Average Weather in April in Grandville Michigan, United States
Daily high temperatures increase by 13°F, from 51°F to 64°F, rarely falling below 37°F or exceeding 78°F.
Daily low temperatures increase by 10°F, from 34°F to 44°F, rarely falling below 23°F or exceeding 57°F.
For reference, on July 19, the hottest day of the year, temperatures in Grandville typically range from 64°F to 82°F, while on January 29, the coldest day of the year, they range from 19°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 Grandville 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 8, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 70%, while on August 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 67%.
Cloud Cover Categories in April
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Grandville, 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 September 21, and its lowest chance is 17% on February 8.
Over the course of April in Grandville, the chance of a day with only rain increases from 24% 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 0% throughout.
Probability of Precipitation in April
The average sliding 31-day rainfall during April in Grandville is increasing, starting the month at 2.3 inches, when it rarely exceeds 3.9 inches or falls below 1.0 inches, and ending the month at 3.0 inches, when it rarely exceeds 4.8 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 Grandville 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 Grandville, 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, 19 seconds.
The shortest day of the month is April 1, with 12 hours, 44 minutes of daylight and the longest day is April 30, with 14 hours, 4 minutes of daylight.
Hours of Daylight and Twilight in April
The latest sunrise of the month in Grandville is 7:25 AM on April 1 and the earliest sunrise is 47 minutes earlier at 6:38 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 Grandville during 2018, 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 6:04 AM and sets 15 hours, 21 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, 1 minute 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 Grandville is essentially constant during April, remaining around 0% throughout.
For reference, on July 28, the muggiest day of the year, there are muggy conditions 37% of the time, while on January 1, 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 Grandville is decreasing during April, decreasing from 12.2 miles per hour to 11.2 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 13.1 miles per hour, while on August 3, the calmest day of the year, the daily average wind speed is 8.0 miles per hour.
Average Wind Speed in April
Wind Direction in April
Grandville 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 Grandville is gradually increasing during April, rising by 3°F, from 37°F to 40°F, over the course of the month.
Average Water Temperature in April
The growing season in Grandville typically lasts for 5.6 months (172 days), from around April 27 to around October 16, rarely starting before April 9 or after May 16, and rarely ending before September 27 or after November 4.
During April in Grandville, the chance that a given day is within the growing season is very rapidly increasing rising from 2% to 58% over the course of the month.
Time Spent in Various Temperature Bands and the Growing Season in April
The average accumulated growing degree days in Grandville are gradually increasing during April, increasing by 117°F, from 36°F to 152°F, over the course of the month.
Growing Degree Days in April
The average daily incident shortwave solar energy in Grandville 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 Grandville are 42.910 deg latitude, -85.763 deg longitude, and 623 ft elevation.
The topography within 2 miles of Grandville contains only modest variations in elevation, with a maximum elevation change of 151 feet and an average elevation above sea level of 617 feet. Within 10 miles also contains only modest variations in elevation (440 feet). Within 50 miles contains only modest variations in elevation (676 feet).
The area within 2 miles of Grandville is covered by artificial surfaces (86%) and trees (12%), within 10 miles by artificial surfaces (52%) and cropland (39%), and within 50 miles by cropland (41%) and trees (29%).
This report illustrates the typical weather in Grandville 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 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Grandville.
For each station, the records are corrected for the elevation difference between that station and Grandville 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 Grandville is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Grandville and a given station.
The stations contributing to this reconstruction are: Gerald R. Ford International Airport (57%, 20 kilometers, east); West Michigan Regional Airport (28%, 33 kilometers, southwest); and Muskegon County Airport (16%, 48 kilometers, northwest).
Time zones for aiports and weather stations are provided by AskGeo.com .