, Michigan climate: Normal weather by month, frost dates and records
East Grand Rapids's normal year runs from 17°F January nights to 82°F July afternoons, with 39.6 inches of precipitation and 75 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 8.9°C, January lows of −8°C, July highs of 28°C, 1,006 mm of precipitation a year.
- NOAA stationEast Grand Rapids
- Station IDUSC00202375
- Location42.94°N 85.61°W
- Elevation746 ft (227 m)
- From the centerunder 1 mile
- Population11,616
On October 14, the normal high in East Grand Rapids is 62°F and the normal low 41°F, and the chance of measurable rain or snow is 46%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for East Grand Rapids.
- Jan 31° 17°
- Feb 34° 18°
- Mar 44° 24°
- Apr 57° 35°
- May 69° 46°
- Jun 79° 56°
- Jul 82° 60°
- Aug 81° 58°
- Sep 74° 51°
- Oct 61° 40°
- Nov 47° 31°
- Dec 36° 23°
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 East Grand Rapids each month?
July is the warmest month, with normal highs of 82°F; January the coldest, with normal lows of 17°F. The most precipitation falls in May (4.40 in), the least in February (2.11 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 31°F | 17°F | 23.8°F | 2.72 | 21.7 | 18 | <1 | 28 | 9 h 20 min |
| February | 34°F | 18°F | 25.8°F | 2.11 | 22.3 | 14 | <1 | 26 | 10 h 30 min |
| March | 44°F | 24°F | 34.3°F | 2.60 | 5.3 | 10 | <1 | 24 | 11 h 50 min |
| April | 57°F | 35°F | 46.0°F | 4.10 | 2.6 | 14 | <1 | 14 | 13 h 20 min |
| May | 69°F | 46°F | 57.6°F | 4.40 | 0.0 | 14 | 1 | 2 | 14 h 40 min |
| June | 79°F | 56°F | 67.4°F | 4.03 | 0.0 | 11 | 1 | <1 | 15 h 20 min |
| July | 82°F | 60°F | 71.2°F | 3.31 | 0.0 | 9 | 4 | <1 | 15 h |
| August | 81°F | 58°F | 69.4°F | 3.05 | 0.0 | 10 | 2 | <1 | 14 h |
| September | 74°F | 51°F | 62.1°F | 3.52 | 0.0 | 10 | 1 | <1 | 12 h 30 min |
| October | 61°F | 40°F | 50.4°F | 3.70 | 0.0 | 15 | <1 | 5 | 11 h 10 min |
| November | 47°F | 31°F | 38.7°F | 3.30 | 6.0 | 12 | <1 | 18 | 9 h 50 min |
| December | 36°F | 23°F | 29.4°F | 2.76 | 17.0 | 16 | <1 | 26 | 9 h |
| Year (annual) | 58°F | 38°F | 48.0°F | 39.60 | 74.9 | 152 | 9 | 143 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | −1°C | −8°C | −4.6°C | 69 mm | 55 cm |
| February | 1°C | −8°C | −3.4°C | 54 mm | 57 cm |
| March | 7°C | −4°C | 1.3°C | 66 mm | 13 cm |
| April | 14°C | 2°C | 7.8°C | 104 mm | 7 cm |
| May | 21°C | 8°C | 14.2°C | 112 mm | 0 cm |
| June | 26°C | 13°C | 19.7°C | 102 mm | 0 cm |
| July | 28°C | 16°C | 21.8°C | 84 mm | 0 cm |
| August | 27°C | 15°C | 20.8°C | 77 mm | 0 cm |
| September | 23°C | 10°C | 16.7°C | 89 mm | 0 cm |
| October | 16°C | 4°C | 10.2°C | 94 mm | 0 cm |
| November | 8°C | −1°C | 3.7°C | 84 mm | 15 cm |
| December | 2°C | −5°C | −1.4°C | 70 mm | 43 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00202375; 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 East Grand Rapids?
Normal highs sit between 65°F and 85°F in May, June, July, August and September. Of those, July 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 USC00202375.
When is the last frost in East Grand Rapids?
In East Grand Rapids, the last spring frost (32°F) comes after May 6 in half of years and after May 23 in one year in ten; the first autumn frost comes before October 10 in half of years and before September 29 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 61 year in 10 after May 23; 9 in 10 after April 24
- First autumn frost, half of years before
- October 101 year in 10 before September 29; 9 in 10 before October 25
NOAA puts the median frost-free season at 157 days, and the season without a hard freeze (28°F) at 178 days.
A hard freeze (28°F) comes after April 27 in half of springs and before October 23 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts East Grand Rapids in zone 6a in ZIP code 49506.
