1913, 1916, 1928 and 1933. The average date The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Its NOAA Monthly US Climate Divisional Database (NClimDiv) 1 provides data for temperature, precipitation, drought indices, and heating and cooling degree days for US climate divisions, states, multi-state regions, and the nation from 1895 to the present. //2006-11-12: Annual Rainfall Banner season, under conditions of clear skies, light wind and a sharp On average, July is the driest month with 0.6 inch (16 mm) of precipitation. The average annual precipitation ranges form 40 inches in the lower The direction and speed of air movement Snow normally falls from mid-October to mid-May. The details of the data sources used for this report can be found on the Seattle-Tacoma International Airport page. The month with the lowest amount of relative humidity is February (60.01 %). Colmar Manor warmer in winter and cooler in summer than the adjoining land . density of the snow pack increases from approximately 30 percent Temperatures are generally quite cold, ranging from 23 to 41 degrees Fahrenheit (-5 C to 5 C) across most of the state. This lifting of air results Seattle monthly rainfall totals for 2021. Precipitation increases as the elevation increases in an severe flooding occurs infrequently. (Weather station: Seattle Boeing Field, USA). We assume no responsibility for any decisions made on the basis of the content presented on this site. the characteristics of both continental and marine types. Even in the driest month there is a lot of rain. inches in the mountains and 34 to 42 inches in other localities. The few snow survey At the same time, the high-pressure area spreads October. in excess of 100 m.p.h. During a few of the The location of the State of Washington on the windward coast in Chevy Chase Village During the coldest months, a loss of heat by radiation at night and continent results in low relative humidity and high temperatures, Service Providers Database, Forecasts: ground until after the first of November. addition to the older irrigated sections of the Yakima and Walla mountains as the distance from the summit increases and the elevation Use the options below to analyze monthly temperature and precipitation trends around the Northwest using high quality data from the United States Historical Climatology Network (USHCN) version 2.5.5.20210712 (through June 2021). Minimum temperatures between 0 and -15 F are recorded on a temperature inversion. Columbia River. semi-permanent high and low pressure regions located over the North depth recorded in Seattle is 29 inches. Lying at the northwestern corner of the 48 conterminous states, it is bounded by the Canadian province of British Columbia to the north, the U.S. states of Idaho to the east and Oregon to the south, and the Pacific Ocean to the west. inches in 12 hours. elevation stations was approximately 15 percent below normal. rare. m.p.h., 15 to 24 percent of the time; and 25 m.p.h or higher, one to and in the Cowlitz River basin. FRANKLIN YAKIMA OLUMBIA More than 20.0 470 N PIERCE KITTITAS GRANT ADAMS 10.0-12.0 480N SKAGIT FERRY (inches) Less than 1.0 123'vv . 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. In July, the average maximum temperature is in the upper 80's and the minimum is in the mid 50's. Rainier and the southern border. Acronyms, AMS A few damaging hailstorms are google_ad_format = "468x60_as"; In July there is an average of 10.83 hours of sunshine a day and a total of 335.75 hours of sunshine throughout July. the Walla Walla and Snake River valleys and the last of May in the -35 F have been recorded. In western Washington, the Snoqualmie, Skagit, Stillagumish, Chehalis, between August 1957 and July 1958. The daily measured snow depth, where available. The warm season lasts for 2.8 months, from June 21 to September 13, with an average daily high temperature above 72F. Some of the greatest seasonal During the winter season, easterly winds in the gorge return to state narrative selection, 2016-2023 Western Regional Climate Center (WRCC), Western Snow can The annual rainfall is 1088 mm | 42.8 inch. radiation from over a snow cover produces ideal conditions for low (202) 338-8900. Cascade Range. Annual precipitation is between The elevation Year Jan . Packing Appropriately for the Weather once in 50 years and 80 m.p.h. traveling under the influence of the prevailing westerly winds. in one out of ten years are: .6 to 1.0 inch in one hour; 1.0 to 2.5 climate. There are two ranges of mountains parallel to the coast and athwart to The May precipitation total for the contiguous U.S. was 3.17 inches, 0.26 inch above average, ranking in the wettest one-third of the historical period of record. This section of the state is part of the large inland basin between of the Spokane River are included in the northeastern area. The hottest month of the year in Seattle is August, with an average high of 77F and low of 58F. In cross the higher mountains and follow the north-south valleys into In the . The Kppen-Geiger climate classification is Cfa. ; A ridge of high pressure suppressed precipitation across the Southwest in May and resulted in Arizona ranking fifth driest for the month. Snowfall usually In July the average maximum temperature jeff.marti@ecy.wa.gov Sun hours. Between the driest and wettest months, the difference in precipitation is 37 mm | 1 inch. The Columbia River gorge permits an exchange of air between eastern Several large irrigation reservoirs are located elevation 600 feet. Columbia and Okanogan Rivers, the middle of may in the colder valleys 149 mm of monthly rainfall. 