Grand Rapids, MI Climate & Monthly Averages
The climate of Grand Rapids
Weather in Grand Rapids is shaped by its humid continental climate - expect warm summers and cold, often snowy winters. July afternoons typically reach 82°F (28°C), while January highs hover near 32°F (0°C). Annual precipitation averages 40.2 inches (1020 mm) over about 135 rainy days.
Climate quick facts
- Hottest month: July - highs near 82°F (28°C)
- Coldest month: January - highs near 32°F (0°C)
- Record high: 95°F (35°C) · Record low: -18°F (-28°C) (2015–2024)
- Wettest month: June (12 rainy days) · Sunniest: July (12.3 h sun/day)
- Climate type: humid continental - warm summers and cold, often snowy winters
- Snow: about 27 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 82°F (28°C) and overnight lows stay near 64°F (18°C). The coolest month is January, with typical highs of 32°F (0°C) and lows around 20°F (-7°C). Based on 2015–2024 weather data, temperatures have reached as high as 95°F (35°C) and dropped as low as -18°F (-28°C).
Rain, sun and snow
June is usually the wettest month. It brings about 4.3 inches (109 mm) of rain over 12 days, while February is the driest. July brings the most sunshine, averaging 12.3 hours of sun a day. Snow falls on about 27 days in a typical year, mostly from November through April.
Monthly climate table
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 32° | 20° | 12 | 2.6 in | 3.7 h/day | 77% |
| February | 34° | 18° | 10 | 2.6 in | 6.1 h/day | 73% |
| March | 45° | 28° | 10 | 3.3 in | 7.7 h/day | 67% |
| April | 56° | 37° | 13 | 3.7 in | 8.7 h/day | 66% |
| May | 69° | 49° | 12 | 4.0 in | 10.2 h/day | 66% |
| June | 78° | 59° | 12 | 4.3 in | 12.0 h/day | 66% |
| July | 82° | 64° | 11 | 3.3 in | 12.3 h/day | 69% |
| August | 80° | 63° | 10 | 3.9 in | 11.4 h/day | 71% |
| September | 75° | 58° | 9 | 2.8 in | 9.5 h/day | 72% |
| October | 61° | 46° | 14 | 4.3 in | 6.8 h/day | 73% |
| November | 47° | 35° | 10 | 2.6 in | 5.1 h/day | 74% |
| December | 38° | 27° | 12 | 2.9 in | 3.4 h/day | 78% |
Grand Rapids month by month
Grand Rapids weather in January
January brings highs around 32°F (0°C), lows near 20°F (-7°C), about 12 wet days and roughly 8 snowy days - typically the coldest month of the year in Grand Rapids.
Grand Rapids weather in February
February brings highs around 34°F (1°C), lows near 18°F (-8°C), about 10 wet days and roughly 6 snowy days - typically the driest month of the year in Grand Rapids.
Grand Rapids weather in March
March brings highs around 45°F (7°C), lows near 28°F (-2°C), about 10 wet days and roughly 3 snowy days.
Grand Rapids weather in April
April brings highs around 56°F (13°C), lows near 37°F (3°C), about 13 wet days and roughly 2 snowy days.
Grand Rapids weather in May
May brings highs around 69°F (20°C), lows near 49°F (10°C), about 12 wet days.
Grand Rapids weather in June
June brings highs around 78°F (26°C), lows near 59°F (15°C), about 12 wet days - typically the wettest month of the year in Grand Rapids.
Grand Rapids weather in July
July brings highs around 82°F (28°C), lows near 64°F (18°C), about 11 wet days - typically the hottest month and the sunniest month of the year in Grand Rapids.
Grand Rapids weather in August
August brings highs around 80°F (27°C), lows near 63°F (17°C), about 10 wet days.
Grand Rapids weather in September
September brings highs around 75°F (24°C), lows near 58°F (14°C), about 9 wet days.
Grand Rapids weather in October
October brings highs around 61°F (16°C), lows near 46°F (8°C), about 14 wet days.
Grand Rapids weather in November
November brings highs around 47°F (8°C), lows near 35°F (1°C), about 10 wet days and roughly 3 snowy days.
Grand Rapids weather in December
December brings highs around 38°F (3°C), lows near 27°F (-3°C), about 12 wet days and roughly 6 snowy days.
Seasons in Grand Rapids
Spring (March through May)
Spring in Grand Rapids is mild, with daytime highs averaging 57°F (14°C) and nights around 38°F (3°C); expect showers on roughly 36 days across the season, plus around 5 snowy days.
Summer (June through August)
Summer in Grand Rapids is pleasantly warm, with daytime highs averaging 80°F (27°C) and nights around 62°F (17°C); expect showers on roughly 33 days across the season.
Fall (September through November)
Fall in Grand Rapids stays on the cool side of mild, with daytime highs averaging 61°F (16°C) and nights around 46°F (8°C); expect showers on roughly 32 days across the season, plus around 3 snowy days.
Winter (December through February)
Winter in Grand Rapids is frigid, with daytime highs averaging 35°F (1°C) and nights around 22°F (-6°C); expect showers on roughly 34 days across the season, plus around 20 snowy days. Wind makes those temperatures feel harsher than they sound - pair the forecast winds with the wind speed converter to judge conditions on exposed skin.
Climate questions, answered
What is the average temperature in Grand Rapids?
Is Grand Rapids hot in summer?
Is Grand Rapids cold in winter?
How many rainy days does Grand Rapids get in a year?
Best time to visit Grand Rapids
The best time to visit Grand Rapids is generally June to September, when this window offers the warmest, brightest days of the year. Daytime temperatures in that window typically sit near 79°F (26°C).
Pack for Grand Rapids with a heavy insulated coat, hat and gloves for winter; a compact umbrella or rain shell - showers are a regular feature. Evenings can feel noticeably cooler than afternoons - July nights average 64°F (18°C).
Grand Rapids temperature records (2015-2024)
Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ.