Average Weather in August in Riverbank California, United States
In Riverbank, the month of August is characterized by gradually falling daily high temperatures, with daily highs decreasing by 3°F, from 95°F to 92°F over the course of the month, and rarely exceeding 103°F or dropping below 84°F.
Daily low temperatures decrease by 2°F, from 64°F to 62°F, rarely falling below 57°F or exceeding 71°F.
For reference, on July 18, the hottest day of the year, temperatures in Riverbank typically range from 65°F to 95°F, while on December 31, the coldest day of the year, they range from 39°F to 54°F.
Average High and Low Temperature in August
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on August. 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 August
The month of August in Riverbank experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 9% throughout the month.
The clearest day of the month is August 8, with clear, mostly clear, or partly cloudy conditions 92% of the time.
For reference, on February 6, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 53%, while on July 29, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 92%.
Cloud Cover in August
The average sliding 31-day rainfall during August in Riverbank is essentially constant, remaining about 0.0 inches throughout, and rarely exceeding 0.2 inches.
The lowest average 31-day accumulation is 0.0 inches on August 3.
Average Monthly Rainfall in August
Over the course of August in Riverbank, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 4 minutes, implying an average daily decrease of 2 minutes, 7 seconds, and weekly decrease of 14 minutes, 52 seconds.
The shortest day of the month is August 31, with 13 hours, 1 minute of daylight and the longest day is August 1, with 14 hours, 4 minutes of daylight.
Hours of Daylight and Twilight in August
The earliest sunrise of the month in Riverbank is 6:07 AM on August 1 and the latest sunrise is 26 minutes later at 6:33 AM on August 31.
The latest sunset is 8:11 PM on August 1 and the earliest sunset is 38 minutes earlier at 7:33 PM on August 31.
Daylight saving time is observed in Riverbank during 2017, but it neither starts nor ends during August, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:42 AM and sets 14 hours, 47 minutes later, at 8:29 PM, while on December 21, the shortest day of the year, it rises at 7:15 AM and sets 9 hours, 33 minutes later, at 4:48 PM.
Sunrise & Sunset with Twilight in August
The chance that a given day will be muggy in Riverbank is essentially constant during August, remaining around 0% throughout.
For reference, on July 18, the muggiest day of the year, there are muggy conditions 0% 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 August
The average hourly wind speed in Riverbank is essentially constant during August, remaining within 0.2 miles per hour of 3.7 miles per hour throughout.
For reference, on June 18, the windiest day of the year, the daily average wind speed is 4.3 miles per hour, while on October 28, the calmest day of the year, the daily average wind speed is 2.8 miles per hour.
Average Wind Speed in August
Wind Direction in August
The average daily incident shortwave solar energy in Riverbank is decreasing during August, falling by 1.1 kWh, from 8.0 kWh to 6.9 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in August
For the purposes of this report, the geographical coordinates of Riverbank are 37.736 deg latitude, -120.935 deg longitude, and 128 ft elevation.
The topography within 2 miles of Riverbank is essentially flat, with a maximum elevation change of 89 feet and an average elevation above sea level of 123 feet. Within 10 miles is essentially flat (292 feet). Within 50 miles contains only modest variations in elevation (5,814 feet).
The area within 2 miles of Riverbank is covered by cropland (68%) and artificial surfaces (30%), within 10 miles by cropland (72%) and artificial surfaces (18%), and within 50 miles by cropland (37%) and grassland (35%).
This report illustrates the typical weather in Riverbank 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 Riverbank.
For each station, the records are corrected for the elevation difference between that station and Riverbank 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 Riverbank is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Riverbank and a given station.
The stations contributing to this reconstruction are: Modesto City-County Airport (78%, 13 kilometers, south); Stockton Metropolitan Airport (21%, 31 kilometers, northwest); and Bridgeport Sonora Junction (0.9%, 142 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .