Average Weather in April in Grand Rapids Michigan, United States
In Grand Rapids, the month of April is characterized by rapidly rising daily high temperatures, with daily highs increasing by 13°F, from 51°F to 65°F over the course of the month, and rarely exceeding 79°F or dropping below 37°F.
Daily low temperatures increase by 11°F, from 33°F to 44°F, rarely falling below 22°F or exceeding 57°F.
For reference, on July 19, the hottest day of the year, temperatures in Grand Rapids typically range from 63°F to 83°F, while on January 29, the coldest day of the year, they range from 18°F to 30°F.
Average High and Low Temperature in April
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on April. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in April
The month of April in Grand Rapids experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 54% throughout the month.
The clearest day of the month is April 25, with clear, mostly clear, or partly cloudy conditions 48% of the time.
For reference, on January 7, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 69%, while on August 7, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 67%.
Cloud Cover in April
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Grand Rapids, the chance of a wet day over the course of April is gradually increasing, starting the month at 26% and ending it at 29%.
For reference, the year's highest daily chance of a wet day is 33% on May 24, and its lowest chance is 17% on February 8.
Over the course of April in Grand Rapids, the chance of a day with only rain increases from 23% to 29%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 1% throughout.
Probability of Precipitation in April
The average sliding 31-day rainfall during April in Grand Rapids is increasing, starting the month at 2.3 inches, when it rarely exceeds 3.9 inches or falls below 0.9 inches, and ending the month at 3.0 inches, when it rarely exceeds 4.9 inches or falls below 1.2 inches.
Average Monthly Rainfall in April
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during April in Grand Rapids is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.4 inches or falling below -0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in April
Over the course of April in Grand Rapids, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 20 minutes, implying an average daily increase of 2 minutes, 46 seconds, and weekly increase of 19 minutes, 20 seconds.
The shortest day of the month is April 1, with 12 hours, 45 minutes of daylight and the longest day is April 30, with 14 hours, 5 minutes of daylight.
Hours of Daylight and Twilight in April
The latest sunrise of the month in Grand Rapids is 7:24 AM on April 1 and the earliest sunrise is 47 minutes earlier at 6:37 AM on April 30.
The earliest sunset is 8:09 PM on April 1 and the latest sunset is 33 minutes later at 8:42 PM on April 30.
Daylight saving time is observed in Grand Rapids during 2017, but it neither starts nor ends during April, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 6:03 AM and sets 15 hours, 22 minutes later, at 9:25 PM, while on December 21, the shortest day of the year, it rises at 8:10 AM and sets 9 hours, 0 minutes later, at 5:11 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in April
The chance that a given day will be muggy in Grand Rapids is essentially constant during April, remaining around 0% throughout.
For reference, on July 28, the muggiest day of the year, there are muggy conditions 36% of the time, while on November 16, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in April
The average hourly wind speed in Grand Rapids is gradually decreasing during April, decreasing from 6.5 miles per hour to 6.0 miles per hour over the course of the month.
For reference, on January 12, the windiest day of the year, the daily average wind speed is 6.8 miles per hour, while on August 3, the calmest day of the year, the daily average wind speed is 4.2 miles per hour.
Average Wind Speed in April
Wind Direction in April
Grand Rapids is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Grand Rapids is gradually increasing during April, rising by 3°F, from 36°F to 40°F, over the course of the month.
Average Water Temperature in April
The average daily incident shortwave solar energy in Grand Rapids is increasing during April, rising by 1.2 kWh, from 4.5 kWh to 5.8 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in April
For the purposes of this report, the geographical coordinates of Grand Rapids are 42.963 deg latitude, -85.668 deg longitude, and 686 ft elevation.
The topography within 2 miles of Grand Rapids contains only modest variations in elevation, with a maximum elevation change of 197 feet and an average elevation above sea level of 666 feet. Within 10 miles also contains only modest variations in elevation (318 feet). Within 50 miles contains only modest variations in elevation (787 feet).
The area within 2 miles of Grand Rapids is covered by artificial surfaces (100%), within 10 miles by artificial surfaces (61%) and cropland (21%), and within 50 miles by cropland (44%) and trees (31%).
This report illustrates the typical weather in Grand Rapids year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 4 weather stations near enough to contribute to our estimation of the temperature and dew point in Grand Rapids.
For each station, the records are corrected for the elevation difference between that station and Grand Rapids according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Grand Rapids is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Grand Rapids and a given station.
The stations contributing to this reconstruction are: Gerald R. Ford International Airport (67%, 15 kilometers, southeast); West Michigan Regional Airport (14%, 43 kilometers, southwest); Muskegon County Airport (11%, 52 kilometers, northwest); and Fremont Municipal Airport (9%, 59 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .