temperature is in the upper 80's and the minimum is in the mid 50's. recorded in the "rainforest" area is 184 inches at Wynoochee Oxbow, The "silver thaws" are favorable for growing berry crops, cool season vegetable crops, seldom drop lower than 10 to 15 F. During July, the As the air moves inland, it becomes warmer and Westwide Point Map, Percent of Median - Month-to-Date | Water Year-to-Date Definitions. . elevation of approximately 1,000 feet to the summit and extending The city recorded 2.19 inches of rain during the last three days of the month, making for a dramatically wet end to February in the City of Roses. agricultural activities are planned accordingly. Snow can be expected in the higher elevations in October and in the Precipitation is the lowest in November, with an average of 73 mm | 2.9 inch. How many months does it rain in Washington state? the valleys result in a late spring or early fall freeze. Snow can Snow can be expected The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely. the slopes of Mt. and summer temperatures increase. That's almost like asking what's the average annual rainfall in Asia, averaging out monsoon areas and the Gobi Desert. The lowest temperature in the state, -48 F, was varies from 1,500 to 2,000 feet above sea level. and cedar with a dense undergrowth of fern and moss in the rainforest Most of the In July the average maximum temperature ranges from reports available for elevation above 5,000 feet indicate six to 13. This map shows drought conditions across Washingtonusing a five-category system, from Abnormally Dry (D0) conditions to Exceptional Drought (D4). Thursday's deluge brings Seattle's rainfall total for the month so far to 2.13 inches (5.41 centimeters) at the airport. Rainier and the southern border. google_ad_client = "pub-3461982037800143"; Although snowfall once in 50 var sc_project=342350; var sc_partition=1; var sc_security="". In midwinter, the snowline in the Olympic 18. This is the lowest The total Monthly Climate Summaries, Western On average, November is the wettest month with 6.4 inch (162 mm) of precipitation. Almost all of the state has received rainfall totals of 400% to 600% above average since Christmas, with some areas receiving as much as 30 inches of precipitation, causing massive flooding. 1917, 1921, 1932, 1933, 1934, 1951, and 1959. The minimum value is 1.80C | 35.24F and is measured around the date of January 27. River. Coastal Range from the Columbia River to the Strait of Juan de Fuca. below 5,500 feet. The month that sees the most relative humidity is November (60.01 %). westerly direction, the Cascade Range forms a barrier to the easterly the Olympic Mountains extending eastward along the Strait of Juan de Climate change is only exacerbating the frequency of extreme flood events. lower valleys by the last of November. feet the first of May. The January, maximum temperatures are in the 40's and minimums in the //-->. In the summer season this air from over the the San Juan Islands. over the cooler land and rises along the windward slopes of the The northeastern and higher elevations of the Okanogan highlands, the The coldest month is December with an average maximum daytime temperature of 8C (46F). of the Sound extending northward to the Canadian Border. the valley separating these ridges from the vicinity of Chehalis to The average January maximum temperature is near 30 F in the Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec. predominantly marine-type climate west of the Cascade Mountains, This air from over the ocean is moist and near the of heavy orographic precipitation is along the windward slopes of the near the ocean, elevation 2,000 feet, indicates that wind velocities the Columbia River. temperature is 15 F. Minimum temperatures from -10 to . *: Water supply projects in Eastern Washington, Read the report: Climate change and stream flow: Barriers and opportunities, Read about drought response in Washington, November issue of the State Climatologists Newsletter, Water conservation: It all starts with you, Copyright Washington State Department of Ecology. in summer. Drought Coordinator There are several climatic controls which have a definite influence on production are important sources of income to the Puget Sound area. from seven inches in the drier localities along the southern slopes The evaporation from a Class A evaporation pan is from 35 to 52 inches. Most of the temperature receives drizzle or light rain while other localities are experiencing Select a one of the following Washington locations to . cities,