Average Weather in May in Ravensdale Washington, United States
Daily low temperatures increase by 5°F, from 45°F to 50°F, rarely falling below 38°F or exceeding 55°F.
For reference, on August 3, the hottest day of the year, temperatures in Ravensdale typically range from 57°F to 78°F, while on January 1, the coldest day of the year, they range from 35°F to 44°F.
Average High and Low Temperature in May
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on May. 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 May
The month of May in Ravensdale experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 62% throughout the month.
The clearest day of the month is May 31, with clear, mostly clear, or partly cloudy conditions 39% of the time.
For reference, on November 29, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 78%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 73%.
Cloud Cover Categories in May
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Ravensdale, the chance of a wet day over the course of May is gradually decreasing, starting the month at 38% and ending it at 34%.
For reference, the year's highest daily chance of a wet day is 60% on November 18, and its lowest chance is 9% on August 5.
Probability of Precipitation in May
To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day rainfall during May in Ravensdale is decreasing, starting the month at 3.1 inches, when it rarely exceeds 5.2 inches or falls below 1.2 inches, and ending the month at 2.5 inches, when it rarely exceeds 4.2 inches or falls below 0.8 inches.
Average Monthly Rainfall in May
Over the course of May in Ravensdale, 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, 11 minutes, implying an average daily increase of 2 minutes, 23 seconds, and weekly increase of 16 minutes, 39 seconds.
The shortest day of the month is May 1, with 14 hours, 29 minutes of daylight and the longest day is May 31, with 15 hours, 40 minutes of daylight.
Hours of Daylight and Twilight in May
The latest sunrise of the month in Ravensdale is 5:50 AM on May 1 and the earliest sunrise is 35 minutes earlier at 5:15 AM on May 31.
The earliest sunset is 8:19 PM on May 1 and the latest sunset is 36 minutes later at 8:56 PM on May 31.
Daylight saving time is observed in Ravensdale during 2017, but it neither starts nor ends during May, so the entire month is in daylight saving time.
For reference, on June 21, the longest day of the year, the Sun rises at 5:11 AM and sets 15 hours, 57 minutes later, at 9:08 PM, while on December 21, the shortest day of the year, it rises at 7:52 AM and sets 8 hours, 28 minutes later, at 4:20 PM.
Sunrise & Sunset with Twilight in May
The chance that a given day will be muggy in Ravensdale is essentially constant during May, remaining around 0% throughout.
For reference, on July 29, 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 May
The average hourly wind speed in Ravensdale is essentially constant during May, remaining within 0.2 miles per hour of 3.6 miles per hour throughout.
For reference, on December 29, the windiest day of the year, the daily average wind speed is 5.5 miles per hour, while on August 2, the calmest day of the year, the daily average wind speed is 2.9 miles per hour.
Average Wind Speed in May
Wind Direction in May
Ravensdale is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.
The average surface water temperature in Ravensdale is gradually increasing during May, rising by 3°F, from 50°F to 53°F, over the course of the month.
Average Water Temperature in May
The growing season in Ravensdale typically lasts for 7.4 months (225 days), from around March 30 to around November 10, rarely starting before February 27 or after April 21, and rarely ending before October 23 or after November 29.
The month of May in Ravensdale is reliably fully within the growing season.
Time Spent in Various Temperature Bands and the Growing Season in May
The average accumulated growing degree days in Ravensdale are gradually increasing during May, increasing by 178°F, from 121°F to 299°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Ravensdale is gradually increasing during May, rising by 0.6 kWh, from 5.1 kWh to 5.8 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in May
For the purposes of this report, the geographical coordinates of Ravensdale are 47.352 deg latitude, -121.984 deg longitude, and 669 ft elevation.
The topography within 2 miles of Ravensdale contains significant variations in elevation, with a maximum elevation change of 738 feet and an average elevation above sea level of 707 feet. Within 10 miles contains significant variations in elevation (3,796 feet). Within 50 miles also contains extreme variations in elevation (14,383 feet).
The area within 2 miles of Ravensdale is covered by trees (71%) and shrubs (20%), within 10 miles by trees (54%) and artificial surfaces (18%), and within 50 miles by trees (55%) and shrubs (16%).
This report illustrates the typical weather in Ravensdale 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 Ravensdale.
For each station, the records are corrected for the elevation difference between that station and Ravensdale 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 Ravensdale is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Ravensdale and a given station.
The stations contributing to this reconstruction are: Renton Municipal Airport (52%, 23 kilometers, northwest); Pierce County Airport Thun Field (40%, 36 kilometers, southwest); and Stampede Pass (7%, 50 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .