Average Weather in May in Maplewood Washington, United States
Daily high temperatures increase by 5°F, from 62°F to 67°F, rarely falling below 53°F or exceeding 78°F.
Daily low temperatures increase by 5°F, from 45°F to 50°F, rarely falling below 39°F or exceeding 55°F.
For reference, on August 3, the hottest day of the year, temperatures in Maplewood typically range from 56°F to 78°F, while on January 1, the coldest day of the year, they range from 37°F to 45°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 Maplewood experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 54% throughout the month.
The clearest day of the month is May 31, with clear, mostly clear, or partly cloudy conditions 47% of the time.
For reference, on January 19, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 73%, while on August 3, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 76%.
Cloud Cover Categories in May
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 Maplewood, the chance of a wet day over the course of May is decreasing, starting the month at 32% and ending it at 26%.
For reference, the year's highest daily chance of a wet day is 56% on November 18, and its lowest chance is 7% on August 4.
Probability of Precipitation in May
The average sliding 31-day rainfall during May in Maplewood is decreasing, starting the month at 2.4 inches, when it rarely exceeds 4.2 inches or falls below 0.9 inches, and ending the month at 1.9 inches, when it rarely exceeds 3.3 inches or falls below 0.5 inches.
Average Monthly Rainfall in May
Over the course of May in Maplewood, 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, 12 minutes, implying an average daily increase of 2 minutes, 24 seconds, and weekly increase of 16 minutes, 46 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 Maplewood is 5:53 AM on May 1 and the earliest sunrise is 35 minutes earlier at 5:17 AM on May 31.
The earliest sunset is 8:22 PM on May 1 and the latest sunset is 36 minutes later at 8:58 PM on May 31.
Daylight saving time is observed in Maplewood during 2018, 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 5:13 AM and sets 15 hours, 57 minutes later, at 9:10 PM, while on December 21, the shortest day of the year, it rises at 7:54 AM and sets 8 hours, 27 minutes later, at 4:22 PM.
Sunrise & Sunset with Twilight in May
The chance that a given day will be muggy in Maplewood is essentially constant during May, remaining around 0% throughout.
For reference, on September 12, 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
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Maplewood is essentially constant during May, remaining within 0.2 miles per hour of 3.9 miles per hour throughout.
For reference, on December 1, the windiest day of the year, the daily average wind speed is 5.4 miles per hour, while on August 2, the calmest day of the year, the daily average wind speed is 3.1 miles per hour.
Average Wind Speed in May
Wind Direction in May
Maplewood 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 Maplewood is gradually increasing during May, rising by 3°F, from 51°F to 53°F, over the course of the month.
Average Water Temperature in May
The growing season in Maplewood typically lasts for 8.7 months (268 days), from around March 1 to around November 24, rarely starting before January 28 or after March 30, and rarely ending before November 2 or after December 17.
The month of May in Maplewood 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 Maplewood are gradually increasing during May, increasing by 171°F, from 122°F to 293°F, over the course of the month.
Growing Degree Days in May
The average daily incident shortwave solar energy in Maplewood is gradually increasing during May, rising by 0.7 kWh, from 5.2 kWh to 5.9 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 Maplewood are 47.402 deg latitude, -122.557 deg longitude, and 246 ft elevation.
The topography within 2 miles of Maplewood contains only modest variations in elevation, with a maximum elevation change of 404 feet and an average elevation above sea level of 176 feet. Within 10 miles contains only modest variations in elevation (538 feet). Within 50 miles contains significant variations in elevation (8,340 feet).
The area within 2 miles of Maplewood is covered by trees (65%) and water (31%), within 10 miles by trees (42%) and water (36%), and within 50 miles by trees (53%) and artificial surfaces (14%).
This report illustrates the typical weather in Maplewood 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 Maplewood.
For each station, the records are corrected for the elevation difference between that station and Maplewood 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 Maplewood is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Maplewood and a given station.
The stations contributing to this reconstruction are: Tacoma Narrows Airport (42%, 15 kilometers, south); Bremerton National Airport (29%, 18 kilometers, northwest); and Seattle-Tacoma International Airport (29%, 19 kilometers, east).
Time zones for aiports and weather stations are provided by AskGeo.com .