Bellingham weather in August 2025

Expect 72°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Bellingham in August. Check more long-term weather averages for Bellingham in August before you book your next holiday to Washington State in 2025/2026.

  • 72°F maximum daytime temperature in August in Bellingham72
    72°F max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in August in Bellingham8
    8 days with some rainfall
  • 52°F minimum night-time temperature in August in Bellingham52
    52°F min night temperature
  • 14 hours of daylight per day in August in Bellingham14
    14 hours of daylight per day
  • No heat & humidity in August in Bellingham0
    No heat & humidity
  • 1.7 inches monthly rainfall in August in Bellingham1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 6 (High) in August in Bellingham6
    6 (High) UV index
  • 55°F sea temperature in August in Bellingham55
    55°F sea temperature

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The August weather guide for Washington State (Bellingham) 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)  |  Imperial (°F)

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More about the USA

How hot is it in Bellingham in August?

Daytime temperatures usually reach 72°F in Bellingham in August, falling to 52°F at night.

How sunny is it in Bellingham in August?

There are normally 8 hours of bright sunshine each day in Bellingham in August - that's 57% of daylight hours.

How warm is the sea around Bellingham in August?

The average sea temperature around Bellingham in August is 55°F.

Does it rain in Bellingham in August?

There are usually 8 days with some rain in Bellingham in August and the average monthly rainfall is 1.7 inches.

Bellingham August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:44 19:47
Saturday, 16th August 2025 05:05 19:22
Sunday, 31st August 2025 05:26 18:53

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