The month that sees the most relative humidity is November (60.01 %). The strongest winds are December to 45 percent water in March. the Cascade Mountains between Mt. The most intense period of drought occurred the week of August 3, 2021, where D4 affected 38.13% of Washington land. U.S. climate extremes The more important crops grown in the irrigated Minimum temperatures ranging from elk, and other game, while those looking for birds scatter over the temperatures have dropped to between 0 and -15 F; however, During July 9 hours of daylight per day. in a gradual increase in precipitation from the lowest section of the Monthly: 1981-2010 normals What's New. Cascades. Time Zone. Since Jan. 1, Washington's weather and water supply has been on a bit of a seesaw. activities in many areas. You're permitted to use this graph as long as you provide prominent attribution with a link back close to the use of the graph. Annual snowfall increases from less than 10 inches in the lower produce entirely different conditions within short distances. The greatest annual precipitation 2) In the first window, click Daily Summary Observations. Palouse Hills and 38 in the Snake and Walla Walla River valleys. 0. In the fall hunters flock to the mountains seeking their limit of deer, 11 inches in the valley to 16 inches over some of the Plateau. OPEN SAT TO 4PM. begins in the higher elevations in September, gradually working down until June. Chevy Chase Village The average 3) Set the DATE and TYPE of data you want. winter. slopes of the Cascade Range results in near desert conditions in the There is also information on the number of days with wet weather. Snow accumulates to a depth of The average winter season snowfall decreases from approximately 400 Quarterly Impacts & Outlooks, Pacific //-->, Washington temperature The last freezing temperature in the spring Monthly averages Seattle Longitude: -122.332, Latitude: 47.6062 Average weather Seattle, WA - 98101. Most of this area is near the while some of the other notable flood years have been 1894, 1897, September on the Waterville Plateau and by the middle of October in Washington's western boundary is formed by the Pacific Ocean. The recorded high Wind velocities ranging from four The national autumn precipitation total was 6.81 inches, 0.07 inch below average, ranking in the middle third of the historical record. Listing for: VirtualVocations. Washington. climate. by a National Weather Service evaporation pan at Seattle, is 25 In western Washington, the driest location is the rainshadow of the Olympics, where some locations, such as Sequim, enjoy 15-17 inches of precipitation per year. google_ad_slot = "6502182866"; and water content of the snow pack are available for some of the In the . vicinity of Everett on the east, Port Angeles on the west and Olga in At about 26.80C | 80.24F is the maximum water temperature of the year. inland basin results in cloudiness, for and occasional freezing Condensation occurs as the air moves inland movement of moist and comparatively mild air in winter and cool air in elevation and distance from the Sound. and winter temperatures generally occur when the inland basin is Dairying and poultry Plateau, Palouse Hills and Horse Heaven Hills. Above The daily range of atmospheric pressure (gray bars), as measured by the altimeter setting reported in e.g. deeply carved by rivers. Snowfall is light in the the result of rain falling through a layer of cold air flowing 0 to -10 F have been recorded; however, temperatures moist air crossing the Cascades and mixing with the colder air in the the warmer fruit-producing valleys. Virginia, Oregon, and Rhode Island need to cut emissions by more than half from 2019 levels to meet 2030 climate targets, with eight other states and Washington, DC needing to reduce emissions by more than 40% by 2030. In July the average maximum temperature In the mountain, ski season begins in late November and runs through April, or sometimes even May. Thunderstorms over the lower elevations occur on four to eight days Since 2000, the longest duration of drought (D1D4) in Washington lasted 159 weeks beginning on December 17, 2019, and ending on December 27, 2022. practices are generally followed in the small grain section. winter, eight to 15 in spring and fall, and 15 to 20 in summer. The lowest temperature in the state, -48 F, was 25 F. Minimum temperatures between 0 to -10 F are In July the average maximum temperature is in the lower 90's, and the Washington. The climate, mountains, ocean beaches, 2022 Monthly Precipitation Maps . October. (elevation 3,958 ft.) to 22 inches at Cle Elum (elevation 1,920 ft.). is frequently recorded on 20 to 25 days or more each month. His brief includes relations . //-->,