Clima en Seattle en agosto

Seattle en agosto: cálido, seco, con aire limpio — uno de los mejores meses para ir.

Actualizado: septiembre de 2026 · normales climáticas del reanálisis ERA5

Seattle🇺🇸 Estados Unidos · Noroeste del Pacífico · Ciudad95
  1. 52Ene
  2. 58Feb
  3. 67Mar
  4. 77Abr
  5. 85May
  6. 92Jun
  7. 97Jul
  8. 95Ago
  9. 89Sep
  10. 72Oct
  11. 57Nov
  12. 49Dic

n.º 2 de 12 meses en Seattle · n.º 22 de 1413 destinos para visitar en agosto · confort 95/100 (nivel S)

Días
25°C
Noches
15°C
Días de lluvia
2
Sol
11.4 h
Humedad
67%
Horas de luz
14 h
Seattle, Estados Unidos
Foto: Stephen Leonardi · Pexels

Notas de viajeros sobre Seattle en agosto

Seattle-forum threads on August are almost giddy about the weather - this and the two months around it are the reliably dry, sunny stretch of the year, with posters calling a soggy day genuinely rare and temperatures running warm without the humidity that makes other cities miserable in summer. The one recurring caveat has nothing to do with rainfall: more than one thread flags wildfire smoke as the real risk, a haze that can roll in and ruin an otherwise perfect week with no warning. Cruise-ship crowds pack Pike Place Market and the Space Needle on port days. The record backs the dry read completely: 25.2C days, 14.7C nights, just 12mm total across 1.6 days, 11.4 hours of sun and an AQI of 44 - though that AQI can spike hard on a bad smoke day, which the average doesn't show.
PikePlaceAugustRegular · agosto · hace 3 días · Leer más en Tripadvisor ↗

Otros meses en Seattle

Regulars describe this as the most variable month of the year here, unlike the more settled fall and winter, with two genuinely distinct outcomes possible on any given day - sunny and into the low 70s Fahrenheit, or overcast with highs stuck in the upper 50s to low 60s. Our row backs the mild, changeable average across that range, 19.1C over 9.5C nights, with 34mm of rain across 5.3 days. Regulars are consistent this is still a genuinely good time to visit, flowers in full bloom and springlike energy throughout the city, with layering the standard advice given how unpredictable a specific day can turn out. The record: humidity 74 percent, 10.8 hours of sun, a 12.6 kph wind and AQI 44.
SeventiesAndSunnyOrSixtiesAndOvercast · mayo · hace 3 días · Leer más en Tripadvisor ↗
Regulars call this one of the city's best-looking months on paper, and are specific about why: the rains that define this region typically hold off until mid-October, and the first week of the month is often the driest and warmest stretch, with the back half cooling off a little as it goes. Our row backs the shift, 21.4C over 12.3C nights, with 35.5mm of rain across 5.6 days - a real total, but light next to what regulars describe arriving a month later. Evenings call for a light jacket or sweatshirt once the sun goes down. The one caveat some years bring is wildfire smoke drifting in from regional fires, not present every September but enough that regulars mention checking air quality before a trip built around outdoor views. The record: 9.5 hours of sun, a 12.3 kph wind and AQI 40.
FirstWeekDriestSecondHalfCooler · septiembre · hace 3 días · Leer más en Tripadvisor ↗
Juneuary is the local word for the version of this month that feels like January, and the local claim is that summer does not start until the 5th of July - the same joke the Portland board tells, two hundred kilometres south. The instruction that follows is precise: the 30th of June is a different month from the 1st, so come at the end. Our row is kinder than the nickname. Rain is 29.5mm across 5.1 days, and there are 11.6 hours of sun inside 15.9 of daylight, so the grey is brief showers between sun breaks rather than a ceiling. What June lacks is warmth - 21.6C by day, 12C at night. The record: humidity 71 percent, a 12.5 kph wind and AQI 39.
JuneuaryOrNot · junio · hace 3 días · Leer más en Tripadvisor ↗
Seattle forum threads describe February as genuinely mixed - some stretches bring drizzly, overcast, grey days typical of the region's wet season (which runs roughly mid-October through April), while other years bring a welcome week or so of milder, lighter-sun weather that winter-weary locals specifically look forward to. Snow chances were described as relatively low by this point in winter, with January and early February the more likely window for any accumulation. One consistent tip from posters familiar with the wider region: the northern Olympic Peninsula tends to run drier and sunnier than Seattle proper in February, a worthwhile alternative for anyone chasing better odds of sun.
PugetSoundRegular · febrero · hace 5 días · Leer más en Tripadvisor ↗

Las notas de todo el año están en la página general de Seattle. Añade tu propia nota desde la ficha de Seattle en el mapa.

