Weather in Grand Rapids in April
United States · 20-year averages, April
Shoulder season. April is shoulder season in Grand Rapids — cheaper, quieter, and a genuine gamble. Highs sit at 13.5 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.
April ranks 7 of 12 in Grand Rapids: past the worst of the year but short of July, which is the month to book if the dates are open.
Rain on 12 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at 13.5 °C the difference between a good day and a miserable one is entirely down to what you are wearing.
What the averages hide
Averages flatten a month, and this one hides a few things: 12 nights fall below freezing. Across the twenty years measured, the hottest April day reached 26.4 °C and the coldest night fell to -13.1 °C, and the wettest single day dropped 44 mm — roughly 46% of the month's rain in one day.
April is moderately variable: 23 mm in the driest year against 222 mm in the wettest, around an average of 96 mm. Roughly two Aprils in three land near that average, and the third does something else entirely.
Wind is light at 12.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 76%, which at 13.5 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.
How April sits in the year
The month is on the way up: 7.3 °C warmer than March, and May adds another 6 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.
Daylight in April
13.3 hours of daylight, gaining 1.4 hours across the month. That is between Grand Rapids's extremes of 15.3 and 9 hours, so days are long enough not to constrain the plan.
An inland climate
With no coast nearby, the year swings a fair way — 35.3 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.
How busy it gets
Shoulder. The value months — prices ease off and you get the place closer to itself.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
April in Grand Rapids versus nearby
If Grand Rapids is one option among several, the nearby comparison is worth making. Milwaukee is close enough to be a coin toss — within a degree on temperature, 1 day less rain. Chicago is the weaker option in April — 3.3 °C cooler, the same number of rain days.
So: April is a compromise. July is 24 points better and is what Grand Rapids is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Grand Rapids
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | -1.4 | -8.4 | 12 | 62 | 89 | 9.3 | 17 |
| February | -0.3 | -8.3 | 10 | 60 | 86 | 10.5 | 19 |
| March | 6.2 | -3.7 | 10 | 63 | 80 | 11.8 | 31 |
| April | 13.5 | 1.5 | 12 | 96 | 76 | 13.3 | 56 |
| May | 19.5 | 7.8 | 13 | 104 | 77 | 14.6 | 72 |
| June | 24.4 | 13.5 | 12 | 89 | 76 | 15.3 | 77 |
| July | 26.9 | 16.4 | 11 | 79 | 75 | 15.1 | 80 |
| August | 26.6 | 16 | 12 | 87 | 74 | 14 | 77 |
| September | 23.4 | 12.2 | 10 | 79 | 74 | 12.6 | 80 |
| October | 15.5 | 5.7 | 13 | 109 | 78 | 11.1 | 61 |
| November | 8.2 | 0.2 | 10 | 72 | 82 | 9.8 | 43 |
| December | 1.5 | -4.8 | 12 | 66 | 88 | 9 | 21 |
See all twelve months in Grand Rapids, or where else to go in April.
Planning the rest of the trip
- Flight time to Grand Rapids how long you are actually in the air
- Grand Rapids time zone and the difference from home
- Days until your trip count down to the departure date
- Gyms & clubs in Grand Rapids keep training while you are there