Seattle weather in June 2025

Expect 21°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Seattle in June. Check more long-term weather averages for Seattle in June before you book your next holiday to Washington State in 2025/2026.

  • 21°C maximum daytime temperature in June in Seattle21
    21°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in June in Seattle9
    9 days with some rainfall
  • 11°C minimum night-time temperature in June in Seattle11
    11°C min night temperature
  • 16 hours of daylight per day in June in Seattle16
    16 hours of daylight per day
  • No heat & humidity in June in Seattle0
    No heat & humidity
  • 41 mm monthly rainfall in June in Seattle41
    41 mm of monthly rainfall
  • UV (maximum) index 7 (High) in June in Seattle7
    7 (High) UV index

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The June weather guide for Washington State (Seattle) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Seattle in June?

Daytime temperatures usually reach 21°C in Seattle in June, falling to 11°C at night.

How sunny is it in Seattle in June?

There are normally 9 hours of bright sunshine each day in Seattle in June - that's 55% of daylight hours.

Does it rain in Seattle in June?

There are usually 9 days with some rain in Seattle in June and the average monthly rainfall is 41mm.

Seattle June sunrise & sunset times

Browse the sunrise and sunset times for Seattle in June 2025. Select a month to view Seattle sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:15 20:00
Sunday, 15th June 2025 04:11 20:09
Monday, 30th June 2025 04:15 20:11

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