Normales climáticas de Seattle — agosto

Máxima diurna25°C / 77°F🌤 cálido
Mínima nocturna15°C / 58°F
Sensación térmica (máxima)25°C / 77°F
Precipitación12 mm / 0.5 in☀️ seco
Días de lluvia2 días
Humedad67 %💧 húmedo
Punto de rocío12°C / 53°F
Sol11.4 h/día
Horas de luz14.2 h
Viento12 km/h / 7 mph
Calidad del aire (US AQI)44🍃 bueno

Medias mensuales del reanálisis ERA5. El AQI es el índice de calidad del aire de EE. UU. (US AQI) medio del mes.

Afluencia en Seattle en agosto

Cuánta gente hay en el propio lugar: vacaciones escolares y masivas, los meses que marcó el editor y cuánto atrae su clima. Nunca cuenta en la puntuación de confort.

Máxima afluenciaMount Rainier wildflowers, Seafair, Summer break en Estados Unidos(estimado)

EFMAMJJASOND

Máxima afluenciaConcurridoTemporada mediaTranquilo

Los mejores meses para el clima de Seattle

Ordenados según la propia puntuación de confort climático de este destino a lo largo del año, algo distinto de cuánta gente hay (consulta Afluencia, más arriba).

Mejor climaEl clima de Seattle alcanza su mejor momento de junio a agosto, sobre todo hacia julio.

agosto incluye Salmon at the Ballard Locks.

EFMAMJJASOND

Mejor climaClima aceptableClima más duro

Qué hay en Seattle en agosto

Eventos de temporada recurrentes, espectáculos naturales, cierres y festivos, seleccionados y con fuente.

  • Naturaleza

    Salmon at the Ballard Locks

    15 Jun – 20 Sep · normalmenteTemporada de fauna

    Sockeye run through the fish ladder in early summer, chinook and coho into September, and the viewing windows below the locks are free and busy. Numbers vary wildly year to year. Fuente ↗

  • Temporada

    The dry months

    5 Jul – 15 Sep · normalmenteTemporada seca

    The rain effectively stops after the Fourth of July and holds off until well into September. Everything outdoors in this city is scheduled around those ten weeks.

  • Naturaleza

    Mount Rainier wildflowers

    15 Jul – 20 Ago · normalmenteFlores silvestresMucha gente

    Paradise and Sunrise flower for about a month once the snowpack finally clears, usually from mid-July. Timed entry applies to the park in summer and the meadows are strictly stay-on-the-path.

  • Festival

    Seafair

    28 Jul – 9 Ago · normalmenteFin de semana de motorMucha genteCierres

    Hydroplane racing on Lake Washington and the Blue Angels overhead on the first weekend of August. The I-90 bridge closes for the air show and the whole east side plans around it. Fuente ↗

  • Riesgo

    Wildfire smoke

    1 Ago – 20 Sep · normalmenteTemporada de humo

    Late summer smoke from fires in eastern Washington, Oregon or British Columbia settles into the basin and can hold for days. It is the one thing that spoils the best weather of the year here. Fuente ↗

Qué hay en el mundo en agosto →

Cerca, y con algo en marcha

A menos de 300 km de Seattle —una excursión de un día o un trayecto corto— y con algo en marcha este mes. Nunca cuenta en la puntuación de confort.

¿Dónde está Seattle?

Cargando el mapa…

Seattle en agosto — preguntas frecuentes

¿Es agosto un buen momento para visitar Seattle?
Seattle en agosto: cálido, seco, con aire limpio — uno de los mejores meses para ir. Es el mes n.º 2 de 12 en Seattle según la puntuación de confort de SeasonMap (95/100).
¿Qué tiempo hace en Seattle en agosto?
En agosto, Seattle tiene una máxima media diaria de 25.2°C y una mínima de 14.7°C, con unos 11.5 mm de lluvia repartidos en unos 1.6 días de lluvia.
¿Cómo es la calidad del aire en Seattle en agosto?
En agosto, Seattle tiene un índice de calidad del aire (US AQI) medio de unos 44.

A menos de 300 km: Subalpine wildflowers en Olympic National Park, hacia 20 Jun – 10 Ago y Whale watching season en Victoria, BC, hacia 1 May – 15 Oct.

Clima en Seattle en agosto: 25°C, 2 días de lluvia, 11 h de sol | SeasonMap