Average Weather in April in Chamberlain South Dakota, United States
Daily high temperatures increase by 11°F, from 55°F to 67°F, rarely falling below 37°F or exceeding 82°F.
Daily low temperatures increase by 11°F, from 33°F to 43°F, rarely falling below 21°F or exceeding 55°F.
For reference, on July 20, the hottest day of the year, temperatures in Chamberlain typically range from 65°F to 89°F, while on January 2, the coldest day of the year, they range from 13°F to 31°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 Chamberlain experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 53% to 47%.
The clearest day of the month is April 30, with clear, mostly clear, or partly cloudy conditions 53% of the time.
For reference, on March 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 53%, while on July 25, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 76%.
Cloud Cover Categories in April
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Chamberlain, the chance of a wet day over the course of April is very rapidly increasing, starting the month at 16% and ending it at 25%.
For reference, the year's highest daily chance of a wet day is 40% on June 7, and its lowest chance is 4% on January 25.
Over the course of April in Chamberlain, the chance of a day with only rain increases from 12% to 24%, 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 decreases from 2% to 0%.
Probability of Precipitation in April
The average sliding 31-day rainfall during April in Chamberlain is rapidly increasing, starting the month at 1.3 inches, when it rarely exceeds 2.8 inches or falls below 0.2 inches, and ending the month at 2.5 inches, when it rarely exceeds 4.7 inches or falls below 0.6 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 Chamberlain is essentially constant, remaining about 0.2 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 Chamberlain, 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, 23 minutes, implying an average daily increase of 2 minutes, 51 seconds, and weekly increase of 19 minutes, 57 seconds.
The shortest day of the month is April 1, with 12 hours, 46 minutes of daylight and the longest day is April 30, with 14 hours, 9 minutes of daylight.
Hours of Daylight and Twilight in April
The latest sunrise of the month in Chamberlain is 7:18 AM on April 1 and the earliest sunrise is 48 minutes earlier at 6:30 AM on April 30.
The earliest sunset is 8:04 PM on April 1 and the latest sunset is 35 minutes later at 8:39 PM on April 30.
Daylight saving time is observed in Chamberlain during 2021, 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 5:55 AM and sets 15 hours, 28 minutes later, at 9:23 PM, while on December 21, the shortest day of the year, it rises at 8:08 AM and sets 8 hours, 55 minutes later, at 5:02 PM.
Sunrise & Sunset with Twilight and Daylight Saving Time in April
The figure below presents a compact representation of key lunar data for April 2021. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.
Moon Rise, Set & Phases in April
The chance that a given day will be muggy in Chamberlain is essentially constant during April, remaining around 0% throughout.
For reference, on July 25, the muggiest day of the year, there are muggy conditions 30% 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
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Chamberlain is essentially constant during April, remaining within 0.2 miles per hour of 12.2 miles per hour throughout.
For reference, on April 8, the windiest day of the year, the daily average wind speed is 12.5 miles per hour, while on July 26, the calmest day of the year, the daily average wind speed is 9.5 miles per hour.
The highest daily average wind speed during April is 12.5 miles per hour on April 8.
Average Wind Speed in April
The hourly average wind direction in Chamberlain throughout April is predominantly from the north, with a peak proportion of 36% on April 15.
Wind Direction in April
The growing season in Chamberlain typically lasts for 5.4 months (164 days), from around April 28 to around October 8, rarely starting before April 7 or after May 18, and rarely ending before September 20 or after October 28.
During April in Chamberlain, the chance that a given day is within the growing season is very rapidly increasing rising from 4% to 55% 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 Chamberlain are gradually increasing during April, increasing by 133°F, from 54°F to 187°F, over the course of the month.
Growing Degree Days in April
The average daily incident shortwave solar energy in Chamberlain is increasing during April, rising by 1.2 kWh, from 4.9 kWh to 6.1 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 Chamberlain are 43.811 deg latitude, -99.331 deg longitude, and 1,404 ft elevation.
The topography within 2 miles of Chamberlain contains only modest variations in elevation, with a maximum elevation change of 387 feet and an average elevation above sea level of 1,480 feet. Within 10 miles contains only modest variations in elevation (512 feet). Within 50 miles contains significant variations in elevation (1,191 feet).
The area within 2 miles of Chamberlain is covered by grassland (58%) and water (32%), within 10 miles by grassland (60%) and cropland (29%), and within 50 miles by grassland (69%) and cropland (28%).
This report illustrates the typical weather in Chamberlain, 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 Chamberlain.
For each station, the records are corrected for the elevation difference between that station and Chamberlain 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 Chamberlain is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Chamberlain and a given station.
The stations contributing to this reconstruction are: Chamberlain, Chamberlain Municipal Airport (94%, 5.0 kilometers, south); Pierre Municipal Airport (3.2%, 99 kilometers, northwest); and Huron Regional Airport (2.7%, 110 kilometers, northeast).
Time zones for airports and weather stations are provided by AskGeo.com .