Average Weather in July in Waterville Washington, United States
In Waterville, the month of July is characterized by rising daily high temperatures, with daily highs increasing by 6°F, from 78°F to 84°F over the course of the month, and rarely exceeding 93°F or dropping below 68°F.
Daily low temperatures increase by 4°F, from 53°F to 58°F, rarely falling below 46°F or exceeding 65°F.
For reference, on August 2, the hottest day of the year, temperatures in Waterville typically range from 58°F to 84°F, while on December 30, the coldest day of the year, they range from 18°F to 26°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 Waterville experiences decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 31% to 20%.
The clearest day of the month is July 31, with clear, mostly clear, or partly cloudy conditions 80% of the time.
For reference, on January 15, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 67%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 80%.
Cloud Cover in July
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Waterville, the chance of a wet day over the course of July is essentially constant, remaining around 5% throughout.
For reference, the year's highest daily chance of a wet day is 32% on November 28, and its lowest chance is 5% on July 21.
Probability of Precipitation in July
The average sliding 31-day rainfall during July in Waterville is essentially constant, remaining about 0.3 inches throughout, and rarely exceeding 0.9 inches.
Average Monthly Rainfall in July
Over the course of July in Waterville, the length of the day is decreasing. From the start to the end of the month, the length of the day decreases by 56 minutes, implying an average daily decrease of 1 minute, 52 seconds, and weekly decrease of 13 minutes, 5 seconds.
The shortest day of the month is July 31, with 14 hours, 59 minutes of daylight and the longest day is July 1, with 15 hours, 55 minutes of daylight.
Hours of Daylight and Twilight in July
The earliest sunrise of the month in Waterville is 5:06 AM on July 1 and the latest sunrise is 30 minutes later at 5:36 AM on July 31.
The latest sunset is 9:01 PM on July 1 and the earliest sunset is 26 minutes earlier at 8:35 PM on July 31.
Daylight saving time is observed in Waterville during 2017, 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 5:02 AM and sets 15 hours, 60 minutes later, at 9:02 PM, while on December 21, the shortest day of the year, it rises at 7:46 AM and sets 8 hours, 25 minutes later, at 4:11 PM.
Sunrise & Sunset with Twilight in July
The chance that a given day will be muggy in Waterville is essentially constant during July, remaining around 0% throughout.
Humidity Comfort Levels in July
The average hourly wind speed in Waterville is essentially constant during July, remaining within 0.1 miles per hour of 3.2 miles per hour throughout.
For reference, on June 8, the windiest day of the year, the daily average wind speed is 3.3 miles per hour, while on January 5, the calmest day of the year, the daily average wind speed is 2.5 miles per hour.
Average Wind Speed in July
Wind Direction in July
The average daily incident shortwave solar energy in Waterville is essentially constant during July, remaining within 0.2 kWh of 7.5 kWh throughout.
The highest average daily incident shortwave solar energy during July is 7.7 kWh on July 14.
Average Daily Incident Shortwave Solar Energy in July
For the purposes of this report, the geographical coordinates of Waterville are 47.647 deg latitude, -120.071 deg longitude, and 2,703 ft elevation.
The topography within 2 miles of Waterville contains only modest variations in elevation, with a maximum elevation change of 410 feet and an average elevation above sea level of 2,670 feet. Within 10 miles contains only modest variations in elevation (3,553 feet). Within 50 miles also contains extreme variations in elevation (8,743 feet).
The area within 2 miles of Waterville is covered by cropland (84%) and grassland (13%), within 10 miles by shrubs (43%) and cropland (37%), and within 50 miles by shrubs (47%) and trees (17%).
This report illustrates the typical weather in Waterville 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 Waterville.
For each station, the records are corrected for the elevation difference between that station and Waterville 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 Waterville is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Waterville and a given station.
The stations contributing to this reconstruction are: Pangborn Field (50%, 29 kilometers, south); Ephrata Municipal Airport (33%, 56 kilometers, southeast); and Omak Airport (17%, 100 kilometers, northeast).
Time zones for aiports and weather stations are provided by AskGeo.com .