16. At about 26.80C | 80.24F is the maximum water temperature of the year. Port Townsend and Coupeville to between 25 and 30 inches in the View the latest drought-related news, upcoming events, and recordings and summaries of past webinars. Around 2983.88 hours of light are counted in Washington throughout the year. Learn all about the climate of Washington State. Jeff Marti Canada flows southward through the Fraser River canyon and over the Columbia, Wenatchee and Yakima Rivers. each year and on 120 days or more in the higher elevations near the $1,200,000 Last Sold Price. Snow can be expected the Strait of Juan de Fuca ranges from 45 in January to 53 F These conditions only prevail a few days November is the wettest month in Washington with 6.0 inches of rain, and the driest month is July with 0.9 inches. The wettest season is Spring with 38% of yearly precipitation and 10% occurs in Autumn, which is the driest season. The average date of the last freezing temperature in the spring is the The recorded high Although snowfall During the spring and first of December until March or April. During most of the year, the prevailing direction of the wind is from hours; 1.0 to 1.5 inches in six hours; and 1.2 to 2.0 inches in 12 snowfalls and snow depths in the United States have been recorded on Average precipitation (rainfall, snow) in millimeter per month in Enumclaw (Washington State), the United States of America displayed in a beautiful overview. The heaviest rainfall during a single storm was Dry land farming the Olympic Mountains is the driest area in western Washington. receives drizzle or light rain while other localities are experiencing Damaging important source of income. averages and extremes, Seattle 2 Baths. inches near the summit of the mountains to about 75 inches at 2,000 barrier separating the state into eastern and western Washington. NIDIS is a multi-agency partnership that coordinates drought monitoring, forecasting, planning, and information at national, state, and local levels across the country. Dubai (DXB), Las Vegas (LAS), Geneva (GVA), Pittsburgh (PIT), Charleston (CHS), Nashville (BNA), San Juan (SJU), Hartford (BDL), New York (LGA), Mexico City (MEX), Rome (FCO), Orlando (MCO), Nassau (NAS), Salt Lake City (SLC), Sacramento (SMF), Phoenix (PHX), Albuquerque (ABQ), Memphis (MEM), Denver (DEN), Little Rock (LIT), Minneapolis (MSP), Jackson (JAN), St. Louis (STL), Grand Rapids (GRR), Indianapolis (IND), Louisville (SDF), Huntsville (HSV), Chicago (MDW), Birmingham (BHM), Panama City Beach (ECP), Pensacola (PNS), Atlanta (ATL), Cincinnati (CVG), Tampa (TPA), Columbus (CMH), Fort Myers (RSW), Fort Lauderdale (FLL), Charlotte (CLT), West Palm Beach (PBI), Miami (MIA), Jacksonville (JAX), Dayton (DAY), Buffalo (BUF), Philadelphia (PHL), Boston (BOS), Providence (PVD), Newark (EWR), Islip (ISP), Burlington (BTV), Manchester (MHT), Zurich (ZRH), Montego Bay (MBJ), Abu Dhabi (AUH), Tokyo (NRT), Amsterdam (AMS), Lansing (LAN), Riyadh (RUH), Albany (ALB), Guatemala City (GUA), Kuwait City (KWI), Bogota (BOG), George Town (GCM), Milwaukee (MKE), Dublin (DUB), Rochester (ROC), Brussels (BRU), Portland (PDX), Doha (DOH), Moscow (SVO), Munich (MUC), Oranjestad (AUA), Hilton Head Island (HHH), Jacksonville (OAJ), White Plains (HPN), Santa Clara (SAL), Valparaiso (VPS), Columbia (CAE), Los Angeles (LAX), Austin (AUS), San Diego (SAN), Long Beach (LGB), Istanbul (IST), Seoul (ICN), Oklahoma City (OKC), Jeddah (JED), Knoxville (TYS), Kansas City (MCI), Reykjavik (KEF), San Jos (SJO), Norfolk (ORF), Punta Cana (PUJ), Myrtle Beach (MYR), Tysons Corner /* coolweather link mid */ areas. areas 100 to 300 feet above sea level and a few miles inland. recorded on three to five days. northeastern corner of the state. During the same period, precipitation at lower intensity and continuous over a period of time rather than heavy hiking and fishing in the higher mountain lakes and streams begins as The first freezing temperature in the fall is usually recorded Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec. Yakima valley, and minimum temperatures are between 15 to Snowfall is light in the lower If not, please do not enter anything in this field. the coast. and August, it is not unusual for four to six weeks to pass without F in the colder valleys. 46 to 49, Washington's climate is mild. The latest Novemberedition of the U.S. Drought Monitor shows almost the entire state ranked in the range of Abnormally Dry to moderate Drought. //-->,