Frost dates for every NOAA station in Michigan · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00202375; 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 East Grand Rapids?
In a normal year in East Grand Rapids, 9 days a year reach 90°F, 143 nights fall to 32°F or colder and 152 days bring measurable precipitation.
- Days at 90°F or more
- 9a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 143a normal year
- Days that stay below freezing
- 45high of 32°F or less
- Days with 0.01 inch of precipitation
- 152a normal year
- Days with 1 inch of snow or more
- 25a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00202375.
How sunny is East Grand Rapids?
Over a year 70% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around East Grand Rapids, 3.8 kWh per square metre a day. July is the sunniest month (81%) and December the cloudiest (50%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 52% | 1.4 |
| February | 57% | 2.2 |
| March | 65% | 3.5 |
| April | 68% | 4.7 |
| May | 71% | 5.5 |
| June | 77% | 6.3 |
| July | 81% | 6.3 |
| August | 79% | 5.4 |
| September | 77% | 4.3 |
| October | 65% | 2.7 |
| November | 60% | 1.7 |
| December | 50% | 1.1 |
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 East Grand Rapids need?
A normal year in East Grand Rapids brings 6,712 heating degree days, 25% more than the median U.S. place (5,373), and 547 cooling degree days, 40% 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 2,590 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 1,278 | 0 |
| February | 1,097 | 0 |
| March | 953 | 0 |
| April | 574 | 3 |
| May | 251 | 20 |
| June | 43 | 114 |
| July | 7 | 199 |
| August | 20 | 156 |
| September | 137 | 50 |
| October | 458 | 5 |
| November | 789 | 0 |
| December | 1,105 | 0 |
| Year (annual) | 6,712 | 547 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00202375. 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 East Grand Rapids been warmer than normal lately?
2025 averaged 48.5°F, 0.5°F above the 1991-2020 normal of 48.0°F. 4 of the 5 complete years since 2021 ran warmer than the normal.
| Year | Mean | Against normal | Precip. | Snow |
|---|---|---|---|---|
| 2021 | 49.6°F | +1.6°F | 38.78 | 58.9 |
| 2022 | 47.7°F | −0.3°F | 39.06 | 123.5 |
| 2023 | 49.8°F | +1.8°F | 43.19 | 51.4 |
| 2024 | 51.1°F | +3.1°F | 36.38 | 73.6 |
| 2025 | 48.5°F | +0.5°F | 33.58 | 70.6 |
Source: observed years: ACIS, station USC00202375. A year counts only with all twelve months complete.
How does East Grand Rapids's climate compare?
East Grand Rapids is warmer than 98 of the other 139 places with their own NOAA record in Michigan, and wetter than 118. Across the 7,247 U.S. stations with normals, its annual mean of 48.0°F is warmer than 32%.
In the Köppen classification computed from these normals, East Grand Rapids 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 East Grand Rapids share this climate record?
10 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.
- Wyoming, MIalso near: Kentwood (8 mi, 48.3°F a year); Grand Rapids (8 mi, 49.3°F a year)78,559 people · 6 mi SW
- Walker, MI25,921 people · 8 mi NW
- Cutlerville, MI19,465 people · 7 mi SW
- Jenison, MI17,334 people · 11 mi W
- Grandville, MI17,094 people · 8 mi W
- Northview, MI15,225 people · 7 mi N
- Comstock Park, MI10,306 people · 8 mi NW
- Hudsonville, MI7,985 people · 14 mi W
- Byron Center, MI6,817 people · 11 mi SW
- Cannonsburg, MI168 people · 11 mi NE
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 East Grand Rapids's climate
What is the coldest month in East Grand Rapids?
January, with a normal high of 31°F and a normal low of 17°F. The warmest is July (82°F by day, 60°F at night).
Does it snow in East Grand Rapids?
Yes: 75 inches in a normal year, falling on 50 days with 0.1 inch or more, the most in February (22.3 inches).
What is the rainiest month in East Grand Rapids?
May, with 4.40 in of precipitation in a normal year; the driest is February with 2.11 in.
What plant hardiness zone is East Grand Rapids in?
The USDA's 2023 map puts East Grand Rapids in zone 6a in ZIP code 49506.
How late can frost come in East Grand Rapids?
In half of years the last 32°F night comes after May 6; in one year in ten it comes after May 23. Waiting until May 23 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Michigan climateThe statewide normals and every place in the state
- Grand Rapids, MI4 miles from this station, 49.3°F a year
- Kentwood, MI4 miles from this station, 48.3°F a year
- Kent City, MI20 miles from this station, 47.1°F a year
- Greenville, MI26 miles from this station, 46.9°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made