Average Weather in July in Chamberlain South Dakota, United States
Daily high temperatures increase by 2°F, from 86°F to 88°F, rarely falling below 77°F or exceeding 100°F. The highest daily average high temperature is 89°F on July 20.
Daily low temperatures are around 64°F, rarely falling below 55°F or exceeding 74°F. The highest daily average low temperature is 65°F on July 20.
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 July
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on July. 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 July
The month of July in Chamberlain experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 26% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 24% on July 25.
The clearest day of the month is July 25, with clear, mostly clear, or partly cloudy conditions 76% 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 July
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 July is essentially constant, remaining around 31% throughout.
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.
Probability of Precipitation in July
The average sliding 31-day rainfall during July in Chamberlain is gradually decreasing, starting the month at 2.6 inches, when it rarely exceeds 4.7 inches or falls below 1.0 inches, and ending the month at 2.2 inches, when it rarely exceeds 3.4 inches or falls below 0.9 inches.
Average Monthly Rainfall in July
Over the course of July in Chamberlain, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 47 minutes, implying an average daily decrease of 1 minute, 35 seconds, and weekly decrease of 11 minutes, 3 seconds.
The shortest day of the month is July 31, with 14 hours, 37 minutes of daylight and the longest day is July 1, with 15 hours, 24 minutes of daylight.
Hours of Daylight and Twilight in July
The earliest sunrise of the month in Chamberlain is 5:59 AM on July 1 and the latest sunrise is 26 minutes later at 6:25 AM on July 31.
The latest sunset is 9:23 PM on July 1 and the earliest sunset is 21 minutes earlier at 9:01 PM on July 31.
Daylight saving time is observed in Chamberlain during 2018, but it neither starts nor ends during July, 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 in July
The chance that a given day will be muggy in Chamberlain is increasing during July, rising from 23% to 29% over the course of the month.
The highest chance of a muggy day during July is 30% on July 25.
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 July
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Chamberlain is gradually decreasing during July, decreasing from 10.2 miles per hour to 9.5 miles per hour over the course of the month.
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 lowest daily average wind speed during July is 9.5 miles per hour on July 27.
Average Wind Speed in July
Wind Direction in July
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.
The month of July in Chamberlain is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in July
The average accumulated growing degree days in Chamberlain are rapidly increasing during July, increasing by 740°F, from 1,102°F to 1,842°F, over the course of the month.
Growing Degree Days in July
The average daily incident shortwave solar energy in Chamberlain is essentially constant during July, remaining within 0.2 kWh of 7.1 kWh throughout.
The highest average daily incident shortwave solar energy during July is 7.4 kWh on July 4.
Average Daily Incident Shortwave Solar Energy in July
For the purposes of this report, the geographical coordinates of Chamberlain are 43.811 deg latitude, -99.331 deg longitude, and 1,526 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 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 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 (96%, 5.0 kilometers, south); Pierre Municipal Airport (1.9%, 99 kilometers, northwest); and Huron Regional Airport (1.7%, 110 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .