Washington Climate Map

The Washington Climate Map is suitable for educational study and reference needs shows geographic boundaries along with important regional locations, helpful for spatial understanding, planning, and reference purposes. To access it offline, you may download this Washington Climate Map using the Download Now button below.

Washington Climate Map

About Washington Climate Map

View above the climate map of Washington state showing all climate types exist all across the state of Washington, USA.


Climate Facts about Washington State

Region / Category Annual Average Temperature (°F) Annual Average Precipitation (inches) January Average High (°F) January Average Low (°F) July Average High (°F) July Average Low (°F) Record High Temperature (°F) Record Low Temperature (°F) Notable Features / Extremes
Washington State Overall47.14538–5026–3870–9050–60118 (Ice Harbor Dam, 1961)-48 (Winthrop, 1968)Diverse climates divided by Cascades; rain shadow effects
Western Washington General45–5540–100+41–4528–3270–7950–55103 (Seattle, 2021)0 (Seattle, 1950)Mild marine climate; frequent drizzle; Olympic rain shadow
Puget Sound Region5037 (Seattle)46367555108 (Seattle, 2021)0 (Seattle, 1950)150 rainy days annually; light drizzle common
Olympic Peninsula (Wet Side)45–5570–1504535705099 (Quinault, 1999)8 (Quinault, 1956)Heaviest U.S. precipitation; temperate rainforest
Olympic Rain Shadow (e.g., Sequim)5016–2447326850100 (Sequim, 2021)5 (Sequim, 1969)Sunniest area in western WA; lavender farms
Eastern Washington General45–557–2034–3820–2585–9555–60118 (Ice Harbor Dam, 1961)-48 (Winthrop, 1968)Semi-arid to continental; hot dry summers, cold winters
Columbia Basin / Central507–935259060117 (Hanford, 1961)-25 (Yakima, 1950)Irrigated agriculture; wind energy
Palouse Hills / Southeast4815–2534258555115 (Pullman, 1893)-30 (Pullman, 1968)Wheat production; rolling terrain
Northeast / Rockies Foothills4520–5032208550112 (Colville, 1929)-42 (Colville, 1968)Forest fires common; variable elevation
Cascade Mountains35–5060–10030–4020–3070–8045–5598 (Snoqualmie Pass, 2021)-25 (Stevens Pass, 1968)Heavy snowpack; ski resorts
Olympic Mountains30–45100–150+3525654595 (Mount Olympus, 2021)-10 (Hurricane Ridge, 1956)Wettest U.S. spot; glaciers
Statewide Wettest MonthNovember–January50% of annual precipAtmospheric rivers common
Statewide Driest MonthJuly–August<1.6 inches combinedDriest major U.S. city summers
Snowfall Averages6.3 inches (lowlands)Up to 500 inches (mountains)Variable by elevation
Recent RecordsWarmest Year: 2015Hottest/Driest Summer: 2017Warmest December: 20255th Wettest December: 2025
Climate Change Trends+2–3°F since 1900More rain, less snowSnowpack -30% by 2020sIncreased extremes

Washington's Climate

Wind carries salt air through cities, yet high peaks block much of it toward the mountains. Life unfolds differently because moisture drops unevenly across regions. In cities near shorelines, people walk streets where fog occasionally lifts. Farther inland, soil stays hard after sparse winter rains. By early 2026 numbers showed mixed patterns - daytime warmth stood near historic highs compared to earlier decades. Months like January reported temperatures higher than many before them, ranging up one to four degrees warmer than typical averages. Rainfall overall fell short of expected totals placing it among the drier months counted so far. Fog rolls through neighborhoods where people stumble on slick sidewalks. While city workers scrape ice from car wheels, others farther out check gray patches in fields for signs of drought. Rain drums against roofs in towns where fishing gear sits ready by back doors. Data pulled from reports by the University of Washington's Climate Office shows cooler seasons still feed both wild berries and weekend trails. Meanwhile, warmer stretches stretch resources thin across regions growing crops under shifting skies.

Overview of Climate Characteristics

Across Washington, a mix of ocean winds and land shape defines how warm it feels throughout the year - around 47.1°F on average. Where mountains rise, rain piles up; elsewhere, moisture fades into dry stretches just miles away. Coastal residents wake to gentle winters: daytime temperatures between 38 and 50 degrees, nighttime lows ranging from 26 to 38, making everyday life smooth and steady. When summer arrives, days heat up from 70 to 90 degrees, while cool nights settle between 50 and 60, creating space for long walks at tide pools or lively street events under bright skies. Extreme conditions show how unstable Washington's climate can be. Back in June 2021, Hanford hit 120 degrees Fahrenheit - one of its highest marks ever. Meanwhile, in January 1968, Winthrop dropped to -48 degrees Fahrenheit, a cold snap that left people scrambling for warmth. That episode made one thing clear: when temperatures swing like this, both heating and shielding against heat demand constant attention. With time, towns begin shifting how they respond. Better weather alerts play a role, lessening strain on daily life and medical systems. Even through wild shifts, the state keeps finding ways to turn changing skies into energy - not risk.

Regional Variations

Western Washington

Out here in western Washington, the landscape thrives under steady weather patterns - thick woods give way to busy town centers without much seasonal shock. Rain falls often, bringing life to everything from backyard gardens to urban parks, shaping how people live and work each day. Temperatures stay relatively calm throughout the year, hovering between 45 and 55 for most locations. Some spots near the coast catch more than 100 inches of rain every twelve months, especially during late fall and early spring when roads occasionally get flooded. Seattle stands out with over 37 inches yearly, sometimes seeing close to 150 consecutive soggy days between November and March. Even when winter drizzles dominate headlines, rest of the seasons stay moderate enough for kids’ sports or weekend hikes without sudden cold snaps. By early winter, daytime temperatures float between 41 and 45 degrees, while nighttime dips range from 28 to 32. Come midsummer, warmth takes hold - highs climb into the 70s and 80s, while overnight lows settle around 50 to 55. That steady shift means planning a hike or festival isn’t often derailed by sudden shifts in conditions. Over there, where it rains a lot, the ground gets between 70 and 150 inches every year. That kind of moisture builds thick forests - perfect spots for hiking and supporting nature. Just beyond that zone, closer to Sequim, less water reaches certain spots, so only 16 to 24 inches fall each season. This drier belt brightens skies, making it suitable for growing lavender plus housing older adults quietly among gentle hills. Weather notes show one day hit 103°F in Seattle back in 2021, yet just nine years earlier, frost dipped to -0°F overnight. When extreme shifts happen again, people lean on parks, smart roads, alert systems, because strength often hides in planning ahead.

Eastern Washington

Beyond the Cascades, eastern Washington stretches into dry, open landscapes - farmland endless, trails winding through wide skies. Here, long summers burn hot while winter bites cold, shaping lives with quiet strength. Daily temperatures typically sit between 45 and 55 degrees Fahrenheit, setting a steady pace across seasons. Rain falls lightly, anywhere from seven to twenty inches each year, shaping soil under wheat stalks in the Palouse region. Elsewhere, trees in the Columbia Basin swell with spring rains, responding to sparse winter skies. In cold months, January days usually reach the upper thirties during daylight hours but dip below twenty-five at night. Freezing gusts sometimes snap through then, leaving behind frost that lingers well into spring. When summer arrives, temperatures climb fast - reaching as high as eighty-five to ninety-five by midday. At night, the air cools only slightly, resting around fifty-five to sixty degrees under open windows. Under such extremes, those who work the land learn exacting ways to conserve every drop of rain and well water. Rainfall shifts across regions - the central Columbia Basin gets just 7 to 9 inches, making it ideal for crop irrigation. Down in the southeast Palouse, annual rainfall ranges from 15 to 25 inches, helping dryland wheat thrive. Higher up toward northeast corners, totals climb to between 20 and 50 inches, thanks to wooded hillside surroundings. At one extreme, a scorching 118 degrees was recorded at Ice Harbor Dam back in 1961. At the other end, temperatures dropped to -48 degrees in Winthrop during the same year. Such extremes push communities toward creative solutions. Take wind power in fast-breeding basins - it can spark job growth while supporting long-term environmental goals.

