Average Weather in April in Roseau Minnesota, United States
Daily high temperatures increase by 16°F, from 44°F to 60°F, rarely falling below 30°F or exceeding 76°F.
Daily low temperatures increase by 12°F, from 25°F to 37°F, rarely falling below 10°F or exceeding 48°F.
For reference, on July 24, the hottest day of the year, temperatures in Roseau typically range from 58°F to 80°F, while on January 15, the coldest day of the year, they range from -2°F to 16°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 Roseau experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 56% to 51%.
The clearest day of the month is April 20, with clear, mostly clear, or partly cloudy conditions 49% of the time.
For reference, on February 4, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 70%, while on August 1, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 71%.
Cloud Cover Categories in April
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Roseau, the chance of a wet day over the course of April is very rapidly increasing, starting the month at 12% and ending it at 21%.
For reference, the year's highest daily chance of a wet day is 41% on June 20, and its lowest chance is 5% on January 24.
Over the course of April in Roseau, the chance of a day with only rain increases from 8% to 19%, the chance of a day with mixed snow and rain remains an essentially constant 2% 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 Roseau is increasing, starting the month at 0.6 inches, when it rarely exceeds 1.4 inches, and ending the month at 1.5 inches, when it rarely exceeds 2.9 inches or falls below 0.4 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 Roseau is essentially constant, remaining about 0.1 inches throughout, and rarely exceeding 0.7 inches or falling below -0.0 inches.
Average Monthly Liquid-Equivalent Snowfall in April
Over the course of April in Roseau, 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, 39 minutes, implying an average daily increase of 3 minutes, 26 seconds, and weekly increase of 23 minutes, 59 seconds.
The shortest day of the month is April 1, with 12 hours, 54 minutes of daylight and the longest day is April 30, with 14 hours, 33 minutes of daylight.
Hours of Daylight and Twilight in April
The latest sunrise of the month in Roseau is 7:00 AM on April 1 and the earliest sunrise is 56 minutes earlier at 6:04 AM on April 30.
The earliest sunset is 7:54 PM on April 1 and the latest sunset is 43 minutes later at 8:37 PM on April 30.
Daylight saving time is observed in Roseau 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 5:19 AM and sets 16 hours, 11 minutes later, at 9:30 PM, while on December 21, the shortest day of the year, it rises at 8:13 AM and sets 8 hours, 15 minutes later, at 4:28 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in April
The chance that a given day will be muggy in Roseau is essentially constant during April, remaining around 0% throughout.
For reference, on July 24, the muggiest day of the year, there are muggy conditions 24% of the time, while on November 11, 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 Roseau is essentially constant during April, remaining within 0.1 miles per hour of 11.0 miles per hour throughout.
For reference, on April 1, the windiest day of the year, the daily average wind speed is 11.1 miles per hour, while on July 27, the calmest day of the year, the daily average wind speed is 8.7 miles per hour.
The highest daily average wind speed during April is 11.1 miles per hour on April 1.
Average Wind Speed in April
Wind Direction in April
The growing season in Roseau typically lasts for 4.4 months (137 days), from around May 11 to around September 24, rarely starting before April 22 or after May 29, and rarely ending before September 8 or after October 12.
The month of April in Roseau is more likely than not fully outside of the growing season, with the chance that a given day is in the growing season rapidly increasing from 0% to 23% 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 Roseau are gradually increasing during April, increasing by 63°F, from 6°F to 69°F, over the course of the month.
Growing Degree Days in April
The average daily incident shortwave solar energy in Roseau is increasing during April, rising by 1.2 kWh, from 4.4 kWh to 5.6 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 Roseau are 48.846 deg latitude, -95.763 deg longitude, and 1,050 ft elevation.
The topography within 2 miles of Roseau is essentially flat, with a maximum elevation change of 33 feet and an average elevation above sea level of 1,047 feet. Within 10 miles is essentially flat (115 feet). Within 50 miles also contains only modest variations in elevation (472 feet).
The area within 2 miles of Roseau is covered by cropland (79%) and artificial surfaces (20%), within 10 miles by cropland (77%), and within 50 miles by cropland (37%) and trees (35%).
This report illustrates the typical weather in Roseau 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 Roseau.
For each station, the records are corrected for the elevation difference between that station and Roseau 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 Roseau is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Roseau and a given station.
The stations contributing to this reconstruction are: Roseau, Roseau Municipal Airport/Rudy Billberg Field (97%, 4.9 kilometers, east); Hallock Municipal Airport (1.3%, 87 kilometers, west); and Thief River Falls Regional Airport (1.2%, 92 kilometers, south).
Time zones for aiports and weather stations are provided by AskGeo.com .