Mountainous Regions

High up in Washington, mountains like the Cascades and Olympics create cool spots where people live and come to enjoy rain and calm winters. Rain falls hard here - between sixty and one hundred inches every year, often turning to snow that piles higher than four hundred eighty inches. That kind of weather keeps lakes full and gives skiers something to drive for. Even in cold months, daytime temperatures usually sit near forty during January, dipping just below twenty at night. When summer arrives, days warm up into the seventies after early morning chill. Fog clings to peaks where winters spill more than 100 inches, sometimes over 150, across the Lower 48 - places such as the Hoh Rain Forest soak up heavy flows, including a rare 95°F heat wave on Mount Olympus in 2021, while colder pockets like Hurricane Ridge dipped to -10°F just in 1956. Running through these areas, frozen masses plus winter storage sites feed rivers far beyond view, meaning dry stretches now push communities toward hands-on efforts to guard what once felt endless.

Seasonal Patterns

Falling leaves show how weather wraps each year, shaping when crops ripen or kids head back to class - soft rains arrive early, then vanish during summer’s quiet stretch, guiding life across the state. From Seattle onward, most moisture lands between November and January, half the whole year's total, often delivered fast in long-distance weather streams called the Pineapple Express. These wet stretches drench lowlands while feeding snowpack at taller peaks above. Meanwhile, midsummer days - especially those in late July and early August - see almost no rainfall at all, leaving soil cracked and skies mostly clear for grilling, swimming, or long boat rides without clouds. Down below, yearly snowfall settles around 6.3 inches on average. Higher elevations report far more - sometimes over 500 inches when measured fully. This natural rhythm brings delight to those who ski during the cold months. At the same time, lakes and holding tanks fill up again once warmer seasons return. When homes are involved, the story shifts inside where warm lights glow through holiday weeks. Outside, days stretch long with warm air inviting long walks along green trails by late spring. Scientists noted unusual swings lately - like December dipping into record warmth that year in 2025. That kind of shift asks people to stay ready, not just for today but tomorrow too.

Extreme Weather and Records

Winds howl through streets when storms hit - sudden, wild. Back in 2021, Hanford felt heat climb past 120, a record burn that year's extreme wave left behind. At the edge of winter that same year, Winthrop dropped to minus forty-eight, cold so deep it pushed cities toward warmer shelters. Since then, warning systems hum louder now, alerting those most at risk before bodies strain. Cold snaps like that one before long carved paths through city planning after. Rain-soaked skies spill across roads more often these days, drenching towns where rivers weren’t expected until minutes ago. Heat waves crack pavement wide open later when smoke rolls across highways from distant flames leaping under dry air sucked northward months prior. Storm surges climb higher each time officials count damages piling beyond recognition since eighties began ticking forward slowly without pause. What keeps people going often shows up in shared efforts - out of hardship, connections grow, turning rough moments into tales of healing and togetherness.

Climate Change and Current Trends

Across Washington, warmer weather is changing how salmon migrate and when snowflakes even fall. Because temperatures rise, rivers get wetter yet mountains hold less snow each year. By the 2020s, that number could drop nearly one-third - a shift felt far beyond ski lifts. Communities are responding in quiet but powerful ways: new roofs tilt to catch rain, buses run on clean energy, gardens grow food without flood damage. Over the last century, average highs climbed by two to three degrees Fahrenheit. Rain now falls more frequently than steady drizzles of old; melting snow rarely builds up like it used to. February 2026 found water reserves across the state at just half their usual level - ranking near the bottom since records began around 1985 - with dry stretches covering most areas and critical shortages reported in almost one in four counties. Looking ahead, February might feel warmer across Oregon, while northern areas face slightly higher precipitation odds due to lingering La Niña effects that should fade by March. Because of this shift, residents in Washington can push harder for initiatives such as the Climate Commitment Act - even if it slightly misjudged pollution cuts - which supports efforts removing close to 308,000 tons of planet-warming gases, helping protect natural spaces they value so much.